You searched for subject:(Phylogeny)
.
Showing records 1 – 30 of
1982 total matches.
◁ [1] [2] [3] [4] [5] … [67] ▶
1.
Hancock, Lillian Pine.
Untangling the evolution of CAM photosynthesis within
Australian Calandrinia (Montiaceae).
Degree: Ecological and Evolutionary Biology, 2018, Brown University
URL: https://repository.library.brown.edu/studio/item/bdr:792651/
► Most important organismal adaptations are not actually single traits, but complex trait syndromes that are evolutionarily integrated into a single emergent phenotype. In plants, crassulacean…
(more)
▼ Most important organismal adaptations are not actually
single traits, but complex trait syndromes that are evolutionarily
integrated into a single emergent phenotype. In plants,
crassulacean acid metabolism (CAM) is a complex trait that improves
water use and photosynthetic efficiency under drought and
temperature stress. Though CAM is an important and ubiquitous
ecological adaptation, having evolved hundreds of times from the
more common C3 photosynthetic pathway, we still know very little
about its evolutionary assembly. In addition to fully expressed
constitutive CAM, there are other well-known phenotypes that
perform small amounts of CAM in an otherwise C3 background (i.e.
C3-CAM intermediates). Untangling the evolution of CAM requires
piecing together the genetic, biochemical, anatomical,
physiological, and ecological aspects of this trait and
reconstructing the evolutionary order of its assembly. In this
study we characterize most of these properties associated with CAM
evolution across Australian Calandrinia and species representatives
from the Montiaceae and wider sub-order, Portulacineae. We use a
targeted gene capture approach to sequence hundreds of loci across
Australian Calandrinia (~70 species) and Montiaceae, resulting in
the first and complete
phylogeny for the lineage. We estimate the
divergence of Australian Calandrinia from its sister lineage to ~
30 Ma, concurrent with separation of Australia from Antarctica, and
show that although the lineage radiated across inland Australia
during the mid-Miocene, coincident with the initial onset of
aridity, diversification slowed dramatically with the establishment
of severe aridity. Through robust phylogenetic and phenotypic
analyses we demonstrate that C3-CAM phenotypes are anatomically
intermediates between C3 and full CAM, and that the evolution of
CAM biochemistry precedes the evolution of full CAM morphological
and anatomical traits. Given the number of C3-CAM reversals
detected within Australia Calandrinia and the Montiaceae, we
propose a model of CAM evolution that allows for lability and
reversibility among C3-CAM phenotypes and C3 photosynthesis, and
where C3-CAM evolves prior to the realization of full CAM. Finally,
we hypothesize that once a species evolves full CAM, with the
associated anatomical changes such as extreme succulence, large
cells, and little intercellular airspace, reversibility back to C3
or C3-CAM photosynthesis may no longer be evolutionarily
accessible.
Advisors/Committee Members: Edwards, Erika (Advisor), Kellner, James (Reader), Weinwreich, Daniel (Reader), Holstum, Joseph (Reader).
Subjects/Keywords: Phylogeny
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Hancock, L. P. (2018). Untangling the evolution of CAM photosynthesis within
Australian Calandrinia (Montiaceae). (Thesis). Brown University. Retrieved from https://repository.library.brown.edu/studio/item/bdr:792651/
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Hancock, Lillian Pine. “Untangling the evolution of CAM photosynthesis within
Australian Calandrinia (Montiaceae).” 2018. Thesis, Brown University. Accessed April 10, 2021.
https://repository.library.brown.edu/studio/item/bdr:792651/.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Hancock, Lillian Pine. “Untangling the evolution of CAM photosynthesis within
Australian Calandrinia (Montiaceae).” 2018. Web. 10 Apr 2021.
Vancouver:
Hancock LP. Untangling the evolution of CAM photosynthesis within
Australian Calandrinia (Montiaceae). [Internet] [Thesis]. Brown University; 2018. [cited 2021 Apr 10].
Available from: https://repository.library.brown.edu/studio/item/bdr:792651/.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Hancock LP. Untangling the evolution of CAM photosynthesis within
Australian Calandrinia (Montiaceae). [Thesis]. Brown University; 2018. Available from: https://repository.library.brown.edu/studio/item/bdr:792651/
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Oregon State University
2.
Willyard, Ann Nachreiner.
New perspectives on evolutionary relationships within Pinus (Pinaceae) and within subsection Ponderosae (subgenus Pinus).
Degree: PhD, Botany and Plant Pathology, 2007, Oregon State University
URL: http://hdl.handle.net/1957/5520
► A fossil-calibrated phylogenetic framework based on exemplars from each of the four taxonomic sections within Pinus was created using multiple nuclear and chloroplast loci. Calibration…
(more)
▼ A fossil-calibrated phylogenetic framework based on exemplars from each of the four taxonomic sections within Pinus was created using multiple nuclear and chloroplast loci. Calibration at the well-defined subgeneric split within Pinus with either fossil leaves and cones (ca. 45 million years ago) or fossil wood (ca. 85 million years ago) provides a reasonable starting point. Despite a wide difference in rates between loci, this work infers a moderate tempo of mutation rate in Pinus, and concludes that the within-locus rate variation and the leaves vs. wood question are both minor factors in comparison to the enormous effects of incorrect fossil/node association.
Next, I used full taxonomic sampling with multiple individuals per species and two nuclear loci to create independent phylogenies for 18 species in subsection Ponderosae (Section Trifoliae, subgenus Pinus). I estimate that some species have enormous effective population sizes (> 105 individuals). This factor and an inferred origin 15 million years ago contribute to the lack of species-level coalescence and the incongruence between Ponderosae gene trees. Pinus jeffreyi is allied with Sabinianae, as proposed from terpene biochemistry. I observed one instance where reticulate evolution is likely. Pinus coulteri accessions resolve with Sabinianae at one locus, but in a monophyletic clade sister to other Ponderosae at the other locus, suggesting that this species originated as a diploid hybrid. Similar incongruence between loci for accessions of the P. ponderosa/P. washoensis complex could also be the result of introgression.
Using this phylogenetic framework, I focused on three sympatric Ponderosae (P. washoensis, P. ponderosa, and P. jeffreyi) to evaluate the genetic distinctiveness and specific status of P. washoensis. Population-level sampling with faster-evolving nuclear microsatellite loci reveals a clear divergence between P. jeffreyi and the P. ponderosa/P. washoensis complex. Using allele frequencies, I observed a weak cluster of traditional P. washoensis with high-elevation putative P. washoensis populations from Oregon, but other methods show no differentiation between P. ponderosa and P. washoensis. Nuclear admixture and chloroplast haplotype analysis suggest a low level of introgression between P. jeffreyi and P. ponderosa/P. washoensis, providing an important source of migrants into the genetic milieu of these species.
Advisors/Committee Members: Liston, Aaron I. (advisor), Spatafora, Joseph (committee member).
Subjects/Keywords: phylogeny; Pine – Phylogeny
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Willyard, A. N. (2007). New perspectives on evolutionary relationships within Pinus (Pinaceae) and within subsection Ponderosae (subgenus Pinus). (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/5520
Chicago Manual of Style (16th Edition):
Willyard, Ann Nachreiner. “New perspectives on evolutionary relationships within Pinus (Pinaceae) and within subsection Ponderosae (subgenus Pinus).” 2007. Doctoral Dissertation, Oregon State University. Accessed April 10, 2021.
http://hdl.handle.net/1957/5520.
MLA Handbook (7th Edition):
Willyard, Ann Nachreiner. “New perspectives on evolutionary relationships within Pinus (Pinaceae) and within subsection Ponderosae (subgenus Pinus).” 2007. Web. 10 Apr 2021.
Vancouver:
Willyard AN. New perspectives on evolutionary relationships within Pinus (Pinaceae) and within subsection Ponderosae (subgenus Pinus). [Internet] [Doctoral dissertation]. Oregon State University; 2007. [cited 2021 Apr 10].
Available from: http://hdl.handle.net/1957/5520.
Council of Science Editors:
Willyard AN. New perspectives on evolutionary relationships within Pinus (Pinaceae) and within subsection Ponderosae (subgenus Pinus). [Doctoral Dissertation]. Oregon State University; 2007. Available from: http://hdl.handle.net/1957/5520

University of Johannesburg
3.
Naude, Paul.
Phylogenetic analysis of Vitaceae based on plastid sequence data.
Degree: 2012, University of Johannesburg
URL: http://hdl.handle.net/10210/6288
► M.Sc.
Five plastid regions as source for phylogenetic information were used to investigate the relationships among ten genera of Vitaceae. These comprised the tmL intron,…
(more)
▼ M.Sc.
Five plastid regions as source for phylogenetic information were used to investigate the relationships among ten genera of Vitaceae. These comprised the tmL intron, trnL-F intergenic spacer, rpL16 intron, rbcL gene and accDpsa/ spacer. Congruent results were obtained between separate, combined and Bayesian analysis with all four major clades being shared among trees. All bootstrap consensus trees obtained from single sequences or combined analysis suggest that Vitaceae is a monophyletic group with Leea weakly supported as sister to Vitaceae. The results presented provide novel insights into the relationships within ten Vitaceae genera and suggest direction for further studies.
Subjects/Keywords: Plants - Phylogeny - Research.; Vitaceae - Phylogeny - Research.
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Naude, P. (2012). Phylogenetic analysis of Vitaceae based on plastid sequence data. (Thesis). University of Johannesburg. Retrieved from http://hdl.handle.net/10210/6288
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Naude, Paul. “Phylogenetic analysis of Vitaceae based on plastid sequence data.” 2012. Thesis, University of Johannesburg. Accessed April 10, 2021.
http://hdl.handle.net/10210/6288.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Naude, Paul. “Phylogenetic analysis of Vitaceae based on plastid sequence data.” 2012. Web. 10 Apr 2021.
Vancouver:
Naude P. Phylogenetic analysis of Vitaceae based on plastid sequence data. [Internet] [Thesis]. University of Johannesburg; 2012. [cited 2021 Apr 10].
Available from: http://hdl.handle.net/10210/6288.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Naude P. Phylogenetic analysis of Vitaceae based on plastid sequence data. [Thesis]. University of Johannesburg; 2012. Available from: http://hdl.handle.net/10210/6288
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Victoria University of Wellington
4.
Martin, Peter.
Phylogeny, Phylogeography and Population Connectivity of Lessonia (Phaeophyceae).
Degree: 2011, Victoria University of Wellington
URL: http://hdl.handle.net/10063/1665
► The brown algal genus Lessonia is distributed in the Southern Hemisphere where it can form dominant kelp beds on the exposed rocky shores of New…
(more)
▼ The brown algal genus Lessonia is distributed in the Southern Hemisphere where it can form dominant kelp beds on the exposed rocky shores of New Zealand, South America and Tasmania. Its disjunct distribution within the West Wind Drift contrasts with the view that it is a poor disperser. Apart from studies in Chile, where it is an economically important genus, little is known about Lessonia and in some areas even the number of species is unknown. Using different genetic markers I examined the
phylogeny, phylogeography, and the connectivity of populations in Lessonia. Using the literature, species affiliations and nomenclatural problems have been investigated. Combining the sequences of three mitochondrial, one chloroplast and two nuclear markers, a supermatrix approach was used to investigate the phylogenetic relationship and the timing of speciation for all known Lessonia species. The Australasian Lessonia species form a clade within a paraphyletic grouping of South American species. Radiation in Lessonia occurred about 5 Mya at the beginning of the Pliocene and rapid radiation took place in Australasia 3.5 Mya. The data also revealed cryptic species within a L. variegata species complex. Further analysis within the Australasian clade, using mitochondrial (atp8-sp) and chloroplast (rbc-sp) markers and wider sampling (469 individuals from 57 sample sites) supported four cryptic species and revealed localized distribution for all Australasian lineages. Genetic breaks between Lessonia lineages corresponded well to known biogeographic regions and could be correlated to the geographic structure of New Zealand at the end of the Pliocene. The Cook Strait region was analysed more closely with newly developed microsatellite markers to test the influence of geographic breaks (Cook Strait and Palliser Bay) on the connectivity of populations.
The results suggested that connectivity depends on the width of unsuitable habitat, and within inner Cook Strait it is facilitated by sometimes strong tidal flows that create turbulences and unique current patterns. The results implied that rafting is an important mean of dispersal. The study of the early literature on Lessonia supported the new lectotypification of L. flavicans but revealed that L. frutescens and possibly L. ovata (supported by images of rediscovered herbarium material) are synonymous to L. searlesiana and as the older epithets they should have priority. Suggestions have been made for the lectotypification of L. fuscescens and L. ovata. In general Lessonia shows non-overlapping distribution in Australasia but overlapping distribution in South America. Despite being a poor disperser, indicated by fine scale genetic structure, Lessonia is also able to connect populations over wide areas of unsuitable habitats.
Advisors/Committee Members: Zuccarello, Joe.
Subjects/Keywords: Lessonia; Phylogeny; Phylogeography
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Martin, P. (2011). Phylogeny, Phylogeography and Population Connectivity of Lessonia (Phaeophyceae). (Doctoral Dissertation). Victoria University of Wellington. Retrieved from http://hdl.handle.net/10063/1665
Chicago Manual of Style (16th Edition):
Martin, Peter. “Phylogeny, Phylogeography and Population Connectivity of Lessonia (Phaeophyceae).” 2011. Doctoral Dissertation, Victoria University of Wellington. Accessed April 10, 2021.
http://hdl.handle.net/10063/1665.
MLA Handbook (7th Edition):
Martin, Peter. “Phylogeny, Phylogeography and Population Connectivity of Lessonia (Phaeophyceae).” 2011. Web. 10 Apr 2021.
Vancouver:
Martin P. Phylogeny, Phylogeography and Population Connectivity of Lessonia (Phaeophyceae). [Internet] [Doctoral dissertation]. Victoria University of Wellington; 2011. [cited 2021 Apr 10].
Available from: http://hdl.handle.net/10063/1665.
Council of Science Editors:
Martin P. Phylogeny, Phylogeography and Population Connectivity of Lessonia (Phaeophyceae). [Doctoral Dissertation]. Victoria University of Wellington; 2011. Available from: http://hdl.handle.net/10063/1665

University of Wisconsin – La Cross
5.
Foltz, Matthew J.
Systematics and molecular phylogeny of Cantharellus spp. in western Wisconsin.
Degree: 2011, University of Wisconsin – La Cross
URL: http://digital.library.wisc.edu/1793/68870
► Three new species, Cantharellus phasmatis, Cantharellus flavus, and Cantharellus spectaculus, previously considered Cantharellus cibarius are described in this study. Morphological differences between these new species…
(more)
▼ Three new species, Cantharellus phasmatis, Cantharellus flavus, and Cantharellus spectaculus, previously considered Cantharellus cibarius are described in this study. Morphological differences between these new species and their distinction from other Cantharellus species were supported by molecular data from at least two of the three loci included in our analysis (nLSU, ITS, & TEF1). Cantharellus phasmatis and C. flavus are shown to share a most recent common ancestor with the recently described species from the southern United States, Cantharellus tenuithrix, while C. spectaculus is in a much more distantly related clade. In addition, we elevate Cantharellus cibarius var. roseocanus to the species level based on molecular data that suggest its range extends across North America.
Advisors/Committee Members: Volk, Thomas.
Subjects/Keywords: Phylogeny.; Molecular biology.
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Foltz, M. J. (2011). Systematics and molecular phylogeny of Cantharellus spp. in western Wisconsin. (Thesis). University of Wisconsin – La Cross. Retrieved from http://digital.library.wisc.edu/1793/68870
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Foltz, Matthew J. “Systematics and molecular phylogeny of Cantharellus spp. in western Wisconsin.” 2011. Thesis, University of Wisconsin – La Cross. Accessed April 10, 2021.
http://digital.library.wisc.edu/1793/68870.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Foltz, Matthew J. “Systematics and molecular phylogeny of Cantharellus spp. in western Wisconsin.” 2011. Web. 10 Apr 2021.
Vancouver:
Foltz MJ. Systematics and molecular phylogeny of Cantharellus spp. in western Wisconsin. [Internet] [Thesis]. University of Wisconsin – La Cross; 2011. [cited 2021 Apr 10].
Available from: http://digital.library.wisc.edu/1793/68870.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Foltz MJ. Systematics and molecular phylogeny of Cantharellus spp. in western Wisconsin. [Thesis]. University of Wisconsin – La Cross; 2011. Available from: http://digital.library.wisc.edu/1793/68870
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Columbia University
6.
Glenwinkel, Lori Ann.
In silico prediction of regulators of neuronal identity through phylogenetic footprinting.
Degree: 2018, Columbia University
URL: https://doi.org/10.7916/D8ZW33SC
► How individual neurons in a nervous system give rise to complex function, behavior and consciousness in higher animals has been studied for over a century,…
(more)
▼ How individual neurons in a nervous system give rise to complex function, behavior and consciousness in higher animals has been studied for over a century, yet scientist have only begun to understand how brains work at the molecular level. This level of study is made possible through technological advances, especially transgenic analysis of the cells that make up nervous systems. To date, no other system has been used as extensively as the nematode Caenorhabditis elegans in this pursuit. With just 302 neurons in the adult hermaphrodite, extensive neuronal maps at the anatomical, functional, and molecular level have been built over the past 30 years. One way to understand how nervous systems develop and differentiate into diverse cell types such as sensory or motor neurons that make higher level behaviors possible, is to unravel the underlying gene regulatory programs that control development.
Throughout my PhD I investigated neuron type identity regulators to understand how nervous system diversity is generated and maintained using several bioinformatic approaches. First, I developed a software program and community resource tool, TargetOrtho, useful for identifying novel regulatory targets of transcription factors such as the cell type selector proteins termed terminal selectors evidenced to control terminal cell identity of 74 of the 118 neuron types in C. elegans. Analysis of terminal selector candidate target genes led to the further discovery that predicted target genes with cis-regulatory binding sites are enriched for neuron type specific genes suggesting an overarching theme of direct regulation by terminal selectors to specify cell type. Using this knowledge, I make predictions for novel regulators of neuronal identity to further elucidate how the C. elegans nervous system diversifies into 118 neuron types.
Subjects/Keywords: Biometry; Phylogeny; Neurons
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Glenwinkel, L. A. (2018). In silico prediction of regulators of neuronal identity through phylogenetic footprinting. (Doctoral Dissertation). Columbia University. Retrieved from https://doi.org/10.7916/D8ZW33SC
Chicago Manual of Style (16th Edition):
Glenwinkel, Lori Ann. “In silico prediction of regulators of neuronal identity through phylogenetic footprinting.” 2018. Doctoral Dissertation, Columbia University. Accessed April 10, 2021.
https://doi.org/10.7916/D8ZW33SC.
MLA Handbook (7th Edition):
Glenwinkel, Lori Ann. “In silico prediction of regulators of neuronal identity through phylogenetic footprinting.” 2018. Web. 10 Apr 2021.
Vancouver:
Glenwinkel LA. In silico prediction of regulators of neuronal identity through phylogenetic footprinting. [Internet] [Doctoral dissertation]. Columbia University; 2018. [cited 2021 Apr 10].
Available from: https://doi.org/10.7916/D8ZW33SC.
Council of Science Editors:
Glenwinkel LA. In silico prediction of regulators of neuronal identity through phylogenetic footprinting. [Doctoral Dissertation]. Columbia University; 2018. Available from: https://doi.org/10.7916/D8ZW33SC

University of Victoria
7.
Schulze, Anja.
Phylogeny of vestimentiferan tube worms.
Degree: Department of Biology, 2018, University of Victoria
URL: https://dspace.library.uvic.ca//handle/1828/9105
► Vestimentifera inhabit hydrothermal vents, cold-water seeps and other marine reducing habitats. The objectives of this study were to analyse phylogenetic relationships among the extant species…
(more)
▼ Vestimentifera inhabit hydrothermal vents, cold-water seeps and other marine reducing habitats. The objectives of this study were to analyse phylogenetic relationships among the extant species and their affinities to perviate and moniliferan Pogonophora and Polychaeta. The
phylogeny was reconstructed using morphological characters to test phylogenetic hypotheses based on molecular data. Morphological characters were partly extracted from the literature and partly gained throughout study of gross morphological and anatomical investigations and light, transmission and scanning electron microscopy. Three aspects of morphology were examined in detail in nine vestimentiferan species. The excretory system differs among the vestimentiferan species in the number of excretory pores, absence/presence of excretory papillae and grooves and shape of the excretory ducts. The anatomy of the excretory system resembles that shared by the polychaete families Serpulidae, Sabellidae and Sabellariidae. Chaetal ultrastructure and chaetogenesis show patterns similar to uncini in polychaetes. Contrary to published accounts, the septa dividing the opisthosomal segments only bear musculature on their posterior faces. A rudimentary gut and anus are present in opisthosomes of specimens up to adult size. The blood vascular system includes an intravasal body in the dorsal vessel with ultrastructural characteristics similar to intravasal tissue in Terebellidae, Ampharetidae, Flabelligeridae and Serpulidae, and is probably involved in hemoglobin production. Hemocytes were detected in many blood vessels, most of them attached to the vascular lamina. The sinus valvatus is a specialised region of the anterior ventral vessel, apparently unique to vestimentiferans. The wall of the dorsal vessel is formed by myoepithelial cells, representing a coelomyarian type of double obliquely striated musculature. Phylogenetic analyses including a total of 17 vestimentiferan species and three perviate species as outgroups support molecular interpretations that the vestimentiferan species inhabiting basalt-hosted vents of the Eastern Pacific represent a derived monophyletic clade. According to the reconstructed
phylogeny, the ancestral habitat of Vestimentifera was deep-water sedimented vent sites in the Western Pacific. Analysis of the relationships among Pogonophora and six polychaete families placed Pogonophora at the base of a clade including Sabellidae, Serpulidae and Sabellariidae. The Oweniidae represent the sister group to this clade.
Advisors/Committee Members: Tunnicliffe, Verena Julia (supervisor).
Subjects/Keywords: Phylogeny; Tube worms
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Schulze, A. (2018). Phylogeny of vestimentiferan tube worms. (Thesis). University of Victoria. Retrieved from https://dspace.library.uvic.ca//handle/1828/9105
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Schulze, Anja. “Phylogeny of vestimentiferan tube worms.” 2018. Thesis, University of Victoria. Accessed April 10, 2021.
https://dspace.library.uvic.ca//handle/1828/9105.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Schulze, Anja. “Phylogeny of vestimentiferan tube worms.” 2018. Web. 10 Apr 2021.
Vancouver:
Schulze A. Phylogeny of vestimentiferan tube worms. [Internet] [Thesis]. University of Victoria; 2018. [cited 2021 Apr 10].
Available from: https://dspace.library.uvic.ca//handle/1828/9105.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Schulze A. Phylogeny of vestimentiferan tube worms. [Thesis]. University of Victoria; 2018. Available from: https://dspace.library.uvic.ca//handle/1828/9105
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of New Mexico
8.
Nearns, Eugenio Hernandaacute.
Systematics of Longhorned Beetles (Insecta: Coleoptera: Cerambycidae).
Degree: UNM Biology Department, 2013, University of New Mexico
URL: https://digitalrepository.unm.edu/biol_etds/86
► The longhorned wood boring beetles (Insecta: Coleoptera: Cerambycidae) are a diverse and economically important group of insects. With an estimated 4,000 genera and more than…
(more)
▼ The longhorned wood boring beetles (Insecta: Coleoptera: Cerambycidae) are a diverse and economically important group of insects. With an estimated 4,000 genera and more than 35,000 described species, the Cerambycidae comprise one of the largest beetle families. Cerambycid beetles are found on all continents except Antarctica, from sea level to montane sites as high as 4000 m. Cerambycids are among the most serious wood boring pest species globally, affecting many agricultural crops, ornamental trees, and lumber products, causing millions of dollars in damage each year. Despite their economic importance and biological diversity, relatively little is known of cerambycid beetle ecology, behavior, or phylogenetic relationships. A better understanding of all of these factors would greatly contribute to conservation of endangered species, and in managing invasive species that could become pests in their new countries and habitats. In Chapter 1, I present the phylogenetic relationships among the tribes and genera of longhorned beetle subfamilies Prioninae Latreille and Parandrinae Blanchard (Coleoptera: Cerambycidae) inferred from DNA sequence data. Four genes (12S rRNA, 28S rRNA, cytochrome oxidase I, and histone III) were sequenced for 60 taxa representing the outgroup cerambycoid family Disteniidae Thomson and four cerambycid subfamilies: Cerambycinae Latreille, Lamiinae Latreille, Lepturinae Latreille, and Spondylidinae Audinet-Serville. The monophyly of Prioninae was tested using parsimony and Bayesian analyses. Prioninae (including Parandrinae and the cerambycine genus Plectogaster) was recovered as a monophyletic group in the Bayesian analysis. In the parsimony analysis, Prioninae (including Parandrinae but excluding two prionine genera: Aesa and Sarmydus) was also recovered as a monophyletic group. Both analyses recovered the subfamilies Lamiinae, Lepturinae, and Spondylidinae as monophyletic groups, as well as the Parandrinae + Prioninae clade as sister to Cerambycinae. Relationships among prionine tribes had low support values in both analyses, likely due to missing sequence data for a majority of included taxa, as well as relatively sparse taxonomic coverage (23 of 200 described genera, 11 of 18 tribes included). In Chapter 2, I present the first morphological study and phylogenetic analysis of the tribe Onciderini Thomson (Cerambycidae: Lamiinae). Members of this tribe are commonly referred to as the "twig girdlers" due to the peculiar behavior exhibited by adult females of at least four of 80 described genera. For the morphological study, specimens representing 74 of the 80 described genera of Onciderini were disarticulated and dissected. Twenty-three morphological characters were illustrated and studied, including the head, mandible, ligula, pronotum, prosternum, mesonotum, metendosternite, hind wing, and aedeagus. Seventy-four ingroup taxa and three outgroup taxa were scored for 23 morphological characters. Results of both the cladistic and Bayesian analyses suggest that Onciderini is…
Advisors/Committee Members: Miller, Kelly B., Branham, Marc A., Lowrey, Timothy K., Poe, Steven.
Subjects/Keywords: phylogeny; taxonomy; morphology
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Nearns, E. H. (2013). Systematics of Longhorned Beetles (Insecta: Coleoptera: Cerambycidae). (Doctoral Dissertation). University of New Mexico. Retrieved from https://digitalrepository.unm.edu/biol_etds/86
Chicago Manual of Style (16th Edition):
Nearns, Eugenio Hernandaacute. “Systematics of Longhorned Beetles (Insecta: Coleoptera: Cerambycidae).” 2013. Doctoral Dissertation, University of New Mexico. Accessed April 10, 2021.
https://digitalrepository.unm.edu/biol_etds/86.
MLA Handbook (7th Edition):
Nearns, Eugenio Hernandaacute. “Systematics of Longhorned Beetles (Insecta: Coleoptera: Cerambycidae).” 2013. Web. 10 Apr 2021.
Vancouver:
Nearns EH. Systematics of Longhorned Beetles (Insecta: Coleoptera: Cerambycidae). [Internet] [Doctoral dissertation]. University of New Mexico; 2013. [cited 2021 Apr 10].
Available from: https://digitalrepository.unm.edu/biol_etds/86.
Council of Science Editors:
Nearns EH. Systematics of Longhorned Beetles (Insecta: Coleoptera: Cerambycidae). [Doctoral Dissertation]. University of New Mexico; 2013. Available from: https://digitalrepository.unm.edu/biol_etds/86

NSYSU
9.
Jiang, Yu-xuan.
Phylogeny of Pempheridae inferred from sound-producing structure and DNA sequences.
Degree: Master, Marine Biology, 2010, NSYSU
URL: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0819110-155556
► According to previous morphological studies on percoid phylogenies, Pempheridae may have a closer relationship to Glaucosomatidae, Teraponidae, Bramidae, Carangidae, Centropomidae, Kyphosidae, Leiognathidae, Menidae, Nandidae, Percichthyidae,…
(more)
▼ According to previous morphological studies on percoid phylogenies, Pempheridae may have a closer relationship to Glaucosomatidae, Teraponidae, Bramidae, Carangidae, Centropomidae, Kyphosidae, Leiognathidae, Menidae, Nandidae, Percichthyidae, Polynemidae, Sciaenidae or Toxotidae. About 10% of 515 fish families are soniferous and Pempheridae is one of the soniferous families in Percoidei. A pair of slits has been found at the anterodorsal sides of the swimbladder in Glaucosomatidae, Teraponidae and Pempheridae, and it suggests that they have closer relationship. And preliminary study on molecular
phylogeny has evidence supporting that Glaucosomatidae and Pempheridae are sister goups. In this study, I compared the sonic muscle, swimbladder morphology, slit and associated structures in percoid soniferous fishes, including Pempheridae, Glaucosomatidae, Teraponidae, Sciaenidae, Priacanthidae, Haemulidae, Cichlidae and Pomacentridae. I found that there are synapomorphic characters in Pempheridae, Glaucosomatidae and Teraponidae; the slits and elastic tissue in the swimbladder are similar, and are limited to these three families. Furthermore, 16S rRNA, COI, Cytb and Rhodopsin gene sequences data were used for phylogenetic studies. And the results reveal that Pempheridae and Glaucosomatidae are sister groups and they are not closely related to Teraponidae. Therefore, the similary of sonic system in Teraponidae, Pempheridae and Glaucosomatidae may have evolved at least twice in the Percoidei and convergent evolution might also have taken placed.
Advisors/Committee Members: Meng-Hsien Chen (chair), Hin-Kiu Mok (committee member), Hsueh-Wen Chang (chair).
Subjects/Keywords: molecular phylogeny; Pempheridae; sonic system
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Jiang, Y. (2010). Phylogeny of Pempheridae inferred from sound-producing structure and DNA sequences. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0819110-155556
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Jiang, Yu-xuan. “Phylogeny of Pempheridae inferred from sound-producing structure and DNA sequences.” 2010. Thesis, NSYSU. Accessed April 10, 2021.
http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0819110-155556.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Jiang, Yu-xuan. “Phylogeny of Pempheridae inferred from sound-producing structure and DNA sequences.” 2010. Web. 10 Apr 2021.
Vancouver:
Jiang Y. Phylogeny of Pempheridae inferred from sound-producing structure and DNA sequences. [Internet] [Thesis]. NSYSU; 2010. [cited 2021 Apr 10].
Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0819110-155556.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Jiang Y. Phylogeny of Pempheridae inferred from sound-producing structure and DNA sequences. [Thesis]. NSYSU; 2010. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0819110-155556
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

NSYSU
10.
Chuang, Shih-Fung.
Molecular phylogenetic study of the crabs genus Petrolisthes in Taiwan.
Degree: Master, Marine Resources, 2003, NSYSU
URL: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-1003103-141716
► The genus Petrolisthes is the largest, the most widely distributed genus in the family Porcellanidae. It contains over 100 species distributed around the world ,…
(more)
▼ The genus Petrolisthes is the largest, the most widely distributed genus in the family Porcellanidae. It contains over 100 species distributed around the world , including over 16 species commonly found near the shore of Taiwan . We discuss the diversity and
phylogeny of them, and the similarities and dissimilarites of between the molecular biology and traditional morphology.
We got 15 pocerlain crabs specimen and almost 900bp and 800bp of them in the 16S rRNA and 12SrRNA of MtDNA respectively. The average pairwise distances is 0.2510 and 0.2249, and the phylogenetic relationship can be determined by observing the morphology of the Petrolisthes crabs, especially the number of spines on the anterior margin of the carpus of the chelipeds, which are an important basis for evolution and classfication.
The tree is made from the morphological characters is put more weight by us to the numbers of spines on the anterior margin of the carpus of the chelipeds, and the presence or not of the spines of the outline of the chelipeds. And we can get the same resuit as the molecular phylogenetical tree. This provides an evidence to the situation that molecular
phylogeny will present to the morphological character, and some of the characters are more important to the molecular evolution.
The
phylogeny relationship of porcelain crabs of the west and east Pacific donât be separated by the Pacific. But the primary phylogenetic relationship still present to the morphological characters. The group T is some species that evolve rapidly with the environment at the later evolution phase.
The mitochondrial DNA of Petrolisthes has been sequencing two third of all and compared with the 5 previously studied species ï¼Limulus polyphemusãArtemia franciscanaãDaphnia pulexãPenaeus mondonãPagurus longicarpusï¼in the class Crustacean. The results reveal that the genome of Petrolisthes is arranged most like that of the hermit crab Pagurus, suggesting they may share an ancestral phenotype. However, the start and terminal codon of Petrolisthes show a unusual similarity to that of Penaeus, the phylogenetic result of the sequence of the protein coding genes support the classification to the anomura conclude the Pagurus and Petrolisthes, and there are high bootstrap values more than 84 with the clade of Pagurus and Petrolisthes in the neighbor-joining method tree and maximum parsimony tree. These analysis showed encourage much needed research and discussion about the relationship between anomura, brachyura and macrura, of the order Decapoda.
Advisors/Committee Members: I-Shiong Chen (chair), Lee-Shing Fang (committee member), I-Ming Chen (committee member), Siong-Ping Yu (chair).
Subjects/Keywords: Petrolisthes; phylogeny
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Chuang, S. (2003). Molecular phylogenetic study of the crabs genus Petrolisthes in Taiwan. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-1003103-141716
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Chuang, Shih-Fung. “Molecular phylogenetic study of the crabs genus Petrolisthes in Taiwan.” 2003. Thesis, NSYSU. Accessed April 10, 2021.
http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-1003103-141716.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Chuang, Shih-Fung. “Molecular phylogenetic study of the crabs genus Petrolisthes in Taiwan.” 2003. Web. 10 Apr 2021.
Vancouver:
Chuang S. Molecular phylogenetic study of the crabs genus Petrolisthes in Taiwan. [Internet] [Thesis]. NSYSU; 2003. [cited 2021 Apr 10].
Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-1003103-141716.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Chuang S. Molecular phylogenetic study of the crabs genus Petrolisthes in Taiwan. [Thesis]. NSYSU; 2003. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-1003103-141716
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Oregon State University
11.
Kettratad, Jes.
The Oregon Coastal Subprovince, a new biogeographic subprovince for primary freshwater fishes in Oregon.
Degree: PhD, Fisheries Science, 2008, Oregon State University
URL: http://hdl.handle.net/1957/10464
► The Pacific Northwest has a relatively low diversity of primary freshwater fishes with most of the endemism and diversity in the Columbia River and Klamath…
(more)
▼ The Pacific Northwest has a relatively low diversity of primary freshwater fishes
with most of the endemism and diversity in the Columbia River and Klamath River.
However, the Oregon Coastal Subprovince defined as the coastal rivers from Miami
River in the north to Sixes River in the south, has a relatively diverse primary freshwater
fish fauna, and, potentially unrecognized endemism. The species diversity and endemism
of these systems is not clear because their taxa are allopatric members of more wide
ranging taxa with some recognized as distinct species while others are not. The presence
of primary freshwater fishes in the Oregon Coastal Subprovince has been explained as
either due to their origin in the coastal river systems or dispersal to coastal rivers from the
Willamette River.
The goals of this study were: 1) to describe fishes in the genera Catostomus and
Ptychocheilus in the Oregon Coastal Subprovince using morphological data and
mitochondrial cytochrome b sequences; 2) to investigate the relationships of fishes in the
Oregon Coastal Subprovince to nearby provinces; and 3) to address competing distribution theories.
In this study, I re-described C. tsiltcoosensis, C. macrocheilus, C. rimiculus, P.
umpquae and P. oregonensis and recognized C. sp A (Coquille River) and C. sp. B
(Rogue River). Catostomus tsiltcoosensis and C. sp. A tend to have higher counts of
infraorbital pores and fewer dorsal fin rays than C. macrocheilus. Catostomus
tsiltcoosensis had six fixed base pair differences from C. macrocheilus. Catostomus sp. A
had 14 fixed base pair differences in cytochrome b from C. macrocheilus and C.
tsiltcoosensis and had a narrower body width at base of the pectoral fin than C.
tsiltcoosensis. In the cytochrome b
phylogeny, C. macrocheilus (Columbia) was sister to
C. tsiltcoosensis (Siuslaw River, Umpqua River and Coos River) and C. sp. A (Coquille
River) was sister to C. macrocheilus and C. tsiltcoosensis plus C. columbianus and C.
tahoensis. The Rogue River C. sp B was recognized as a separate species from C.
rimiculus because it had higher counts of vertebrae anterior to the dorsal fin and had nine
fixed base pair differences from C. rimiculus. Although Catostomus sp. B was previously
placed in C. rimiculus, phylogenetic analysis showed C. rimiculus was more closely
related to other catostomids in the Klamath Basin than to C. sp. B. This was likely caused
by hybridization among four different species of suckers in the Klamath system.
Ptychocheilus oregonensis tended to have fewer scales around the caudal
peduncle, fewer scales above the lateral line, fewer transverse scales, deeper body depth
at the origin of the dorsal fin, and shallower caudal peduncle than P. umpquae.
Ptychocheilus umpquae had 15 fixed base pair differences from P. oregonensis. Based on
phylogenetic analysis, P. oregonensis (Columbia - Willamette River) was sister to the P.
umpquae (Siuslaw and Umpqua) and P. grandis (Sacramento) was sister to both. If C.…
Advisors/Committee Members: Douglas, Markle (advisor), Liston, Aaron (committee member).
Subjects/Keywords: fish; Catostomus – Oregon – Phylogeny
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Kettratad, J. (2008). The Oregon Coastal Subprovince, a new biogeographic subprovince for primary freshwater fishes in Oregon. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/10464
Chicago Manual of Style (16th Edition):
Kettratad, Jes. “The Oregon Coastal Subprovince, a new biogeographic subprovince for primary freshwater fishes in Oregon.” 2008. Doctoral Dissertation, Oregon State University. Accessed April 10, 2021.
http://hdl.handle.net/1957/10464.
MLA Handbook (7th Edition):
Kettratad, Jes. “The Oregon Coastal Subprovince, a new biogeographic subprovince for primary freshwater fishes in Oregon.” 2008. Web. 10 Apr 2021.
Vancouver:
Kettratad J. The Oregon Coastal Subprovince, a new biogeographic subprovince for primary freshwater fishes in Oregon. [Internet] [Doctoral dissertation]. Oregon State University; 2008. [cited 2021 Apr 10].
Available from: http://hdl.handle.net/1957/10464.
Council of Science Editors:
Kettratad J. The Oregon Coastal Subprovince, a new biogeographic subprovince for primary freshwater fishes in Oregon. [Doctoral Dissertation]. Oregon State University; 2008. Available from: http://hdl.handle.net/1957/10464

Oregon State University
12.
Krupkin, Alexander Bennett.
Chloroplast DNA phylogeny of hard pines (subgenus Pinus) : inference from site mutations and multiple small (1-10 Kb) inversions.
Degree: MS, Forest Science, 1992, Oregon State University
URL: http://hdl.handle.net/1957/10941
► Plastid DNA restriction site and rearrangement mutations were used to study phylogenetic relationships among hard pines (subgenus Pinus). Total genomic DNA was cut with 19…
(more)
▼ Plastid DNA restriction site and rearrangement mutations were used to study phylogenetic relationships among hard pines (subgenus Pinus). Total genomic DNA was cut with 19 restriction enzymes, blotted, and then probed mostly with 80% of the Douglas-Fir (Pseudotsuga menziesii) chioroplast genome (cpDNA) {initial study, using only 6bp recognition enzymes}; or, clones encompassing the entire chloroplast genome of Pinus contorta (Lidholm and
Gustafsson 1991) {final study, using only 4bp recognition enzymes}. A total of 202 mutations were recognized, 116 of which were phylogenetically informative, and subjected
to Wagner and Dollo bootstrap analyses. A number of clades were distinguished at the 95's significance level or above, revealing some important differences relative to the widely recognized taxonomy of Little and Critchfield (1969). The divisional differences are: 1) movement of subsection Sylvestres into the same monophyletic dade as
other Old World subsections (Pineae, Canariensis), subsection Sabiananae monophyletic with subsection Ponderosae, subsection Leiophylla in same monophyletic
dade as subsection Oocarpae, and, P. radiata in its own monotypic dade separate from subsection Oocarpae. Species reassignments include: P. teocote from subsection Ponderosae into Oocarpae dade, and, P. halepensis from subsection Sylvestres to be grouped monophyletically with P. pinea. Next, the 197 site mutations were used to
calculate percent sequence divergence among the species studied. Only results from the final study were discussed in detail, since the data from the initial study were
problematic. Overall rates of cpDNA evolution (1-2x10-10) in hard pines were approximately an order of magnitude lower than the value for angiosperms, but similar to values found in another long-lived woody plant taxa, Palms. Subsection Pineae {P. halepensis P. pinea} is hypothesized to be ancestral to the subgenus, arising sometime during the Late Jurassic-Early Cretaceous; while a Contortae-like progenitor is judged to be ancestral to New World taxa. In general, the divergence values give extensive insight into how major geological events shaped hard pine
phylogeny. Compared to prior work, the use of restriction enzymes recognizing shorter sequences, thus
more frequently cutting, coupled with smaller, more homologous, probes have greatly increased resolution of the molecular
phylogeny among hard pines. Future work in hard pine
phylogeny should include more species, and the same probe-enzyme combinations, so that direct inferences can be made, while similar methods could be used to define relationships among the soft (subgenus Strobus) pines as well as other conifers. In any case, future studies
should attempt to obtain data in the form of concise mutations, and be expanded to include data from the nuclear and mitochondrial genomes. Also, chloroplast DNA (cpDNA) restriction maps were constructed for three hard (subgenus Pinus) pines: L
inea, P. sylvestres, and P. ponderosa; and compared with all other published Pinaceae cpDNA…
Advisors/Committee Members: Liston, Aaron (advisor).
Subjects/Keywords: Pine – Phylogeny
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Krupkin, A. B. (1992). Chloroplast DNA phylogeny of hard pines (subgenus Pinus) : inference from site mutations and multiple small (1-10 Kb) inversions. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/10941
Chicago Manual of Style (16th Edition):
Krupkin, Alexander Bennett. “Chloroplast DNA phylogeny of hard pines (subgenus Pinus) : inference from site mutations and multiple small (1-10 Kb) inversions.” 1992. Masters Thesis, Oregon State University. Accessed April 10, 2021.
http://hdl.handle.net/1957/10941.
MLA Handbook (7th Edition):
Krupkin, Alexander Bennett. “Chloroplast DNA phylogeny of hard pines (subgenus Pinus) : inference from site mutations and multiple small (1-10 Kb) inversions.” 1992. Web. 10 Apr 2021.
Vancouver:
Krupkin AB. Chloroplast DNA phylogeny of hard pines (subgenus Pinus) : inference from site mutations and multiple small (1-10 Kb) inversions. [Internet] [Masters thesis]. Oregon State University; 1992. [cited 2021 Apr 10].
Available from: http://hdl.handle.net/1957/10941.
Council of Science Editors:
Krupkin AB. Chloroplast DNA phylogeny of hard pines (subgenus Pinus) : inference from site mutations and multiple small (1-10 Kb) inversions. [Masters Thesis]. Oregon State University; 1992. Available from: http://hdl.handle.net/1957/10941

Dalhousie University
13.
Liu, Chaoyue.
GENE CLUSTERING BASED ON CO-OCCURRENCE WITH CORRECTION FOR
COMMON EVOLUTIONARY HISTORY.
Degree: MS, Department of Mathematics & Statistics - Statistics
Division, 2016, Dalhousie University
URL: http://hdl.handle.net/10222/71495
► As the number of sequenced genomes increases rapidly, new approaches are needed for the computational annotation of protein functions and to better understand the ecological…
(more)
▼ As the number of sequenced genomes increases rapidly,
new approaches are needed for the computational annotation of
protein functions and to better understand the ecological roles of
genomes.
In this thesis, a gene clustering approach based on the
correlated evolution method (Pagel) and hierarchical clustering is
proposed to find sets of co-occurring genes according to their
weighted phylogenetic profiles. Hierarchical clusters can be cut at
many different levels of similarity; since our primary interest is
the evaluation of functional associations, we used the semantic
similarity of Gene Ontology terms to optimize the choice of cuts in
the hierarchy, and to evaluate our clustering outcomes. The results
can be used to predict the functions of the unannotated genes and
to discover candidate sets of lateral gene transfer events.
We
applied this approach to the gene set of the large clostridial
genome “Lachnospiraceae bacterium 3-1-57FAA-CT1”, and generated
informative clusters of genes with correlated evolutionary
histories, which in many cases shared functional similarity as
well. We compared the results of our method to the recently
described approach, Clustering by Inferred Modules of Evolution
(CLIME), and found considerable similarity between the two sets of
predictions. However, our hierarchical clustering approach allows
the exploration of degrees of protein similarity, and the
generation of smaller or larger clusters as appropriate. In both
cases, we found strong evidence that clusters of genes having
similar phylogenetic histories also tend to be functionally
linked.
Advisors/Committee Members: Department of Mathematics & Statistics - Statistics Division (department), Master of Science (degree), n/a (external-examiner), Joanna Mills-Flemming (graduate-coordinator), Joseph Bielawski (thesis-reader), Tobias Kenney (thesis-reader), Hong Gu (thesis-supervisor), Robert Beiko (thesis-supervisor), Not Applicable (ethics-approval), Not Applicable (manuscripts), Yes (copyright-release).
Subjects/Keywords: phylogeny; Gene clustering; statistics
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Liu, C. (2016). GENE CLUSTERING BASED ON CO-OCCURRENCE WITH CORRECTION FOR
COMMON EVOLUTIONARY HISTORY. (Masters Thesis). Dalhousie University. Retrieved from http://hdl.handle.net/10222/71495
Chicago Manual of Style (16th Edition):
Liu, Chaoyue. “GENE CLUSTERING BASED ON CO-OCCURRENCE WITH CORRECTION FOR
COMMON EVOLUTIONARY HISTORY.” 2016. Masters Thesis, Dalhousie University. Accessed April 10, 2021.
http://hdl.handle.net/10222/71495.
MLA Handbook (7th Edition):
Liu, Chaoyue. “GENE CLUSTERING BASED ON CO-OCCURRENCE WITH CORRECTION FOR
COMMON EVOLUTIONARY HISTORY.” 2016. Web. 10 Apr 2021.
Vancouver:
Liu C. GENE CLUSTERING BASED ON CO-OCCURRENCE WITH CORRECTION FOR
COMMON EVOLUTIONARY HISTORY. [Internet] [Masters thesis]. Dalhousie University; 2016. [cited 2021 Apr 10].
Available from: http://hdl.handle.net/10222/71495.
Council of Science Editors:
Liu C. GENE CLUSTERING BASED ON CO-OCCURRENCE WITH CORRECTION FOR
COMMON EVOLUTIONARY HISTORY. [Masters Thesis]. Dalhousie University; 2016. Available from: http://hdl.handle.net/10222/71495
14.
Helvin, Vincent.
Characterization and applications of two protease enzymes obtained by culture dependent and independent approaches from mangrove sediments.
Degree: 2014, Cochin University of Science and Technology
URL: http://dyuthi.cusat.ac.in/purl/4962
► Soil community genomics or metagenomics is employed in this study to analyze the evolutionary related - ness of mangrove microbial community. The metagenomic DNA was…
(more)
▼ Soil community genomics or metagenomics is employed in this study to analyze the evolutionary related
-
ness of mangrove microbial community. The metagenomic DNA was isolated from mangrove sediment and
16SrDNA was amplified using universal primers. The amplicons were ligated into pTZ57R/T cloning vector and transformed
onto E. coli JM109 host cells. The recombinant plasmids were isolated from positive clones and the insert was confirmed
by its reamplification. The amplicons were subjected to Amplified Ribosomal DNA Restriction Analysis (ARDRA) using three
different tetra cutter restriction enzymes namely Sau3A1, Hha1 and HpaII. The 16SrDNA insert were sequenced and their
identity was determined. The sequences were submitted to NCBI database and accession numbers obtained. The phylo
-
genetic tree was constructed based on Neighbor-Joining technique. Clones belonged to two major phyla of the bacterial
domain, namely Firmicutes and Proteobacteria, with members of Firmicutes predominating. The microbial diversity of the
mangrove sediment was explored in this manner.
Cochin University of Science & Technology
Subjects/Keywords: Metagenomics; 16Sr DNA; ARDRA; Phylogeny
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Helvin, V. (2014). Characterization and applications of two protease enzymes obtained by culture dependent and independent approaches from mangrove sediments. (Thesis). Cochin University of Science and Technology. Retrieved from http://dyuthi.cusat.ac.in/purl/4962
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Helvin, Vincent. “Characterization and applications of two protease enzymes obtained by culture dependent and independent approaches from mangrove sediments.” 2014. Thesis, Cochin University of Science and Technology. Accessed April 10, 2021.
http://dyuthi.cusat.ac.in/purl/4962.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Helvin, Vincent. “Characterization and applications of two protease enzymes obtained by culture dependent and independent approaches from mangrove sediments.” 2014. Web. 10 Apr 2021.
Vancouver:
Helvin V. Characterization and applications of two protease enzymes obtained by culture dependent and independent approaches from mangrove sediments. [Internet] [Thesis]. Cochin University of Science and Technology; 2014. [cited 2021 Apr 10].
Available from: http://dyuthi.cusat.ac.in/purl/4962.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Helvin V. Characterization and applications of two protease enzymes obtained by culture dependent and independent approaches from mangrove sediments. [Thesis]. Cochin University of Science and Technology; 2014. Available from: http://dyuthi.cusat.ac.in/purl/4962
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Hong Kong
15.
王静.
Systematics and phylogeny
of Dasymaschalon (Annonaceae).
Degree: 2009, University of Hong Kong
URL: http://hdl.handle.net/10722/56626
Subjects/Keywords: Annonaceae - Phylogeny.
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
王静. (2009). Systematics and phylogeny
of Dasymaschalon (Annonaceae). (Thesis). University of Hong Kong. Retrieved from http://hdl.handle.net/10722/56626
Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
王静. “Systematics and phylogeny
of Dasymaschalon (Annonaceae).” 2009. Thesis, University of Hong Kong. Accessed April 10, 2021.
http://hdl.handle.net/10722/56626.
Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
王静. “Systematics and phylogeny
of Dasymaschalon (Annonaceae).” 2009. Web. 10 Apr 2021.
Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete
Vancouver:
王静. Systematics and phylogeny
of Dasymaschalon (Annonaceae). [Internet] [Thesis]. University of Hong Kong; 2009. [cited 2021 Apr 10].
Available from: http://hdl.handle.net/10722/56626.
Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
王静. Systematics and phylogeny
of Dasymaschalon (Annonaceae). [Thesis]. University of Hong Kong; 2009. Available from: http://hdl.handle.net/10722/56626
Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete
Not specified: Masters Thesis or Doctoral Dissertation

Mississippi State University
16.
Schuler, Gabriel.
Classification of recently discovered amoeboid protists.
Degree: MS, Biological Sciences, 2018, Mississippi State University
URL: http://sun.library.msstate.edu/ETD-db/theses/available/etd-06292018-111720/
;
► Many groups of protists, also known as microbial eukaryotes, remain understudied. One such group, the superfamily Sainouroidea in the supergroup Rhizaria has been shown to…
(more)
▼ Many groups of protists, also known as microbial eukaryotes, remain understudied. One such group, the superfamily Sainouroidea in the supergroup Rhizaria has been shown to be a molecularly diverse and divergent clade by recent environmental sequencing. Here we isolated and analyzed cultures of Sainouroid amoebae using 18S rDNA sequencing, light microscopy, and TEM. Using a molecular species concept we described four novel genera and twelve novel species in Sainouroidea. Another understudied group Cutosea, in the supergroup Amoebozoa, contains the ATCC isolate PRA-29, which is an amoeba that has been used in many phylogenomic datasets. PRA-29 was incorrectly identified as <i>Pessonella</i> sp. Here we studied PRA-29 in detail using light microscopy, TEM, and SEM and re-classify it as <i>Armaparvus languidus</i> novel genus, novel species. We show that a cell coat of microscales separated from the cell membrane is a unique trait found in all known Cutosean amoebae.
Advisors/Committee Members: Matthew W. Brown (chair), Diana C. Outlaw (committee member), Jeffery D. Silberman (committee member).
Subjects/Keywords: Pessonella; phylogeny; Rosculus; Guttulinopsis; Sainouroidea
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Schuler, G. (2018). Classification of recently discovered amoeboid protists. (Masters Thesis). Mississippi State University. Retrieved from http://sun.library.msstate.edu/ETD-db/theses/available/etd-06292018-111720/ ;
Chicago Manual of Style (16th Edition):
Schuler, Gabriel. “Classification of recently discovered amoeboid protists.” 2018. Masters Thesis, Mississippi State University. Accessed April 10, 2021.
http://sun.library.msstate.edu/ETD-db/theses/available/etd-06292018-111720/ ;.
MLA Handbook (7th Edition):
Schuler, Gabriel. “Classification of recently discovered amoeboid protists.” 2018. Web. 10 Apr 2021.
Vancouver:
Schuler G. Classification of recently discovered amoeboid protists. [Internet] [Masters thesis]. Mississippi State University; 2018. [cited 2021 Apr 10].
Available from: http://sun.library.msstate.edu/ETD-db/theses/available/etd-06292018-111720/ ;.
Council of Science Editors:
Schuler G. Classification of recently discovered amoeboid protists. [Masters Thesis]. Mississippi State University; 2018. Available from: http://sun.library.msstate.edu/ETD-db/theses/available/etd-06292018-111720/ ;

University of Utah
17.
Lively, Joshua Ryan.
New Baenid turtles from the cretaceous Kaiparowits formation of Southern Utah: implications for Laramidian biogeography.
Degree: MS, Geology & Geophysics, 2013, University of Utah
URL: http://content.lib.utah.edu/cdm/singleitem/collection/etd3/id/3474/rec/1683
► Recent discoveries demonstrate that Campanian dinosaur assemblages across the western North American subcontinent (Laramidia) exhibit basin-scale endemism, with each sedimentary basin possessing its own unique…
(more)
▼ Recent discoveries demonstrate that Campanian dinosaur assemblages across the western North American subcontinent (Laramidia) exhibit basin-scale endemism, with each sedimentary basin possessing its own unique assemblage, and an apparent higher-level biogeographic boundary between northern and southern Laramidia. Subsequently, during the Maastrichtian, most taxa are present in multiple basins, with some forms supporting the presence of distinct northern/southern provinces, whereas others are more cosmopolitan. Despite these dinosaur biogeographic data, little attention has been paid to other vertebrate groups. To test these biogeographic hypotheses, I examined the alpha taxonomy, evolution, and paleobiogeography of the paracryptodiran turtle clade Baenidae using a newly-generated species-level phylogeny. Baenids were one of the most diverse and abundant turtle clades during the Late Cretaceous, are restricted to North America, and have a well-sampled fossil record, making them an ideal study system for examining Laramidian biogeography.I first assessed the taxonomic affinities of newly discovered baenid turtles from the Upper Cretaceous (Campanian) Kaiparowits Formation of southern Utah. I found that at least five distinct baenid species inhabited the Kaiparowits Basin during the Campanian. These taxa include Denazinemys nodosa, previously known from Texas and New Mexico, Boremys grandis, previously known from New Mexico only, and three newivtaxa that appear to have been endemic to southern Utah. These newly described taxa include two new species of Neurankylus and a morphologically unique pig-nosed taxon. Using new morphologic data from the Kaiparowits specimens, I conducted a comprehensive phylogenetic analysis on the clade, utilizing 106 characters and 32 ingroup taxa.Based on occurrences alone, Campanian baenid assemblages display distinct northern and southern provinces with no taxonomic overlap. To investigate the evolutionary patterns of this biogeographic signal, I applied a dispersal-extinction-cladogenesis model to the strict consensus tree and three randomly selected most parsimonious trees from my phylogenetic analysis. This study reveals that the ancestral ranges for basal baenid branches were cosmopolitan across either Laramidia or all of North America. More derived baenids (i.e., subclade Baenodda) possessed ancestral ranges in the area of Montana, Wyoming, and the Dakotas, and the analysis reconstructs multiple individual lineages then dispersing to southern Laramidia and Alberta.
Subjects/Keywords: Baenidae; Cretaceous; Paleobiogeography; Phylogeny
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Lively, J. R. (2013). New Baenid turtles from the cretaceous Kaiparowits formation of Southern Utah: implications for Laramidian biogeography. (Masters Thesis). University of Utah. Retrieved from http://content.lib.utah.edu/cdm/singleitem/collection/etd3/id/3474/rec/1683
Chicago Manual of Style (16th Edition):
Lively, Joshua Ryan. “New Baenid turtles from the cretaceous Kaiparowits formation of Southern Utah: implications for Laramidian biogeography.” 2013. Masters Thesis, University of Utah. Accessed April 10, 2021.
http://content.lib.utah.edu/cdm/singleitem/collection/etd3/id/3474/rec/1683.
MLA Handbook (7th Edition):
Lively, Joshua Ryan. “New Baenid turtles from the cretaceous Kaiparowits formation of Southern Utah: implications for Laramidian biogeography.” 2013. Web. 10 Apr 2021.
Vancouver:
Lively JR. New Baenid turtles from the cretaceous Kaiparowits formation of Southern Utah: implications for Laramidian biogeography. [Internet] [Masters thesis]. University of Utah; 2013. [cited 2021 Apr 10].
Available from: http://content.lib.utah.edu/cdm/singleitem/collection/etd3/id/3474/rec/1683.
Council of Science Editors:
Lively JR. New Baenid turtles from the cretaceous Kaiparowits formation of Southern Utah: implications for Laramidian biogeography. [Masters Thesis]. University of Utah; 2013. Available from: http://content.lib.utah.edu/cdm/singleitem/collection/etd3/id/3474/rec/1683

Oregon State University
18.
Creason, Allison L.
Characterization of the pathogenicity and phylogeny of members of the Rhodococcus genus.
Degree: PhD, Molecular and Cellular Biology, 2015, Oregon State University
URL: http://hdl.handle.net/1957/55812
► Plant pathogenic Rhodococcus species are persistent pathogens able to cause severe growth deformities on a large range of hosts. The most well studied species, R.…
(more)
▼ Plant pathogenic Rhodococcus species are persistent pathogens able to
cause severe growth deformities on a large range of hosts. The most well studied
species, R. fascians is predicted by current models to synthesize a mixture of
cytokinins that act to directly perturb the hosts' hormone balances, which results
in abnormal growth. The biosynthesis and modification of cytokinins has been
attributed to proteins encoded by the fas locus. The fasD gene encodes an
isopentenyl transferase, a key enzyme in cytokinin biosynthesis, and is
necessary for pathogenicity. In addition to fasD, fasA, putatively encoding a P450
monooxygenase, and fasF, encoding a phosphoribohydrolase, are hypothesized
to be necessary for pathogenicity. The work presented in this thesis employs the
use of whole genome sequences from over 20 isolates of Rhodococcus to
challenge the current virulence model and develop new models. Counter to the
current virulence model, our data shows R. fascians produces only one active
cytokinin in a fas-dependent manner. Analysis of the genome sequences
revealed a unique pathogenic isolate that lacks the fas operon. However, this
isolate contains a gene predicted to encode a protein with isopentenyl
transferase and phosphoribohydrolase domains, putatively capable of catalyzing
and activating cytokinins, respectively. We also developed methods to generate
non-polar gene deletion mutants of fasA and fasF, two key genes in the extant
virulence model. Characterization of these mutants indicates fasA and fasF are
not necessary for pathogenicity. Finally, we used the genome sequences from 59
Rhodococcus isolates, including the 21 genomes we sequenced, to provide a
framework for resolving the Rhodococcus genus.
Advisors/Committee Members: Chang, Jeff H. (advisor), Freitag, Michael (committee member).
Subjects/Keywords: Rhodococcus – Phylogeny – Molecular aspects
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Creason, A. L. (2015). Characterization of the pathogenicity and phylogeny of members of the Rhodococcus genus. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/55812
Chicago Manual of Style (16th Edition):
Creason, Allison L. “Characterization of the pathogenicity and phylogeny of members of the Rhodococcus genus.” 2015. Doctoral Dissertation, Oregon State University. Accessed April 10, 2021.
http://hdl.handle.net/1957/55812.
MLA Handbook (7th Edition):
Creason, Allison L. “Characterization of the pathogenicity and phylogeny of members of the Rhodococcus genus.” 2015. Web. 10 Apr 2021.
Vancouver:
Creason AL. Characterization of the pathogenicity and phylogeny of members of the Rhodococcus genus. [Internet] [Doctoral dissertation]. Oregon State University; 2015. [cited 2021 Apr 10].
Available from: http://hdl.handle.net/1957/55812.
Council of Science Editors:
Creason AL. Characterization of the pathogenicity and phylogeny of members of the Rhodococcus genus. [Doctoral Dissertation]. Oregon State University; 2015. Available from: http://hdl.handle.net/1957/55812

Oregon State University
19.
Sung, Gi-Ho.
Systematics and phylogeny of Cordyceps and the Clavicipitaceae with emphasis on the evolution of host affiliation.
Degree: PhD, Botany and Plant Pathology, 2005, Oregon State University
URL: http://hdl.handle.net/1957/29767
Subjects/Keywords: Cordyceps – Phylogeny
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Sung, G. (2005). Systematics and phylogeny of Cordyceps and the Clavicipitaceae with emphasis on the evolution of host affiliation. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/29767
Chicago Manual of Style (16th Edition):
Sung, Gi-Ho. “Systematics and phylogeny of Cordyceps and the Clavicipitaceae with emphasis on the evolution of host affiliation.” 2005. Doctoral Dissertation, Oregon State University. Accessed April 10, 2021.
http://hdl.handle.net/1957/29767.
MLA Handbook (7th Edition):
Sung, Gi-Ho. “Systematics and phylogeny of Cordyceps and the Clavicipitaceae with emphasis on the evolution of host affiliation.” 2005. Web. 10 Apr 2021.
Vancouver:
Sung G. Systematics and phylogeny of Cordyceps and the Clavicipitaceae with emphasis on the evolution of host affiliation. [Internet] [Doctoral dissertation]. Oregon State University; 2005. [cited 2021 Apr 10].
Available from: http://hdl.handle.net/1957/29767.
Council of Science Editors:
Sung G. Systematics and phylogeny of Cordyceps and the Clavicipitaceae with emphasis on the evolution of host affiliation. [Doctoral Dissertation]. Oregon State University; 2005. Available from: http://hdl.handle.net/1957/29767

Vanderbilt University
20.
Salichos, Leonidas.
Quantifying phylogenetic incongruence and identifying contributing factors in a yeast model clade.
Degree: PhD, Biological Sciences, 2014, Vanderbilt University
URL: http://hdl.handle.net/1803/13959
► The presence of phylogenetic incongruence, the topological conflict between different gene trees, continues to confound phylogeneticists and makes the determination of the major branches of…
(more)
▼ The presence of phylogenetic incongruence, the topological conflict between different gene trees, continues to confound phylogeneticists and makes the determination of the major branches of the tree of life challenging. In my thesis, I introduce four novel measures of internode and tree support (Internode Certainty, Internode Certainty All, Tree Certainty and Tree Certainty All) that quantify incongruence by considering the most prevalent conflicting bipartitions for each internode. Using these measures on a dataset of 1,070 high-quality orthogroups from the yeast clade that I assembled, I discovered extreme levels of gene-tree incongruence, I identified several ambiguous internodes previously considered as resolved and I showed that most standard practices aimed at decreasing incongruence, have little, negative or no significant effect, misleading investigators and leading to overconfidence. I obtained similar results on two additional datasets, consisting of vertebrate and metazoan taxa, respectively, whose orthology I defined using clustering-Reciprocal Best Hit, an ortholog-prediction clustering algorithm that I developed. I also found that approximately 67% of the total variance of gene tree incongruence can be attributed to the short length of internodes and their localization near the root of the
phylogeny and approximately 17% to several functional gene factors such as GC content, codon bias and the number of variable sites per gene. Finally, I show that selection of highly supported gene trees or bipartitions are capable of significantly reducing gene-tree incongruence.
Advisors/Committee Members: Brian C. O’Meara (committee member), David E. McCauley (committee member), Seth R. Bordenstein (committee member), Patrick Abbot (Committee Chair).
Subjects/Keywords: evolution; phylogenetics; phylogeny; phylogenetic incongruence
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Salichos, L. (2014). Quantifying phylogenetic incongruence and identifying contributing factors in a yeast model clade. (Doctoral Dissertation). Vanderbilt University. Retrieved from http://hdl.handle.net/1803/13959
Chicago Manual of Style (16th Edition):
Salichos, Leonidas. “Quantifying phylogenetic incongruence and identifying contributing factors in a yeast model clade.” 2014. Doctoral Dissertation, Vanderbilt University. Accessed April 10, 2021.
http://hdl.handle.net/1803/13959.
MLA Handbook (7th Edition):
Salichos, Leonidas. “Quantifying phylogenetic incongruence and identifying contributing factors in a yeast model clade.” 2014. Web. 10 Apr 2021.
Vancouver:
Salichos L. Quantifying phylogenetic incongruence and identifying contributing factors in a yeast model clade. [Internet] [Doctoral dissertation]. Vanderbilt University; 2014. [cited 2021 Apr 10].
Available from: http://hdl.handle.net/1803/13959.
Council of Science Editors:
Salichos L. Quantifying phylogenetic incongruence and identifying contributing factors in a yeast model clade. [Doctoral Dissertation]. Vanderbilt University; 2014. Available from: http://hdl.handle.net/1803/13959

Texas A&M University
21.
Correa, Julian Eduardo.
Morphological Cladistic Analysis of the Cordaitean Cones and Implications for Plant Lineages.
Degree: MS, Geology, 2015, Texas A&M University
URL: http://hdl.handle.net/1969.1/155564
► The cordaiteans were a group of Carboniferous and Permian woody plants, which thrived in wetlands and thrived in wetlands and terra firma habitats. Cordaitean cones…
(more)
▼ The cordaiteans were a group of Carboniferous and Permian woody plants, which thrived in wetlands and thrived in wetlands and terra firma habitats. Cordaitean cones from wetland habitats are exquisitely well preserved and contain a suit of characters that make their fossils prime candidates for cladistic analysis; historically, there are more male cones than female cone. Cordaitean morphological characteristics make this clade a possible precursor lineage of modern conifer and gnetalean lineages. However, the exact relation between fossil seed-plant clades and modern gymnosperm groups remains enigmatic. The resent discovery of a bisexual cordaitean cone calls into question the relationship between cordaiteans, gnetaleans and angiosperms. This study performs three cladistics analyses in order to find the relations of taxa within the cordaitean clade and other early plant lineages using primarily PAUP* and TNT. An analysis of male only cones provides a phylogram for the relations between the corditean taxa; the results also suggest a bisexual ancestry for the clade. A second analysis attempted to introduce the morphologically distinct female cones; the results produce a similar strict consensus tree. However, many of the female cones do not pair with their associated male cones indentified in ‘whole-plant’ reconstructions of cordaitean lineages. Instead, female cones formed separate linages. A final analysis incorporated other plant lineages and assigned traits associated with seeds and pollen to both male and female cones. The results support an early bisexual ancestry to the cordaiteans, and suggests that the cordaiteans are a polyphylecit clade, which gave rise to the voltzialean-conifer lineage. Including more fossil taxa lineages may prove useful, as well as establishing other criteria to compare characters to taxa in cladistics analysis.
Advisors/Committee Members: Raymond, Anne (advisor), Woolley, James (committee member), Olszewski, Thomas D (committee member).
Subjects/Keywords: Cordaitean Plant Evolution Phylogeny Carboniferous
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Correa, J. E. (2015). Morphological Cladistic Analysis of the Cordaitean Cones and Implications for Plant Lineages. (Masters Thesis). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/155564
Chicago Manual of Style (16th Edition):
Correa, Julian Eduardo. “Morphological Cladistic Analysis of the Cordaitean Cones and Implications for Plant Lineages.” 2015. Masters Thesis, Texas A&M University. Accessed April 10, 2021.
http://hdl.handle.net/1969.1/155564.
MLA Handbook (7th Edition):
Correa, Julian Eduardo. “Morphological Cladistic Analysis of the Cordaitean Cones and Implications for Plant Lineages.” 2015. Web. 10 Apr 2021.
Vancouver:
Correa JE. Morphological Cladistic Analysis of the Cordaitean Cones and Implications for Plant Lineages. [Internet] [Masters thesis]. Texas A&M University; 2015. [cited 2021 Apr 10].
Available from: http://hdl.handle.net/1969.1/155564.
Council of Science Editors:
Correa JE. Morphological Cladistic Analysis of the Cordaitean Cones and Implications for Plant Lineages. [Masters Thesis]. Texas A&M University; 2015. Available from: http://hdl.handle.net/1969.1/155564
22.
Günal, Batıkan.
Türkiye Petrosimonia bunge türlerinin (Amaranthaceae) taksonomik revizyonu: The taxonomical revision of Petrosimonia bunge species (Amaranthaceae) in Turkey.
Degree: Fen Fakültesi, 2019, University of Ankara
URL: http://hdl.handle.net/20.500.12575/68634
► Bu çalışmanın amacı, Türkiye'de bulunan Petrosimonia Bunge (Amaranthaceae) türlerinin morfolojik, karyolojik ve moleküler filogenetik metodlar kullanılarak revizyonunun yapılmasıdır. Morfolojik çalışmalarda hem arazi çalışmalarıyla toplanan materyaller…
(more)
▼ Bu çalışmanın amacı, Türkiye'de bulunan Petrosimonia Bunge (Amaranthaceae) türlerinin morfolojik, karyolojik ve moleküler filogenetik metodlar kullanılarak revizyonunun yapılmasıdır. Morfolojik çalışmalarda hem arazi çalışmalarıyla toplanan materyaller hem de herbaryum örnekleri kullanılmıştır. Taksonlar için diagnostik karakterler belirlenmiş ve morfometrik ölçümler gerçekleştirilmiştir. Morfolojik incelemeler sonucunda Türkiye'de Petrosimonia cinsine ait toplam 4 türün varlığı teyit edilmiştir. Karyolojik çalışmalarda arazi çalışmalarıyla toplanan tohum örnekleri çimlendirilmiş ve kök uçlarından kromozom sayımı yapılmış ve görüntülenmiştir. Karyolojik çalışmalar sonucunda taksonların temel kromozom sayısının (x) türe bağlı olarak 7 ile 8 arasında değiştiği, tamamının diploid (2n) sitotipte olduğu belirlenmiş ve hiçbir taksonda poliploidiye rastlanmamıştır. Moleküler filogenetik araştırmalar için yaprak örneklerinin kloroplast genomunun kodlanmayan atpB-rbcL genler arası bölgesi çalışılmıştır. Analizler Maksimum Likelihood, Maksimum Parsimoni ve Bayesian metodları ile gerçekleştirilmiştir. Dış grup olarak Ofaiston monandrum tanımlanmıştır. Moleküler verinin incelenmesi sonucunda Petrosimonia cinsinin monofiletik bir grup olduğu belirlenmiştir. Bir sonraki çalışmalar için protein kodlayan bir gen bölgesinin çalışılmasını ve elde etmiş olduğumuz veriyle karşılaştırılmasını öneriyoruz.
The aim of this study is to do the revision of Petrosimonia Bunge (Amaranthaceae) found in Turkey by using morphological, karyological and molecular phylogenetic methods. In morphological studies herbarium specimens and samples collected by field studies were used. Diagnostic characters were determined for taxa and morphometric measurements were performed. Morphological analysis showed the presence of 4 taxa belonging to the genus Petrosimonia in Turkey. Seed samples collected by field studies were germinated for karyological studies and chromosomes were counted and visualized. As a result of the karyological studies, the basic chromosome number (x) of the taxa ranged from 7 to 8 depending on the species and all species were diploid (2n) cytotypes. For the molecular phylogenetic research, the non-coding atpB-rbcL intergenic region of the chloroplast genome were studied. Analyzes were performed with Maximum Likelihood, Maximum Parsimony and Bayesian methods. Ofaiston monandrum were determineted as an out-group. As a result of the molecular phylogenetic analyzing, Petrosimonia was determined a monophyletic group. In the next studies, we recommend that studying a protein-encoding gene region and comparing it with the data we have obtained.
Advisors/Committee Members: Yaprak, Ahmet Emre (advisor).
Subjects/Keywords: Filogeni; kloroplast; Petrosimonia; Phylogeny; chloroplast
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Günal, B. (2019). Türkiye Petrosimonia bunge türlerinin (Amaranthaceae) taksonomik revizyonu: The taxonomical revision of Petrosimonia bunge species (Amaranthaceae) in Turkey. (Masters Thesis). University of Ankara. Retrieved from http://hdl.handle.net/20.500.12575/68634
Chicago Manual of Style (16th Edition):
Günal, Batıkan. “Türkiye Petrosimonia bunge türlerinin (Amaranthaceae) taksonomik revizyonu: The taxonomical revision of Petrosimonia bunge species (Amaranthaceae) in Turkey.” 2019. Masters Thesis, University of Ankara. Accessed April 10, 2021.
http://hdl.handle.net/20.500.12575/68634.
MLA Handbook (7th Edition):
Günal, Batıkan. “Türkiye Petrosimonia bunge türlerinin (Amaranthaceae) taksonomik revizyonu: The taxonomical revision of Petrosimonia bunge species (Amaranthaceae) in Turkey.” 2019. Web. 10 Apr 2021.
Vancouver:
Günal B. Türkiye Petrosimonia bunge türlerinin (Amaranthaceae) taksonomik revizyonu: The taxonomical revision of Petrosimonia bunge species (Amaranthaceae) in Turkey. [Internet] [Masters thesis]. University of Ankara; 2019. [cited 2021 Apr 10].
Available from: http://hdl.handle.net/20.500.12575/68634.
Council of Science Editors:
Günal B. Türkiye Petrosimonia bunge türlerinin (Amaranthaceae) taksonomik revizyonu: The taxonomical revision of Petrosimonia bunge species (Amaranthaceae) in Turkey. [Masters Thesis]. University of Ankara; 2019. Available from: http://hdl.handle.net/20.500.12575/68634

University of Guelph
23.
Kits, Joel.
Systematics of the Archiborborinae (Diptera: Sphaeroceridae).
Degree: PhD, Department of Environmental Biology, 2011, University of Guelph
URL: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/3049
► The Archiborborinae comprise a diverse clade of flies in the family Sphaeroceridae. This thesis presents the first phylogenetic analysis and a thorough taxonomic revision of…
(more)
▼ The Archiborborinae comprise a diverse clade of flies in the family Sphaeroceridae. This thesis presents the first phylogenetic analysis and a thorough taxonomic revision of the subfamily. The phylogenetic revision includes morphological data from all species, and molecular data from a subset of 21 ingroup species. Although the group here treated as the Archiborborinae has been traditionally treated as a tribe within the subfamily Copromyzinae, analysis of morphological, molecular, and combined datasets supports the monophyly of the Archiborborinae and shows that the Archiborborinae and Copromyzinae are not sister taxa. The Copromyzinae are more closely related to the Sphaerocerinae and possibly to the enigmatic genus Pycnopota than they are to the Archiborborinae. The elevation of the clade to subfamily rank is supported on the basis of this evidence. Basal relationships within the Archiborborinae are difficult to resolve, but the phylogenetic evidence generally supports a division of the subfamily into the following 8 genera: Antrops Enderlein 1909, Penola Richards 1941, Frutillaria Richards 1961, Boreantrops gen. nov., Coloantrops gen. nov., Maculantrops gen. nov., Photantrops gen. nov., and Poecilantrops gen. nov. The genus Archiborborus, until recently a paraphyletic assemblage including most of the described species in the subfamily, is treated as a junior synonym of Antrops (syn. nov.) All genera are described and a generic key is provided. A total of 122 species, including 25 previously described and 89 new, are fully described and illustrated; another 8 new species are diagnosed but not formally named.
Advisors/Committee Members: Marshall, Stephen (advisor).
Subjects/Keywords: taxonomy; phylogeny; new species; Neotropics
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Kits, J. (2011). Systematics of the Archiborborinae (Diptera: Sphaeroceridae). (Doctoral Dissertation). University of Guelph. Retrieved from https://atrium.lib.uoguelph.ca/xmlui/handle/10214/3049
Chicago Manual of Style (16th Edition):
Kits, Joel. “Systematics of the Archiborborinae (Diptera: Sphaeroceridae).” 2011. Doctoral Dissertation, University of Guelph. Accessed April 10, 2021.
https://atrium.lib.uoguelph.ca/xmlui/handle/10214/3049.
MLA Handbook (7th Edition):
Kits, Joel. “Systematics of the Archiborborinae (Diptera: Sphaeroceridae).” 2011. Web. 10 Apr 2021.
Vancouver:
Kits J. Systematics of the Archiborborinae (Diptera: Sphaeroceridae). [Internet] [Doctoral dissertation]. University of Guelph; 2011. [cited 2021 Apr 10].
Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/3049.
Council of Science Editors:
Kits J. Systematics of the Archiborborinae (Diptera: Sphaeroceridae). [Doctoral Dissertation]. University of Guelph; 2011. Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/3049

Oregon State University
24.
Platt, Jamie L.
Lichens, earth tongues, and endophytes: evolutionary patterns inferred from phylogenetic analyses of multiple loci.
Degree: PhD, Molecular and Cellular Biology, 1999, Oregon State University
URL: http://hdl.handle.net/1957/33058
Subjects/Keywords: Helotiales – Phylogeny
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Platt, J. L. (1999). Lichens, earth tongues, and endophytes: evolutionary patterns inferred from phylogenetic analyses of multiple loci. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/33058
Chicago Manual of Style (16th Edition):
Platt, Jamie L. “Lichens, earth tongues, and endophytes: evolutionary patterns inferred from phylogenetic analyses of multiple loci.” 1999. Doctoral Dissertation, Oregon State University. Accessed April 10, 2021.
http://hdl.handle.net/1957/33058.
MLA Handbook (7th Edition):
Platt, Jamie L. “Lichens, earth tongues, and endophytes: evolutionary patterns inferred from phylogenetic analyses of multiple loci.” 1999. Web. 10 Apr 2021.
Vancouver:
Platt JL. Lichens, earth tongues, and endophytes: evolutionary patterns inferred from phylogenetic analyses of multiple loci. [Internet] [Doctoral dissertation]. Oregon State University; 1999. [cited 2021 Apr 10].
Available from: http://hdl.handle.net/1957/33058.
Council of Science Editors:
Platt JL. Lichens, earth tongues, and endophytes: evolutionary patterns inferred from phylogenetic analyses of multiple loci. [Doctoral Dissertation]. Oregon State University; 1999. Available from: http://hdl.handle.net/1957/33058

Oregon State University
25.
Humpert, Andrea J.
Systematics of the genus Ramaria inferred from nuclear large subunit and mitochondrial small subunit ribosomal DNA sequences.
Degree: MS, Botany and Plant Pathology, 1999, Oregon State University
URL: http://hdl.handle.net/1957/33357
► Ramaria is a genus of epigeous fungi common to the coniferous forests of the Pacific Northwest of North America. The extensively branched basidiocarps and the…
(more)
▼ Ramaria is a genus of epigeous fungi common to the coniferous forests of the Pacific Northwest of North America. The extensively branched basidiocarps and the positive chemical reaction of the context in ferric sulfate are distinguishing characteristics of the genus. The genus is estimated to contain between 200-300 species and is divided into four subgenera, i.) R. subgenus Ramaria, ii.) R. subgenus Laeticolora, iii.) R. subgenus Lentoramaria and iv.) R. subgenus Echinoramaria, according to macroscopic,
microscopic and macrochemical characters. The systematics of Ramaria is
problematic and confounded by intraspecific and possibly ontogenetic
variation in several morphological traits. To test generic and intrageneric
taxonomic classifications, two gene regions were sequenced and subjected
to maximum parsimony analyses. The nuclear large subunit ribosomal DNA
(nuc LSU rDNA) was used to test and refine generic, subgeneric and
selected species concepts of Ramaria and the mitochondrial small subunit
ribosomal DNA (mt SSU rDNA) was used as an independent locus to test the monophyly of Ramaria. Cladistic analyses of both loci indicated that Ramaria is paraphyletic due to several non-ramarioid taxa nested within the genus including Clavariadelphus, Gautieria, Gomphus and Kavinia. In the nuc LSU rDNA analyses, R. subgenus Ramaria species formed a monophyletic Glade and were indicated for the first time to be a sister group to Gautieria. Ramaria subgenus Ramaria and Gautieria were derived from R. subgenus
Laeticolora, which formed a paraphyletic grade that included Gomphus.
Ramaria subgenus Lentoramaria species also formed a paraphyletic grade
in the nuc LSU rDNA analyses. The Phallales and Clavariadelphus were
indicated as sister taxa to the R. stricta complex and Kavinia and R. abietina
of R. subgenus Echinoramaria grouped with the basal species, R. pinicola, of
R. subgenus Lentoramaria. In the mt SSU rDNA analyses, Gautieria and Gomphus again nested within Ramaria; however, the Phallales were indicated as a sister taxon to the Gomphales. A single evolutionary origin of the terrestrial habit was inferred for Ramaria with the terrestrial species, R. rainierensis, bridging the gap between the lignicolous R. subgenus Lentoramaria and the terrestrial R. subgenus Laeticolora. Species concepts tested included R. amyloidea and R. celerivirescens both of R. subgenus Laeticolora that differ primarily in the presence of clamp connections. The results supported these two taxa as distinct, sister species. These analyses were consistent with the ramarioid morphology as ancestral for the Gomphales with unique derivations of the club, false truffle and gomphoid morphologies.
Advisors/Committee Members: Spatafora, Joseph W. (advisor), Castellano, Michael (committee member).
Subjects/Keywords: Ramaria – Phylogeny
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Humpert, A. J. (1999). Systematics of the genus Ramaria inferred from nuclear large subunit and mitochondrial small subunit ribosomal DNA sequences. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/33357
Chicago Manual of Style (16th Edition):
Humpert, Andrea J. “Systematics of the genus Ramaria inferred from nuclear large subunit and mitochondrial small subunit ribosomal DNA sequences.” 1999. Masters Thesis, Oregon State University. Accessed April 10, 2021.
http://hdl.handle.net/1957/33357.
MLA Handbook (7th Edition):
Humpert, Andrea J. “Systematics of the genus Ramaria inferred from nuclear large subunit and mitochondrial small subunit ribosomal DNA sequences.” 1999. Web. 10 Apr 2021.
Vancouver:
Humpert AJ. Systematics of the genus Ramaria inferred from nuclear large subunit and mitochondrial small subunit ribosomal DNA sequences. [Internet] [Masters thesis]. Oregon State University; 1999. [cited 2021 Apr 10].
Available from: http://hdl.handle.net/1957/33357.
Council of Science Editors:
Humpert AJ. Systematics of the genus Ramaria inferred from nuclear large subunit and mitochondrial small subunit ribosomal DNA sequences. [Masters Thesis]. Oregon State University; 1999. Available from: http://hdl.handle.net/1957/33357

Oregon State University
26.
Meléndez, Roberto C.
Phylogeny and zoogeography of Laemonema (Pisces; Gadiformes; Moridae).
Degree: PhD, Fisheries Science, 1995, Oregon State University
URL: http://hdl.handle.net/1957/34804
Subjects/Keywords: Moridae – Phylogeny
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Meléndez, R. C. (1995). Phylogeny and zoogeography of Laemonema (Pisces; Gadiformes; Moridae). (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/34804
Chicago Manual of Style (16th Edition):
Meléndez, Roberto C. “Phylogeny and zoogeography of Laemonema (Pisces; Gadiformes; Moridae).” 1995. Doctoral Dissertation, Oregon State University. Accessed April 10, 2021.
http://hdl.handle.net/1957/34804.
MLA Handbook (7th Edition):
Meléndez, Roberto C. “Phylogeny and zoogeography of Laemonema (Pisces; Gadiformes; Moridae).” 1995. Web. 10 Apr 2021.
Vancouver:
Meléndez RC. Phylogeny and zoogeography of Laemonema (Pisces; Gadiformes; Moridae). [Internet] [Doctoral dissertation]. Oregon State University; 1995. [cited 2021 Apr 10].
Available from: http://hdl.handle.net/1957/34804.
Council of Science Editors:
Meléndez RC. Phylogeny and zoogeography of Laemonema (Pisces; Gadiformes; Moridae). [Doctoral Dissertation]. Oregon State University; 1995. Available from: http://hdl.handle.net/1957/34804

Oregon State University
27.
Kepler, Ryan M.
Advances in molecular systematics of clavicipitaceous fungi (Sordariomycetes: Hypocreales).
Degree: PhD, Botany and Plant Pathology, 2010, Oregon State University
URL: http://hdl.handle.net/1957/19589
► Historical concepts of Clavicipitaceae have included a broad range of species that display diverse morphologies, ecological modes and host associations. When subjected to multigene phylogenetic…
(more)
▼ Historical concepts of Clavicipitaceae have included a broad range of species that display diverse morphologies, ecological modes and host associations. When subjected to multigene phylogenetic investigation of evolutionary history, the family was found to be polyphyletic, largely driven by diversity in the genus Cordyceps, previously containing over 400 taxa. The majority of Cordyceps sensu lato now resides in the families Cordycipitaceae, for which the genus Cordyceps has been retained owing to the placement of the type C. militaris, and the genera Ophiocordyceps and Elaphocordyceps in Ophiocordycipitaceae. The genus Metacordyceps was defined for species of Cordyceps remaining in Clavicipitaceae sensu stricto and contains relatively few species owing to convergent morphologies. Clavicipitaceae remains considerably diverse and its members attack hosts across three kingdoms of life, including insects and rotifers, plants and other fungi. There remains a significant number of Cordyceps species for which molecular or morphological data are insufficient, and are therefore considered incertae sedis with
regards to family until new material is available for examination. This work expands the sampling of taxa in Clavicipitaceae sensu lato for inclusion in phylogenetic reconstruction, with particular emphasis on residual species of Cordyceps. The resulting phylogenies were then used to refine concepts morphological features that define boundaries between taxa and explore the evolution of host association, morphology and ecology with ancestral character-state reconstruction.
Taxon sampling was increased by extensive field collections and collaborations with other researchers. The diversity present in newly acquired specimens represents all three pathogen groups. The inclusion of these taxa in a five-gene dataset (nrSSU, nrLSU, TEF, RPB1, RPB2) advances understanding of systematic relationships within Clavicipitaceae. Molecular data supports the movement of seven species from Cordyceps sensu lato to Metacordyceps, doubling the number of species known for the genus. The addition of new species reveals significant structure within the genus and allows for a reevaluation and strengthening of morphological concepts attributed to the genus. A clade of species sister to Clavicipitaceae was identified as Veterocordyceps gen. nov. This finding provides clarity to the results of previous workers who considered species in the genus as members of Ophiocordyceps based on morphological data and a more limited molecular dataset. Cordyceps fratricida, a pathogen of ergot, and the rice pathogen Ustilaginoidea virens were placed phylogenetically within Clavicipitaceae. The genus Tyrranocordyceps gen. nov. was established for fungal pathogens that attack closely related species of ergot. Tyrranocordyceps represents a sexual state for a clade of
fungal pathogens known only from asexual states. Ustilaginoidea virens was found to occupy a separate lineage of plant pathogens, representing a third clade of clavicipitaceous fungi deriving their…
Advisors/Committee Members: Spatafora, Joseph W. (advisor), Muir, Patricia (committee member).
Subjects/Keywords: Fungi; Hypocreales – Phylogeny – Molecular aspects
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Kepler, R. M. (2010). Advances in molecular systematics of clavicipitaceous fungi (Sordariomycetes: Hypocreales). (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/19589
Chicago Manual of Style (16th Edition):
Kepler, Ryan M. “Advances in molecular systematics of clavicipitaceous fungi (Sordariomycetes: Hypocreales).” 2010. Doctoral Dissertation, Oregon State University. Accessed April 10, 2021.
http://hdl.handle.net/1957/19589.
MLA Handbook (7th Edition):
Kepler, Ryan M. “Advances in molecular systematics of clavicipitaceous fungi (Sordariomycetes: Hypocreales).” 2010. Web. 10 Apr 2021.
Vancouver:
Kepler RM. Advances in molecular systematics of clavicipitaceous fungi (Sordariomycetes: Hypocreales). [Internet] [Doctoral dissertation]. Oregon State University; 2010. [cited 2021 Apr 10].
Available from: http://hdl.handle.net/1957/19589.
Council of Science Editors:
Kepler RM. Advances in molecular systematics of clavicipitaceous fungi (Sordariomycetes: Hypocreales). [Doctoral Dissertation]. Oregon State University; 2010. Available from: http://hdl.handle.net/1957/19589

Oregon State University
28.
Johnson, Desiree M.
Systematics of the genus Torrubiella.
Degree: MS, Botany and Plant Pathology, 2006, Oregon State University
URL: http://hdl.handle.net/1957/22782
Subjects/Keywords: Torrubiella – Phylogeny
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Johnson, D. M. (2006). Systematics of the genus Torrubiella. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/22782
Chicago Manual of Style (16th Edition):
Johnson, Desiree M. “Systematics of the genus Torrubiella.” 2006. Masters Thesis, Oregon State University. Accessed April 10, 2021.
http://hdl.handle.net/1957/22782.
MLA Handbook (7th Edition):
Johnson, Desiree M. “Systematics of the genus Torrubiella.” 2006. Web. 10 Apr 2021.
Vancouver:
Johnson DM. Systematics of the genus Torrubiella. [Internet] [Masters thesis]. Oregon State University; 2006. [cited 2021 Apr 10].
Available from: http://hdl.handle.net/1957/22782.
Council of Science Editors:
Johnson DM. Systematics of the genus Torrubiella. [Masters Thesis]. Oregon State University; 2006. Available from: http://hdl.handle.net/1957/22782

University of Toronto
29.
Janzen, Francesco Heinrich.
Molecular Phylogeny of the Neotropical Knifefishes of the Order Gymnotiformes (Actinopterygii).
Degree: 2016, University of Toronto
URL: http://hdl.handle.net/1807/80484
► The order Gymnotiformes, the Neotropical electric knifefishes, is comprised of 200+ species divided into the families Apteronotidae, Gymnotidae, Hypopomidae, Rhamphichthyidae, and Sternopygidae. These species inhabit…
(more)
▼ The order Gymnotiformes, the Neotropical electric knifefishes, is comprised of 200+ species divided into the families Apteronotidae, Gymnotidae, Hypopomidae, Rhamphichthyidae, and Sternopygidae. These species inhabit a variety of freshwater habitats throughout Central and South America. To date, attempts at resolving the internal relationships of Gymnotiformes have yet to produce an unambiguous species-level phylogeny. In order to resolve the phylogeny, I collected molecular data from seven nuclear and two mitochondrial genes for 197 species and performed parsimony and Bayesian phylogenetic analyses. All families were recovered as monophyletic with the exception of Gymnotidae; the electric eel Electrophorus, previously considered a member of this family, was instead found to be sister to all other Gymnotiformes. The topologies resulting from this study provide a highly-resolved species phylogeny which will form the basis for future studies of species diversification and ecological and evolutionary patterns.
M.Sc.
2017-12-06 00:00:00
Advisors/Committee Members: Lovejoy, Nathan R., Ecology and Evolutionary Biology.
Subjects/Keywords: Evolution; Gymnotiformes; Phylogeny; Systematics; 0423
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Janzen, F. H. (2016). Molecular Phylogeny of the Neotropical Knifefishes of the Order Gymnotiformes (Actinopterygii). (Masters Thesis). University of Toronto. Retrieved from http://hdl.handle.net/1807/80484
Chicago Manual of Style (16th Edition):
Janzen, Francesco Heinrich. “Molecular Phylogeny of the Neotropical Knifefishes of the Order Gymnotiformes (Actinopterygii).” 2016. Masters Thesis, University of Toronto. Accessed April 10, 2021.
http://hdl.handle.net/1807/80484.
MLA Handbook (7th Edition):
Janzen, Francesco Heinrich. “Molecular Phylogeny of the Neotropical Knifefishes of the Order Gymnotiformes (Actinopterygii).” 2016. Web. 10 Apr 2021.
Vancouver:
Janzen FH. Molecular Phylogeny of the Neotropical Knifefishes of the Order Gymnotiformes (Actinopterygii). [Internet] [Masters thesis]. University of Toronto; 2016. [cited 2021 Apr 10].
Available from: http://hdl.handle.net/1807/80484.
Council of Science Editors:
Janzen FH. Molecular Phylogeny of the Neotropical Knifefishes of the Order Gymnotiformes (Actinopterygii). [Masters Thesis]. University of Toronto; 2016. Available from: http://hdl.handle.net/1807/80484

University of Toronto
30.
Green, Marc.
Molecular Phylogeny of the Snake Genus Oligodon (Serpentes: Colubridae), with an Annotated Checklist and Key.
Degree: 2010, University of Toronto
URL: http://hdl.handle.net/1807/24575
► The snake genus Oligodon, known for its egg-eating feeding behaviour, is a taxonomically and systematically challenging group from South and Southeast Asia. This work provides…
(more)
▼ The snake genus Oligodon, known for its egg-eating feeding behaviour, is a taxonomically and systematically challenging group from South and Southeast Asia. This work provides the first phylogenetic hypothesis for the genus, and includes a checklist and key to the species. I use approximately 1900 base pairs of mitochondrial DNA sequence data to infer the relationships of these snakes, and I examine congruence between the molecular phylogeny and hemipenial characters. A hypothesis for the position of Oligodon within the Colubridae is also proposed. I discuss the implications of the phylogeny for previous taxonomic groupings, and consider the usefulness of the trees in analysis of behaviour and biogeography.
MAST
Advisors/Committee Members: Murphy, Robert W., Ecology and Evolutionary Biology.
Subjects/Keywords: Evolutionary Biology; Phylogeny; Oligodon; 0472
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share





❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Green, M. (2010). Molecular Phylogeny of the Snake Genus Oligodon (Serpentes: Colubridae), with an Annotated Checklist and Key. (Masters Thesis). University of Toronto. Retrieved from http://hdl.handle.net/1807/24575
Chicago Manual of Style (16th Edition):
Green, Marc. “Molecular Phylogeny of the Snake Genus Oligodon (Serpentes: Colubridae), with an Annotated Checklist and Key.” 2010. Masters Thesis, University of Toronto. Accessed April 10, 2021.
http://hdl.handle.net/1807/24575.
MLA Handbook (7th Edition):
Green, Marc. “Molecular Phylogeny of the Snake Genus Oligodon (Serpentes: Colubridae), with an Annotated Checklist and Key.” 2010. Web. 10 Apr 2021.
Vancouver:
Green M. Molecular Phylogeny of the Snake Genus Oligodon (Serpentes: Colubridae), with an Annotated Checklist and Key. [Internet] [Masters thesis]. University of Toronto; 2010. [cited 2021 Apr 10].
Available from: http://hdl.handle.net/1807/24575.
Council of Science Editors:
Green M. Molecular Phylogeny of the Snake Genus Oligodon (Serpentes: Colubridae), with an Annotated Checklist and Key. [Masters Thesis]. University of Toronto; 2010. Available from: http://hdl.handle.net/1807/24575
◁ [1] [2] [3] [4] [5] … [67] ▶
.