Thèses sur le sujet « Phylogenesi »
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Höhna, Sebastian. « Bayesian Phylogenetic Inference : Estimating Diversification Rates from Reconstructed Phylogenies ». Doctoral thesis, Stockholms universitet, Matematiska institutionen, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-95361.
Texte intégralAt the time of the doctoral defense, the following papers were unpublished and had a status as follows: Paper 1: Manuscript. Paper 4: Accepted.
Ross, Edith. « Inferring tumour evolution from single-cell and multi-sample data ». Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/274604.
Texte intégralHamberg, Erlend Heggheim. « Inferring Phylogenies Using Evolutionary Algorithms : A maximum likelihood approach for constructing phylogenetic trees from molecular data ». Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for datateknikk og informasjonsvitenskap, 2011. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-13687.
Texte intégralRoeser-Mueller, Kerstin [Verfasser], Erhard [Akademischer Betreuer] Strohm et Christoph [Akademischer Betreuer] Oberprieler. « Phylogenies and pheromones - Defensive symbionts, phylogenetic affiliations and olfactory communication in beewolves (Philanthini, Hymenoptera, Crabronidae) / Kerstin Roeser-Mueller. Betreuer : Erhard Strohm ; Christoph Oberprieler ». Regensburg : Universitätsbibliothek Regensburg, 2012. http://d-nb.info/1033688363/34.
Texte intégralMarchiselli, Simone. « Molecular phylogenesis of Mediterranean Octocorals ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amslaurea.unibo.it/4905/.
Texte intégralMecham, Jesse L. « Jumpstarting phylogenetic searches / ». Diss., CLICK HERE for online access, 2006. http://contentdm.lib.byu.edu/ETD/image/etd1403.pdf.
Texte intégralMcHugh, Sean W. « Phylogenetic Niche Modeling ». Thesis, Virginia Tech, 2021. http://hdl.handle.net/10919/104893.
Texte intégralMaster of Science
As many species face increasing pressure in a changing climate, it is crucial to understand the set of environmental conditions that shape species' ranges--known as the environmental niche--to guide conservation and land management practices. Species distribution models (SDMs) are common tools that are used to model species' environmental niche. These models treat a species' probability of occurrence as a function of environmental conditions. SDM niche estimates can predict a species' range given climate data, paleoclimate, or projections of future climate change to estimate species range shifts from the past to the future. However, SDM estimates are often biased by non-environmental factors shaping a species' range including competitive divergence or dispersal barriers. Biased SDM estimates can result in range predictions that get worse as we extrapolate beyond the observed climatic conditions. One way to overcome these biases is by leveraging the shared evolutionary history amongst related species to "fill in the gaps". Species that are more closely phylogenetically related often have more similar or "conserved" environmental niches. By estimating environmental niche over all species in a clade jointly, we can leverage niche conservatism to produce more biologically realistic estimates of niche. However, currently a methodological gap exists between SDMs estimates and macroevolutionary models, prohibiting them from being estimated jointly. We propose a novel model of evolutionary niche called PhyNE (Phylogenetic Niche Evolution), where biologically realistic environmental niches are fit across a set of species with occurrence data, while simultaneously fitting and leveraging a model of evolution across a portion of the tree of life. We evaluated model accuracy, bias, and precision through simulation analyses. Accuracy and precision increased with larger phylogeny size and effectively estimated model parameters. We then applied PhyNE to Plethodontid salamanders from Eastern North America. This ecologically-important and diverse group of lungless salamanders require cold and wet conditions and have distributions that are strongly affected by climatic conditions. Species within the family vary greatly in distribution, with some species being wide ranging generalists, while others are hyper-endemics that inhabit specific mountains in the Southern Appalachians with restricted thermal and hydric conditions. We fit PhyNE to occurrence data for these species and their associated average annual precipitation and temperature data. We identified no correlations between species environmental preference and specialization. Pattern of preference and specialization varied among Plethodontid species groups, with more aquatic species possessing a broader environmental niche, likely due to the aquatic microclimate facilitating occurrence in a wider range of conditions. We demonstrated the effectiveness of PhyNE's evolutionarily-informed estimates of environmental niche, even when species' occurrence data is limited or even absent. PhyNE establishes a proof-of-concept framework for a new class of approaches for studying niche evolution, including improved methods for estimating niche for data-deficient species, historical reconstructions, future predictions under climate change, and evaluation of niche evolutionary processes across the tree of life. Our approach establishes a framework for leveraging the rapidly growing availability of biodiversity data and molecular phylogenies to make robust eco-evolutionary predictions and assessments of species' niche and distributions in a rapidly changing world.
Mecham, Jesse Lewis. « Jumpstarting Phylogenetic Searches ». BYU ScholarsArchive, 2006. https://scholarsarchive.byu.edu/etd/483.
Texte intégralKrig, Kåre. « Methods for phylogenetic analysis ». Thesis, Linköping University, Department of Mathematics, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-56814.
Texte intégralIn phylogenetic analysis one study the relationship between different species. By comparing DNA from two different species it is possible to get a numerical value representing the difference between the species. For a set of species, all pair-wise comparisons result in a dissimilarity matrix d.
In this thesis I present a few methods for constructing a phylogenetic tree from d. The common denominator for these methods is that they do not generate a tree, but instead give a connected graph. The resulting graph will be a tree, in areas where the data perfectly matches a tree. When d does not perfectly match a tree, the resulting graph will instead show the different possible topologies, and how strong support they have from the data.
Finally I have tested the methods both on real measured data and constructed test cases.
Pardi, Fabio. « Algorithms on phylogenetic trees ». Thesis, University of Cambridge, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.611685.
Texte intégralWang, Min-Hui. « Classification using phylogenetic trees / ». The Ohio State University, 1999. http://rave.ohiolink.edu/etdc/view?acc_num=osu1488190595939375.
Texte intégralSundberg, Kenneth A. « Partition Based Phylogenetic Search ». BYU ScholarsArchive, 2010. https://scholarsarchive.byu.edu/etd/2583.
Texte intégralHansen, Michael. « Algebra and Phylogenetic Trees ». Scholarship @ Claremont, 2007. https://scholarship.claremont.edu/hmc_theses/194.
Texte intégralMöller, Anke. « Die Phylogenese der Sprache und ihre Echos ». [S.l. : s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=965487768.
Texte intégralArvestad, Isaac, et Henrik Lagebrand. « Implementing Bayesian phylogenetic tree inference with Sequential Monte Carlo and the Phylogenetic Likelihood Library ». Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-229429.
Texte intégralVi undersöker om programspråksbiblioteket Phylogenetic Likelihood Library (PLL) kan användas för bayesiansk inferens av phylogenetiska träd med en sekventiell Monte Carlo-metod (SMC). Genom att implementera algoritmen med två olika delar av PLL:s programmeringsgränssnitt visar vi att det går att använda PLL för att implementera SMC-algoritmen men att det är oklart om det huvudsakliga programmeringsgränssnittet är lämpligt.
Fleissner, Roland. « Sequence alignment and phylogenetic inference ». Berlin : Logos Verlag, 2004. http://diss.ub.uni-duesseldorf.de/ebib/diss/file?dissid=769.
Texte intégralRehmsmeier, Marc. « Database searching with phylogenetic trees ». [S.l.] : [s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=963977423.
Texte intégralDeepak, Akshay. « SearchTree mining robust phylogenetic trees / ». [Ames, Iowa : Iowa State University], 2010. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1476290.
Texte intégralHaber, Matthew Horace. « The centrality of phylogenetic thinking / ». For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2005. http://uclibs.org/PID/11984.
Texte intégralSchmidt, Heiko A. « Phylogenetic trees from large datasets ». [S.l. : s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=968534945.
Texte intégralFleissner, Roland. « Sequence alignment and phylogenetic inference ». [S.l. : s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=971844704.
Texte intégralGottschling, Marc. « Phylogenetic analysis of selected Boraginales ». [S.l. : s.n.], 2003. http://www.diss.fu-berlin.de/2003/30/index.html.
Texte intégralAnderson, Cajsa Lisa. « Dating Divergence Times in Phylogenies ». Doctoral thesis, Uppsala University, Department of Evolution, Genomics and Systematics, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-8155.
Texte intégralThis thesis concerns different aspects of dating divergence times in phylogenetic trees, using molecular data and multiple fossil age constraints.
Datings of phylogenetically basal eudicots, monocots and modern birds (Neoaves) are presented. Large phylograms and multiple fossil constraints were used in all these studies. Eudicots and monocots are suggested to be part of a rapid divergence of angiosperms in the Early Cretaceous, with most families present at the Cretaceous/Tertiary boundary. Stem lineages of Neoaves were present in the Late Cretaceous, but the main divergence of extant families took place around the Cre-taceous/Tertiary boundary.
A novel method and computer software for dating large phylogenetic trees, PATHd8, is presented. PATHd8 is a nonparametric smoothing method that smoothes one pair of sister groups at a time, by taking the mean of the added branch lengths from a terminal taxon to a node. Because of the local smoothing, the algorithm is simple, hence providing stable and very fast analyses, allowing for thousands of taxa and an arbitrary number of age constraints.
The importance of fossil constraints and their placement are discussed, and concluded to be the most important factor for obtaining reasonable age estimates.
Different dating methods are compared, and it is concluded that differences in age estimates are obtained from penalized likelihood, PATHd8, and the Bayesian autocorrelation method implemented in the multidivtime program. In the Bayesian method, prior assumptions about evolutionary rate at the root, rate variance and the level of rate smoothing between internal edges, are suggested to influence the results.
Collins, Joshua Stewart. « Rekernelisation Algorithms in Hybrid Phylogenies ». Thesis, University of Canterbury. Mathematics and Statistics, 2009. http://hdl.handle.net/10092/2852.
Texte intégralHögnabba, Filip. « Phylogenetic studies of cyanobacterial lichens / ». Helsinki : Yliopistopaino, 2007. http://ethesis.helsinki.fi.
Texte intégralRydin, Catarina. « The Gnetales : fossils and phylogenies / ». Stockholm : Department of Botany, Stockholm University, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-488.
Texte intégralRoos, Marinus Cornelis. « Phylogenetic systematics of the Drynarioideae / ». Amsterdam [u.a.] : North-Holland, 1985. http://www.gbv.de/dms/bs/toc/013141155.pdf.
Texte intégralJetté, Migüel. « Reconstructing functions on phylogenetic trees ». Thesis, McGill University, 2006. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=99187.
Texte intégralRyder, Robin Jeremy. « Phylogenetic models of language diversification ». Thesis, University of Oxford, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.543009.
Texte intégralStolzer, Maureen. « Phylogenetic Inference for Multidomain Proteins ». Research Showcase @ CMU, 2011. http://repository.cmu.edu/dissertations/47.
Texte intégralGoodall-Copestake, William Paul. « Framework phylogenies for the begoniaceae ». Thesis, University of Glasgow, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.439253.
Texte intégralWelbourn, Warren Calvin. « Phylogenetic studies of trombidioid mites / ». The Ohio State University, 1985. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487262825074137.
Texte intégralKashiwada, Akemi. « Constructing Phylogenetic Trees from Subsplits ». Scholarship @ Claremont, 2005. https://scholarship.claremont.edu/hmc_theses/171.
Texte intégralHawarden-Lord, Andrew Sinclair. « Organisational phylogenesis : developing and evaluating a memetic methodology ». Thesis, Sheffield Hallam University, 2004. http://shura.shu.ac.uk/19772/.
Texte intégralSoccol, Vanete Thomaz. « Les Leishmania du Nouveau monde : analyse enzymatique, démarche progressive phénétique-cladistique, relations phylogénétiques avec les Leishmania de l'Ancien monde ». Montpellier 1, 1993. http://www.theses.fr/1993MON1T002.
Texte intégralRossetti, Yves. « Variations annuelles des donnees psychopathologiques et physiologiques humaines : description phylogenetique et mecanismes de regulation ». Lyon 1, 1990. http://www.theses.fr/1990LYO1M099.
Texte intégralDe, Franceschi Dario. « Phylogénie des Ebénales : analyse de l'ordre et origine biogéographique des espèces indiennes / ». Pondichéry : Institut français de Pondichéry, 1993. http://catalogue.bnf.fr/ark:/12148/cb357117417.
Texte intégralPorter, Megan L. « Crustacean phylogenetic systematics and opsin evolution ». Diss., CLICK HERE for online access, 2005. http://contentdm.lib.byu.edu/ETD/image/etd859.pdf.
Texte intégralOldman, James. « Constructing phylogenetic networks based on trinets ». Thesis, University of East Anglia, 2015. https://ueaeprints.uea.ac.uk/59446/.
Texte intégralFischer, Mareike. « Novel Mathematical Aspects of Phylogenetic Estimation ». Thesis, University of Canterbury. Mathematics and Statistics, 2009. http://hdl.handle.net/10092/2331.
Texte intégralKeivany, Yazdan. « Phylogenetic relationships of Gasterosteiformes (Teleostei, Percomorpha) ». Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ59608.pdf.
Texte intégralHabib, Farhat Abbas. « Genotype-phenotype correlation using phylogenetic trees ». Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1187297400.
Texte intégralFuentes, Carvajal Andreina. « Phylogenetic relationships within Coleeae (Bignoniaceae juss.) ». Click here to access thesis, 2007. http://www.georgiasouthern.edu/etd/archive/fall2007/carvajal_a_fuentes/carvajal_andreina_f_200708_MS.pdf.
Texte intégral"A thesis submitted to the Graduate Faculty of Georgia Southern University in partial fulfillment of the requirements for the degree Master of Science." In Biology, under the direction of Michelle Zjhra. ETD. Electronic version approved: December 2007. Includes bibliographical references (p. 38-42)
Ababneh, Faisal. « Models and estimation for phylogenetic trees / ». Connect to full text, 2006. http://hdl.handle.net/2123/927.
Texte intégralCho, Anna. « Constructing Phylogenetic Trees Using Maximum Likelihood ». Scholarship @ Claremont, 2012. http://scholarship.claremont.edu/scripps_theses/46.
Texte intégralMooers, Arnie Øyvind. « Patterns of diversification revealed by phylogenies ». Thesis, University of Oxford, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386648.
Texte intégralWu, Qiong. « Phylogenetic Networks : New Constructions and Applications ». Thesis, University of East Anglia, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.514315.
Texte intégralFujisawa, Tomochika. « Statistical analyses of genealogical-phylogenetic data ». Thesis, Imperial College London, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.556548.
Texte intégralDomingues, Kümmel Tria Fernando [Verfasser]. « Rooting phylogenies / Fernando Domingues Kümmel Tria ». Kiel : Universitätsbibliothek Kiel, 2019. http://d-nb.info/1187732745/34.
Texte intégralYu, Junjie, et 于俊杰. « Phylogenetic tree reconstruction with protein linkage ». Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hub.hku.hk/bib/B49618167.
Texte intégralpublished_or_final_version
Computer Science
Master
Master of Philosophy