Rozprawy doktorskie na temat „Variation (Genetics)”
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De, Bustos Cecilia. "Genetic and Epigenetic Variation in the Human Genome : Analysis of Phenotypically Normal Individuals and Patients Affected with Brain Tumors". Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-6629.
Pełny tekst źródłaWalker, Tina Kay. "Genetic variation in schistosomes". Thesis, Brunel University, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.278245.
Pełny tekst źródłaPandya, Arpita. "Human Y-chromosomal DNA variation". Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.298658.
Pełny tekst źródłaKeightley, Peter D. "Studies of quantitative genetic variation". Thesis, University of Edinburgh, 1988. http://hdl.handle.net/1842/12340.
Pełny tekst źródłaLoh, Yong-Hwee Eddie. "Genetic variation in fast-evolving East African cichlid fishes: an evolutionary perspective". Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/41148.
Pełny tekst źródłaRoussos, Athanasios. "Morphological variation, population genetics and genetic relatedness in three species of Callopora". Thesis, Swansea University, 2007. https://cronfa.swan.ac.uk/Record/cronfa42590.
Pełny tekst źródłaGunn, Melissa Rose School of Biological Earth & Environmental Science UNSW. "The use of microsatellites as a surrogate for quantitative trait variation in conservation". Awarded by:University of New South Wales. School of Biological, Earth and Environmental Science, 2003. http://handle.unsw.edu.au/1959.4/22457.
Pełny tekst źródłaRudd, Danielle Song. "Genomic copy number variation in schizophrenia". Diss., University of Iowa, 2014. https://ir.uiowa.edu/etd/4739.
Pełny tekst źródłaCotsapas, Chris Biotechnology & Biomolecular Sciences Faculty of Science UNSW. "The genetics of variation in gene expression". Awarded by:University of New South Wales. School of Biotechnology and Biomolecular Sciences, 2005. http://handle.unsw.edu.au/1959.4/30204.
Pełny tekst źródłaBromham, Lindell. "Rate variation in DNA sequence evolution". Thesis, University of Oxford, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.339362.
Pełny tekst źródłaRootsi, Siiri. "Human Y-chromosomal variation in European populations /". Tartu : Tartu University Press, 2004. http://dspace.utlib.ee/dspace/bitstream/10062/1252/5/rootsi.pdf.
Pełny tekst źródłaGoropashnaya, Anna. "Phylogeographic Structure and Genetic Variation in Formica Ants". Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-3803.
Pełny tekst źródłaEhrenreich, Ian Michael. "The Genetics of Phenotypic Variation in Arabidopsis thaliana". NCSU, 2008. http://www.lib.ncsu.edu/theses/available/etd-08062008-162151/.
Pełny tekst źródłaRussell, Joanne Ritchie. "Molecular variation in Theobroma species". Thesis, University of Reading, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386981.
Pełny tekst źródłaMathieson, Iain. "Genes in space : selection, association and variation in spatially structured populations". Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:85f051b6-2121-49cf-9468-3ca7ba77cc4a.
Pełny tekst źródłaGresham, David J. "Genetic variation and disease in the Roma (Gypsies)". Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2001. https://ro.ecu.edu.au/theses/1516.
Pełny tekst źródłaMurtagh, Gareth James. "Sex and variation in lichen-forming fungi". Thesis, University of Nottingham, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.285566.
Pełny tekst źródłaArcher, Jason Allan. "Genetic variation in the efficiency of feed utilisation by animals". Title page, table of contents and abstract only, 1996. http://web4.library.adelaide.edu.au/theses/09PH/09pha6711.pdf.
Pełny tekst źródłaRogell, Björn. "Genetic variation and local adaptation in peripheral populations of toads". Uppsala : Acta Universitatis Upsaliensis, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-107395.
Pełny tekst źródłaElis, Mabon. "Evolutionary genetics of flower colour variation in Antirrhinum". Thesis, University of East Anglia, 2018. https://ueaeprints.uea.ac.uk/69572/.
Pełny tekst źródłaStewart, John E. B. (John Edward Bakos). "Genetic Variation in a Population of the Plains Woodrat Neotoma micropus". Thesis, University of North Texas, 1988. https://digital.library.unt.edu/ark:/67531/metadc500709/.
Pełny tekst źródłaRowell, Jennie Lynn. "GENETIC VARIATION IN THE DOMESTICATED DOG AS A MODEL OF HUMAN DISEASE". The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1338237356.
Pełny tekst źródłaHamilton, Katherine Elaine. "Structural and regulatory gene variation in Salmonid fishes". Thesis, Queen's University Belfast, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.356872.
Pełny tekst źródłaDe, Winter Gunnar. "The ecology and evolution of individual behavioural variation". Thesis, University of Nottingham, 2017. http://eprints.nottingham.ac.uk/44995/.
Pełny tekst źródłaKvernes, Macpherson Carina. "Studying genetics of leaf shape variation in Arabidopsis lyrata". Thesis, Umeå universitet, Institutionen för ekologi, miljö och geovetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-160116.
Pełny tekst źródłaFredman, David. "Computational exploration of human genome variation /". Stockholm, 2004. http://diss.kib.ki.se/2004/91-7140-025-7/.
Pełny tekst źródłaPatel, Tulsi. "Investigating genetic variation in Alzheimer's disease". Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/52447/.
Pełny tekst źródłaScheet, Paul A. "A flexible and computationally tractable model for patterns of population genetic variation/". Thesis, Connect to this title online; UW restricted, 2006. http://hdl.handle.net/1773/8932.
Pełny tekst źródłaMarcar, Nico Emile. "Genotypic variation for manganese efficiency in cereals /". Title page, abstract and contents only, 1986. http://web4.library.adelaide.edu.au/theses/09PH/09phm313.pdf.
Pełny tekst źródłaYoung, J. R. "The molecular genetics of antigenic variation in Trypanosoma brucei". Thesis, University of Cambridge, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.372285.
Pełny tekst źródłaForsberg, Lena. "Genetic variation and regulation of oxidative stress related genes /". Stockholm, 2000. http://diss.kib.ki.se/2000/91-628-4241-2/.
Pełny tekst źródłaSharkey, Andrew M. "Genetic variation in the rodent malaria parasite Plasmodium chabaudi". Thesis, University of Edinburgh, 1989. http://hdl.handle.net/1842/14391.
Pełny tekst źródłaCardno, Alastair George. "The quantitative genetics of clinical variation in psychotic illnesses". Thesis, Cardiff University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.394591.
Pełny tekst źródłaWhiteley, Rachel. "Quantitative and molecular genetic variation in Ulmus laevis Pall. /". Uppsala : Dept. of Plant Biology and Forest Genetics, Swedish Univ. of Agricultural Sciences, 2004. http://epsilon.slu.se/s313.pdf.
Pełny tekst źródłaOchola, Harold Martin Owino. "Using genomics and population genetics to understand genetic variation in Malawi Plasmodium falciparum clinical isolates". Thesis, University of Liverpool, 2013. http://livrepository.liverpool.ac.uk/15753/.
Pełny tekst źródłaModin, Helena. "Multiple sclerosis : linkage analysis and DNA variation in a complex trait /". Stockholm, 2004. http://diss.kib.ki.se/2004/91-7349-792-4/.
Pełny tekst źródłaShringarpure, Suyash. "Statistical Methods for studying Genetic Variation in Populations". Research Showcase @ CMU, 2012. http://repository.cmu.edu/dissertations/117.
Pełny tekst źródłaLee, Peter Daniel. "Building a model for mapping genetic variation affecting gene expression". Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=85931.
Pełny tekst źródłaWhittaker, S. L. "Genetics of P. infestans - variation in DNA content and ploidy". Thesis, Bangor University, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.280024.
Pełny tekst źródłaYue, Wei. "Characterization of genetic variation in secondary metabolites in Fusarium". Diss., Kansas State University, 2017. http://hdl.handle.net/2097/36235.
Pełny tekst źródłaGenetics Interdepartmental Program
Christopher Toomajian
Secondary metabolites (SMs), low molecular weight molecules that are not essential for normal organism growth and development, may confer a selective advantage in some environments. Fungal SMs are structurally and functionally diverse and include mycotoxins, plant regulators and pigments, and the genes that work together in SM biosynthetic pathways are physically clustered in the genome. Fusarium, a genus of filamentous fungi, is noted for SM production, especially mycotoxins, which may contribute to plant pathogenesis. Fusarium species exhibit differences in their SM profiles, and comparative genomics studies have found corresponding differences in the SM gene clusters in some Fusarium species. The investigation of differences in the genomes and SM gene clusters between closely related species, such as F. proliferatum and F. fujikuroi, may help explain their phenotypic divergence, including differences in SM profiles. In addition, the study of intra-species SM variation may indicate how SM loci affect a pathogen’s fitness traits. My research includes three main projects that address different aspects of Fusarium SM variability. To carry out my projects, I established a feasible Genotyping-by-Sequencing (GBS) protocol for Fusarium. One project explored the genetic bases underlying phenotypic divergence related to SM profiles and pathogenicity between F. proliferatum and F. fujikuroi using a quantitative genetics approach. Specifically, I 1) constructed the first high density genetic map based on progeny from an interspecific cross between these two species; and 2) detected a novel regulatory locus for gibberellic acid production and identified a region affecting onion virulence that includes the fumonisin gene cluster. The second project characterized the F. proliferatum parent genome from the previous cross and its SM gene clusters using a comparative genomics approach. Specifically, I 1) assembled the F. proliferatum genome into 12 chromosomes with a combined length of ~43 Mb; 2) annotated this assembly and characterized its 50 SM gene clusters; and 3) detected over 100 F. proliferatum specific genes that might play roles in this species’ host specificity and plant pathogenicity. The third project used a population genomics approach to explore how different F. graminearum chemotypes, or isolates classified based on the accumulation of alternate trichothecene toxin types, may differ for fitness traits and whether trichothecene genes are directly responsible for these differences. Specifically, I 1) genotyped over 300 F. graminearum strains from New York and the upper Midwest in the U.S. and from South America using our GBS protocol; 2) detected two major subpopulations that were correlated, though imperfectly, to the predicted 3-acetyl deoxynivalenol (3ADON) and 15-acetyl deoxynivalenol (15ADON) chemotypes in the U.S.; 3) identified a rapid linkage disequilibrium decay over a few tens of kb followed by a slower decay to background levels over a distance of 200 kb to 400 kb in selected subpopulations in the U.S.; and 4) found that neither chemotype has a clear fitness advantage in a small set of isolates from New York, but that isolates belonging to one genetic subpopulation may on average have a fitness advantage over isolates from the other subpopulation.
Judson, Olivia P. "Parasites, sex and genetic variation in a model metapopulation". Thesis, University of Oxford, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.296922.
Pełny tekst źródłaGoulson, David. "Maintenance of phenotypic variation in the butterfly, Maniola jurtina". Thesis, Oxford Brookes University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.293305.
Pełny tekst źródłaSmith, Thomas C. A. "Within genome variation of germ-line and somatic mutation". Thesis, University of Sussex, 2017. http://sro.sussex.ac.uk/id/eprint/68212/.
Pełny tekst źródłaSSEKIMPI, PUPULIO SSEMOMBWE NKUNA ABBY. "CHROMOSOME VARIATION IN DROSOPHILA SPECIES OF THE MULLERI COMPLEX". Diss., The University of Arizona, 1986. http://hdl.handle.net/10150/183809.
Pełny tekst źródłaKing, Rachel, i n/a. "Spatial Structure and Population Genetic Variation in a Eucalypt Species Complex". Griffith University. Australian School of Environmental Studies, 2004. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20050113.091713.
Pełny tekst źródłaKing, Rachel. "Spatial Structure and Population Genetic Variation in a Eucalypt Species Complex". Thesis, Griffith University, 2004. http://hdl.handle.net/10072/365496.
Pełny tekst źródłaThesis (PhD Doctorate)
Doctor of Philosophy (PhD)
Australian School of Environmental Studies
Full Text
Barrera, Luis A. "Towards a Systematic Approach for Characterizing Regulatory Variation". Thesis, Harvard University, 2015. http://nrs.harvard.edu/urn-3:HUL.InstRepos:26718710.
Pełny tekst źródłaBiophysics
Sawyer, Sarah Lynn. "Using SNPs to study complex genetic disease : a population and evolutionary genetics perspective /". Stockholm, 2004. http://diss.kib.ki.se/2004/91-7349-967-6/.
Pełny tekst źródłaWahyuni, Wiwiek Sri. "Variation among cucumber mosaic virus (CMV) isolates and their interaction with plants". Title page, contents and summary only, 1992. http://web4.library.adelaide.edu.au/theses/09PH/09phw137.pdf.
Pełny tekst źródłaJohansson, Åsa. "Genome Variation in Human Populations : Exploring the Effects of Demographic History and the Potential for Mapping of Complex Traits". Doctoral thesis, Uppsala University, Department of Genetics and Pathology, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-7293.
Pełny tekst źródłaA major challenge in human genetics is to understand the genetic variation underlying common diseases. In this thesis, I focus on forces creating differences between individuals and genomic regions, methods for characterizing genomic variation, and the association between genomic and phenotypic variation. Genetic markers are widely used to locate genes associated with different phenotypes. In my first paper, I describe novel algorithms for automatic genotype determination of microsatellite markers, a procedure which is currently both time-consuming and error prone.
The co-segregation of genetic markers in a population leads to non-random association of alleles at different loci - linkage disequilibrium (LD). LD varies throughout the genome and differs between populations due to factors such as their demographic history. In my second paper, I discuss the increased power, for mapping of human traits, that results from studying a population with appreciable levels of LD such as is found in the Swedish Sami population.
Lately, large-scale analyses of single nucleotide polymorphisms (SNPs) have become available and efforts have been made to identify a set of SNPs, which captures most of the genome variation in a population (tagSNPs). In my third paper, I describe the limitations of this approach when applied to data from an independent population sample of randomly ascertained SNPs. The transferability of tagSNPs between populations is poor, presumably due to variation in allele frequencies and the bias towards common SNPs used in most studies.
The level of genomic variation is influenced by population structure, recombination and mutation rate, as well as natural selection. During the exodus from Africa, humans have adapted to new environmental conditions. In my fourth paper, I describe a new method for identifying genomic regions carrying signatures of recent positive selection and apply this to an available dataset of millions of SNPs.