Academic literature on the topic 'Fine-scale genetic structure'

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Journal articles on the topic "Fine-scale genetic structure"

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Kerminen, Sini, Aki S. Havulinna, Garrett Hellenthal, et al. "Fine-Scale Genetic Structure in Finland." G3: Genes|Genomes|Genetics 7, no. 10 (2017): 3459–68. http://dx.doi.org/10.1534/g3.117.300217.

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Gagnon, Laurence, Claudia Moreau, Catherine Laprise, and Simon L. Girard. "Fine-scale genetic structure and rare variant frequencies." PLOS ONE 19, no. 11 (2024): e0313133. http://dx.doi.org/10.1371/journal.pone.0313133.

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In response to the current challenge in genetic studies to make new associations, we advocate for a shift toward leveraging population fine-scale structure. Our exploration brings to light distinct fine-structure within populations having undergone a founder effect such as the Ashkenazi Jews and the population of the Quebec’ province. We leverage the fine-scale population structure to explore its impact on the frequency of rare variants. Notably, we observed an 8-fold increase in frequency for a variant associated with the Usher syndrome in one Quebec subpopulation. Our study underscores that
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Karakachoff, Matilde, Nicolas Duforet-Frebourg, Floriane Simonet, et al. "Fine-scale human genetic structure in Western France." European Journal of Human Genetics 23, no. 6 (2014): 831–36. http://dx.doi.org/10.1038/ejhg.2014.175.

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DICK, CHRISTOPHER W. "New interpretations of fine-scale spatial genetic structure." Molecular Ecology 17, no. 8 (2008): 1873–74. http://dx.doi.org/10.1111/j.1365-294x.2008.03728.x.

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SMOUSE, PETER E., ROD PEAKALL, and EVA GONZALES. "A heterogeneity test for fine-scale genetic structure." Molecular Ecology 17, no. 14 (2008): 3389–400. http://dx.doi.org/10.1111/j.1365-294x.2008.03839.x.

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Doligez, Agnès, Claire Baril, and Hélène I. Joly. "Fine-Scale Spatial Genetic Structure with Nonuniform Distribution of Individuals." Genetics 148, no. 2 (1998): 905–19. http://dx.doi.org/10.1093/genetics/148.2.905.

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Abstract This paper presents the first theoretical study of spatial genetic structure within nonuniformly distributed continuous plant populations. A novel individual-based model of isolation by distance was constructed to simulate genetic evolution within such populations. We found larger values of spatial genetic autocorrelations in highly clumped populations than in uniformly distributed populations. Most of this difference was caused by differences in mean dispersal distances, but aggregation probably also produced a slight increase in spatial genetic structure. Using an appropriate level
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Berg, Edward E., and James L. Hamrick. "Fine-Scale Genetic Structure of a Turkey Oak Forest." Evolution 49, no. 1 (1995): 110. http://dx.doi.org/10.2307/2410297.

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Nituch, Larissa A., James A. Schaefer, and Christine D. Maxwell. "Fine-Scale Spatial Organization Reflects Genetic Structure in Sheep." Ethology 114, no. 7 (2008): 711–17. http://dx.doi.org/10.1111/j.1439-0310.2008.01522.x.

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Leslie, Stephen, Bruce Winney, Garrett Hellenthal, et al. "The fine-scale genetic structure of the British population." Nature 519, no. 7543 (2015): 309–14. http://dx.doi.org/10.1038/nature14230.

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Berg, Edward E., and James L. Hamrick. "FINE-SCALE GENETIC STRUCTURE OF A TURKEY OAK FOREST." Evolution 49, no. 1 (1995): 110–20. http://dx.doi.org/10.1111/j.1558-5646.1995.tb05963.x.

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Dissertations / Theses on the topic "Fine-scale genetic structure"

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Giemza, Joanna. "Fine-scale genetic population structure in France." Thesis, Nantes, 2019. http://www.theses.fr/2019NANT1007/document.

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La structure génétique à fine échelle des populations humaines est intéressante pour deux raisons principales : 1) elle reflète des événements historiques et démographiques, 2) elle informe la recherche sur les études d’association de maladies. Cette thèse a pour objectif de procéder à une analyse approfondie de la structure génétique de la population de France métropolitaine dans un premier temps, en de façon plus détaillée de la population du nord-ouest de la France, et de mettre en lumière les événements historiques, démographiques et culturels qui l’ont façonnés, en tirant parti de trois j
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de, Graaf Ramona Christine. "Fine-scale population genetic structure of the eastern Pacific bay pipefish, Syngnathus leptorhynchus." Thesis, University of British Columbia, 2006. http://hdl.handle.net/2429/32342.

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Seascapes are complex systems with features that both restrict and enhance dispersal and gene flow among individuals. Understanding factors shaping genetic diversity and genetic population substructure can assist in planning effective conservation areas. Syngnathus leptorhynchus is an eelgrass-dependent fish species ranging from Alaska to Mexico. Pipefish males brood eggs in a specialized brood pouch until their emergence as fully developed young. S. leptorhynchus has a body form that presumably reflects adaptations to mimic Zostera marina L. blades which may, in combination with the pro
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Casey, Ashley E. "Fine scale genetic structure and extra-pair parentage in the socially monogamous Upland Sandpiper." Thesis, Manhattan, Kan. : Kansas State University, 2008. http://hdl.handle.net/2097/951.

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Venn, Oliver Claude. "Inferring the fine-scale structure and evolution of recombination from high-throughput genome sequencing." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:b74f6706-a37d-4d71-975d-02e0f79ccdf1.

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In eukaryotes, recombination plays a critical role in both the production of viable gametes and as a population genetic process. Here, we are interested in studying recombination as it provides insight into a process that has shaped variation. To this end, we study the evolution of cross-over rates in chimpanzees and humans through two experiments. Components of the recombination machinery are well described in yeast and C. elegans, but less so in other species. In humans, cross-over rates vary across physical scales and occur predominantly in narrow ∼2 kb regions called hotspots, where hotspo
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Prentis, Peter. "Seed dispersal, germination and fine-scale genetic structure in the stream lily, Helmholtzia glaberrima (philydraceae)." Thesis, Queensland University of Technology, 2007. https://eprints.qut.edu.au/16441/1/Peter_Prentis_Thesis.pdf.

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Seed dispersal in aquatic habitats is often considered to be a complex multistage process, where initial seed shadows are redistributed by water (hydrochory). The roles of hydrochory in seed dispersal and influencing population genetic structure were examined in Helmholtzia glaberrima using both ecological and genetic techniques. Ecological experiments showed that water can redistribute seeds and seedlings over local scales and that hydrochory can provide the potential for very long distance seed and seedling dispersal. Patterns of seedling genetic structure were affected by micro-drainages th
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Prentis, Peter. "Seed dispersal, germination and fine-scale genetic structure in the stream lily, Helmholtzia glaberrima (philydraceae)." Queensland University of Technology, 2007. http://eprints.qut.edu.au/16441/.

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Seed dispersal in aquatic habitats is often considered to be a complex multistage process, where initial seed shadows are redistributed by water (hydrochory). The roles of hydrochory in seed dispersal and influencing population genetic structure were examined in Helmholtzia glaberrima using both ecological and genetic techniques. Ecological experiments showed that water can redistribute seeds and seedlings over local scales and that hydrochory can provide the potential for very long distance seed and seedling dispersal. Patterns of seedling genetic structure were affected by micro-drainages th
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Chacon, Duque Juan Camilo. "Genetic history of Latin America : fine-scale population structure, sub-continental ancestry and phenotypic diversity." Thesis, University College London (University of London), 2018. http://discovery.ucl.ac.uk/10045516/.

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The history of Latin America involved extensive genetic admixture, particularly between Native Americans, Europeans and Africans. Although these conti-nental contributions to the genetic make-up of the region have been explored previously with genetic data, more precise information about sub-continental contributions has proven elusive. Applying new haplotype-based approaches to ~600,000 SNPs in ~7,000 Latin Americans from Brazil, Chile, Colombia, Mexico and Peru, this PhD thesis provides a comprehensive analysis of the sub-continental ancestry and demographic history of Latin America at a res
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Corrales, Duque Carolina. "Population Genetic Structure of Black Grouse (Tetrao tetrix) : From a Large to a Fine Scale Perspective." Doctoral thesis, Uppsala universitet, Institutionen för ekologi och genetik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-150117.

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Black grouse (Tetrao tetrix) is a bird species with a lek mating system found in the Palearctic boreal taiga. It is assumed that it has a continuous distribution along Scandinavia and Siberia, whereas in Central Europe it has declined during the last decades. The primary objective of this thesis was to obtain a deeper understanding of the history, systematic classification and the genetic structure of black grouse on different geographical scales using microsatellites and control region mtDNA sequences (CR). I determined how much the mating system, habitat fragmentation and historical populati
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Clark, AnnMarie. "Using microsatellite loci to determine the fine scale genetic structure of a complex of timber rattlesnake (Crotalus horridus) dens in northeastern New York." [Gainesville, Fla.] : University of Florida, 2006. http://purl.fcla.edu/fcla/etd/UFE0014222.

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Bowkett, Andrew Edward. "Genetic patterns in forest antelope populations : implications for the conservation of key species in the Udzungwa Mountains, Tanzania." Thesis, University of Exeter, 2012. http://hdl.handle.net/10871/9242.

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The field of conservation genetics, in combination with non-invasive sampling, provides a powerful set of tools for investigating the conservation status and natural history of rare species that are otherwise difficult to study. A systematic literature review demonstrated that this is certainly the case for many forest associated antelope species, which are poorly studied and yet constitute some of the most heavily hunted wildlife in Africa. The aim of the present study was to use non-invasive sampling to investigate genetic patterns in forest antelope populations in the high-biodiversity Udzu
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Book chapters on the topic "Fine-scale genetic structure"

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Stoddart, James A. "Historecognition and Fine-Scale Spatial Genetic Structure in Sessile Benthic Invertebrates." In Invertebrate Historecognition. Springer US, 1988. http://dx.doi.org/10.1007/978-1-4613-1053-2_9.

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Fu, Li. "Plant Tissues as Templates for Morphology Genetic Material Synthesis." In Pathways to Green Nanomaterials: Plants as Raw Materials, Reducing Agents and Hosts. BENTHAM SCIENCE PUBLISHERS, 2023. http://dx.doi.org/10.2174/9789815136388123010010.

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In order to ensure the needs of survival and reproduction, plants have formed various, diverse, multi-dimensional, and multi-scale fine and subtle configurations for millions of years, which provides rich inspiration for scientific research in many fields today. Research on morphology genetic material converts natural biological components into target materials by directly using biological structures as templates and selecting appropriate physicochemical methods while maintaining the fine-graded structure of the template. It can be used to prepare new functional materials with a biological fin
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"Paddlefish: Ecological, Aquacultural, and Regulatory Challenges of Managing a Global Resource." In Paddlefish: Ecological, Aquacultural, and Regulatory Challenges of Managing a Global Resource, edited by Steven R. Fain. American Fisheries Society, 2019. http://dx.doi.org/10.47886/9781934874530.ch8.

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<i>Abstract</i>.—With the break-up of the Soviet Union in 1991, and the unhalting collapse of the Caspian Sea sturgeon fisheries from desperate management policies to maintain production, law enforcement investigators in the U.S. encountered increased poaching of Paddlefish <i>Polyodon spathula</i> caviar throughout the Mississippi River basin. The steady rise of caviar prices has encouraged the illegal, unreported, and unregulated (IUU) taking of Paddlefish and the same over-harvesting that devastated the Caspian and Atlantic Sturgeon caviar fisheries of the past. Inte
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"Life in the Slow Lane: Ecology and Conservation of Long-Lived Marine Animals." In Life in the Slow Lane: Ecology and Conservation of Long-Lived Marine Animals, edited by Robert W. Chapman, George R. Sedberry, John C. McGovern, and Bradley E. Wiley. American Fisheries Society, 1999. http://dx.doi.org/10.47886/9781888569155.ch13.

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<em>Abstract.</em> —Individuals of many aquatic species produce millions of offspring in a single spawning event, engage in several such events during a spawning season, and may be reproductively active for many years. Out of all of this activity only two offspring must reach reproductive age in order for the species to maintain its numbers. The genetic consequences of this high-risk strategy have been discussed in previous work. At least five null hypotheses concerning the relationship between reproductive output and the distribution of genetic variation can be constructed from th
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"Landscape Influences on Stream Habitats and Biological Assemblages." In Landscape Influences on Stream Habitats and Biological Assemblages, edited by Robert E. Gresswell, Christian E. Torgersen, Douglas S. Bateman, Troy J. Guy, Steven R. Hendricks, and J. E. B. Wofford. American Fisheries Society, 2006. http://dx.doi.org/10.47886/9781888569766.ch22.

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<em>Abstract.</em>—Small stream systems are complex networks that form a physicochemical template governing the persistence of aquatic species such as coastal cutthroat trout <em>Oncorhynchus clarkii clarkii</em>. To gain new insight into these interactions, we initiated an integrated program of landscape- scale sampling that is focused on fine- and broad-scale relationships among upslope landscape characteristics, physical stream habitat, and the spatial patterns of cutthroat trout abundance. Our sample of 40 catchments (500–1,000 ha) represented approximately 15% of t
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Conference papers on the topic "Fine-scale genetic structure"

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Callanan, Jesse, Oladapo Ogunbodede, Maulikkumar Dhameliya, Jun Wang, and Rahul Rai. "Hierarchical Combinatorial Design and Optimization of Quasi-Periodic Metamaterial Structures." In ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/detc2018-85914.

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As advanced manufacturing techniques such as additive manufacturing become widely available, it is of interest to investigate the potential advantages that arise when designing periodic metamaterials to achieve a specific desired behavior or physical property. Designing the fine scale detailed geometry of periodic metamaterials to achieve a specified behavior falls under the category of notoriously intractable inverse problems. To simplify solving the inverse problem, most relevant works represent metamaterials as periodic single unit cell structures repeated in regular lattices. Such represen
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Gorguluarslan, Recep M., and Seung-Kyum Choi. "An Improved Stochastic Upscaling Method for Multiscale Engineering Systems." In ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/detc2014-34418.

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A stochastic multiscale modeling technique is proposed to construct coarse scale representation of a fine scale model for use in engineering design problems. The complexity of the fine scale heterogeneity under uncertainty is replaced with the homogenized coarse scale parameters by seeking agreement between the responses at both scales. Generalized polynomial chaos expansion is implemented to reduce the dimensionality of propagating uncertainty through scales and the computational costs of the upscaling method. It is integrated into a hybrid optimization procedure with the genetic algorithm an
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