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Ecosystems are the stage on which the play of evolution is acted, and ecosystems are complex, spatially structured and temporally varying. The purpose of this Research Topic is to explore critical challenges and opportunities for the transition from landscape genetics to landscape genomics. Landscape genetics has focused on the spatial analysis of small genetic datasets, typically comprised of less than 20 microsatellite markers, taken from clusters of individuals in putative populations or distributed individuals across landscapes. The recent emergence of large scale genomic datasets produced by next generation sequencing methods poses tremendous challenge and opportunity to the field. Perhaps the greatest is to produce, process, curate, archive and analyze spatially referenced genomic datasets in a way such that research is led by a priori hypotheses regarding how environmental heterogeneity and temporal dynamics interact to affect gene flow and selection. The papers in the Research Topic cover a broad range of topics under this area of focus, from reviews of the emergence of landscape genetics, to best practices in spatial analysis of genetic data. The compilation, like the emerging field itself, is eclectic and illustrates the scope of both the challenges and opportunities of this emerging field.
landscape genomics --- gene flow --- next generation sequencing --- landscape genetics --- evolution
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Ecosystems are the stage on which the play of evolution is acted, and ecosystems are complex, spatially structured and temporally varying. The purpose of this Research Topic is to explore critical challenges and opportunities for the transition from landscape genetics to landscape genomics. Landscape genetics has focused on the spatial analysis of small genetic datasets, typically comprised of less than 20 microsatellite markers, taken from clusters of individuals in putative populations or distributed individuals across landscapes. The recent emergence of large scale genomic datasets produced by next generation sequencing methods poses tremendous challenge and opportunity to the field. Perhaps the greatest is to produce, process, curate, archive and analyze spatially referenced genomic datasets in a way such that research is led by a priori hypotheses regarding how environmental heterogeneity and temporal dynamics interact to affect gene flow and selection. The papers in the Research Topic cover a broad range of topics under this area of focus, from reviews of the emergence of landscape genetics, to best practices in spatial analysis of genetic data. The compilation, like the emerging field itself, is eclectic and illustrates the scope of both the challenges and opportunities of this emerging field.
landscape genomics --- gene flow --- next generation sequencing --- landscape genetics --- evolution
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Ecosystems are the stage on which the play of evolution is acted, and ecosystems are complex, spatially structured and temporally varying. The purpose of this Research Topic is to explore critical challenges and opportunities for the transition from landscape genetics to landscape genomics. Landscape genetics has focused on the spatial analysis of small genetic datasets, typically comprised of less than 20 microsatellite markers, taken from clusters of individuals in putative populations or distributed individuals across landscapes. The recent emergence of large scale genomic datasets produced by next generation sequencing methods poses tremendous challenge and opportunity to the field. Perhaps the greatest is to produce, process, curate, archive and analyze spatially referenced genomic datasets in a way such that research is led by a priori hypotheses regarding how environmental heterogeneity and temporal dynamics interact to affect gene flow and selection. The papers in the Research Topic cover a broad range of topics under this area of focus, from reviews of the emergence of landscape genetics, to best practices in spatial analysis of genetic data. The compilation, like the emerging field itself, is eclectic and illustrates the scope of both the challenges and opportunities of this emerging field.
landscape genomics --- gene flow --- next generation sequencing --- landscape genetics --- evolution --- landscape genomics --- gene flow --- next generation sequencing --- landscape genetics --- evolution
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Compositae --- Lactuca sativa --- cultivated plants --- gene flow --- genetically modified organisms ( GMOs ) --- wild plants --- Reports
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This volume presents twenty contributions of international experts in science and administration on : - Expectations and anticipations of effects of genetically modified organisms (GMO) ; - Novel aspects in environmental risk evaluation ; - Legal aspects and monitoring ; - Concepts of risk and perception in the society. While the industry attempts to turn the emerging properties of transgenic organisms into marketable products, the general public in Europe remains intransigently sceptical to accept genetically modified organisms as food or food ingredients.In the heated public debate on GMO scientific arguments are likely to be used instrumentally from various sides - either to advertise or to demonise. Despite the intensity of the controversies, an important basis of decision, a central reference point of judgement remains widely obscured : What measure can be used to decide whether an environmental change, brought about by a certain type of genetically modified organism, is harmful or not ? It was this deficit that encouraged the Specialist Group on Gene Ecology of the Ecological Society of Germany, Austria and Switzerland to invite experts in order to critically evaluate experiences with the use of genetically modified organisms in agriculture as well as to present the state of scientific knowledge to operationalise the concepts of risk, hazard and damage.
Brassica napus --- biodiversity --- gene flow --- genetically modified organisms ( GMOs ) --- risk assessment --- symposium proceedings --- transgenic plants --- Transgenic plants --- Ecology --- Risk assessment
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GEN Genetics & Population Genetics --- The Netherlands --- cultivated plants --- distribution maps --- domestication --- gene dispersal --- gene flow --- genetics --- thesis --- wild plants
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CULTIVATED PLANTS --- CULTIVATED PLANTS --- CULTIVATED PLANTS --- CULTIVATED PLANTS --- CULTIVATED PLANTS --- WILD PLANTS --- CULTIVATED PLANTS --- REPORTS --- NETHERLANDS --- GENETIC TRANSFORMATION --- HYBRIDIZATION --- GENES --- GENE FLOW --- PROTECTION --- INDEXES --- CULTIVATED PLANTS --- CULTIVATED PLANTS --- CULTIVATED PLANTS --- CULTIVATED PLANTS --- CULTIVATED PLANTS --- WILD PLANTS --- CULTIVATED PLANTS --- REPORTS --- NETHERLANDS --- GENETIC TRANSFORMATION --- HYBRIDIZATION --- GENES --- DISPERSAL --- GENE FLOW --- RISK ASSESSMENT --- PROTECTION --- INDEXES
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On dit du Gène égoïste qu'il est « le livre le plus important écrit sur la théorie de l'Évolution depuis Darwin ». Le fait est que, paru en 1976, il est devenu en quelques années un classique dont tous les manuels s'inspirent aujourd'hui. En 1989, l'auteur a remanié son ouvrage, procédant à des ajouts et à des mises au point. Selon Richard Dawkins, la théorie du gène égoïste, c'est la théorie de Darwin exprimée autrement. En effet, il existe deux manières de considérer la sélection naturelle : celle du gène et celle de l'individu. Plutôt que de se focaliser sur l'organisme individuel, l'auteur adopte le point de vue du gène sur la nature pour démontrer, à la suite des travaux de R. A. Fischer dans les années 1930 et de W. D. Hamilton et G. C. Williams dans les années 1960, que nous sommes programmés pour préserver les molécules égoïstes connues sous le nom de gènes. Le style brillant de Dawkins démontre que les idées scientifiques complexes peuvent être expliquées au grand public. Et la biologie de devenir aussi excitante qu'un roman d'aventures. (extrait du 4ème de couverture)
Genetics --- Evolution (Biology) --- Sociobiology --- Genetics. --- Sociobiology. --- Biological Evolution --- Genetics, Behavioral --- Biologie --- Comportement --- Genetique --- Sociobiologie --- Sociologie --- Darwin, Charles --- Animaux --- Génétique des populations --- Génétique du comportement --- Adaptation (biologie) --- Darwinisme --- Éthologie --- Génétique --- Darwinisme social --- Évolution (biologie) --- Moeurs et comportement --- Aspect social --- Génétique des populations. --- Génétique du comportement. --- Darwinisme. --- Éthologie. --- Génétique. --- Darwinisme social. --- Sociobiologie. --- Moeurs et comportement. --- Aspect social. --- Comportement animal. --- EVOLUTION --- GENE FLOW --- SELFISH GENES --- THEORY
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Plante --- plants --- Évolution --- evolution --- Adaptation --- Flux de gènes --- gene flow --- Paléontologie --- Palaeontology --- Anatomie végétale --- plant anatomy --- Physiologie végétale --- Plant physiology --- Génétique --- genetics --- Biotechnologie végétale --- Plant biotechnology --- Métabolisme --- Metabolism --- Botany. --- Crops. --- Plants --- Development. --- Effect of stress on. --- Effect of stress on --- Plant physiology. Plant biophysics --- Botany --- Crops --- Development --- evolution. --- Plants - Development --- Plants - Effect of stress on --- Crops, Agricultural
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In spite of the fact that parasites represent more than half of all living species of plants and animals, their role in the evolution of life on earth has been substantially underestimated. Here, for the first time within an evolutionary and ecological framework, Peter Price integrates the biological attributes that characterize parasites ranging from such diverse groups as viruses, bacteria, protozoa, and fungi, to helminths, mites, insects, and parasitic flowering plants.Synthesizing systematics, ecology, behavioral biology, genetics, and biogeography, the author outlines the success of parasitism as a mode of life, the common features of the wide range of organisms that adopt such a way of life, the reasons for parasites' extraordinary potential for continued adaptive radiation, and their role in molding community structure by means of their impact on the evolution of host species. In demonstrating the importance of parasitic interactions for determining population patterns and geographical distributions, Dr. Price generates further discussion and suggests new areas for research.
Parasites --- 575.857 --- 576.8 --- 576.8 Parasitology --- Parasitology --- 575.857 Population --- Population --- Evolution --- Evolution. --- Adaptive radiation. --- Adelina tribolii. --- Dactylogyrus. --- Heliconius. --- Hymenolepis. --- Schistosoma. --- Species, packing. --- chromosomal rearrangements. --- coevolution. --- coexistence. --- diversity of parasites. --- equilibrium. --- evolutionary rate. --- extinction probability. --- gene flow. --- gene-for-gene concept. --- genetic systems. --- immune response. --- inbreeding. --- mobility of parasites. --- mutualism. --- outbreeding. --- patchy resources. --- polymorphism. --- predators. --- rare events. --- resources, ephemeral. --- survivorship curves. --- Evolution. Phylogeny --- General microbiology
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