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pmid: 32413142
pmc: PMC7475034
Abstract Genetic variation is the fuel of evolution, with standing genetic variation especially important for short-term evolution and local adaptation. To date, studies of spatio-temporal patterns of genetic variation in natural populations have been challenging, as comprehensive sampling is logistically difficult, and sequencing of entire populations costly. Here, we address these issues using a collaborative approach, sequencing 48 pooled population samples from 32 locations, and perform the first continent-wide genomic analysis of genetic variation in European Drosophila melanogaster . Our analyses uncover longitudinal population structure, provide evidence for continent-wide selective sweeps, identify candidate genes for local climate adaptation, and document clines in chromosomal inversion and transposable element frequencies. We also characterise variation among populations in the composition of the fly microbiome, and identify five new DNA viruses in our samples.
adaptation, demography, Male, demography, QH301 Biology, Acclimatization, Ecology and Evolutionary Biology, ADN, Genome, Insect, adaptation, Adaptation; Clines; Demography; Population genomics; Selection; SNPs; Structural variants; Acclimatization; Altitude; Animals; DNA Viruses; Drosophila melanogaster; Europe; Genome, Mitochondrial; Haplotypes; Insect Viruses; Male; Phylogeography; Polymorphism, Single Nucleotide; Genome, Insect; Genomic Structural Variation; Microbiota; Selection, Genetic, SDG 13 - Climate Action, Ekologia ja evoluutiobiologia, Ecology, Altitude, Microbiota, Clines, geneettinen muuntelu, clines, Europe, Phylogeography, Drosophila melanogaster, populaatiogenetiikka, SNPs, 570, population genomics, Evolution, mahlakärpäset, Settore BIO/18 - GENETICA, Drosòfila melanogaster, selection, Insect Viruses, Polymorphism, Single Nucleotide, 576, QH301, Behavior and Systematics, [SDV.BID.EVO] Life Sciences [q-bio]/Biodiversity/Populations and Evolution [q-bio.PE], Genetics, Adaptation, demography, Animals, Adaptation, Selection, Genetic, Acclimatization/genetics; Altitude; Animals; DNA Viruses; Drosophila melanogaster/genetics; Drosophila melanogaster/virology; Europe; Genome, Insect; Genome, Mitochondrial; Genomic Structural Variation; Haplotypes; Insect Viruses; Male; Microbiota; Phylogeography; Polymorphism, Single Nucleotide; Selection, Genetic; SNPs; adaptation, demography; clines; population genomics; selection; structural variants, Molecular Biology, Selection, Ecology, Evolution, Behavior and Systematics, Discoveries, Demography, ta1184, DNA Viruses, structural variants, DAS, DNA, Haplotypes, perimä, Genome, Mitochondrial, Genomic Structural Variation, ta1181, Population genomics, Structural variants, Genètica
adaptation, demography, Male, demography, QH301 Biology, Acclimatization, Ecology and Evolutionary Biology, ADN, Genome, Insect, adaptation, Adaptation; Clines; Demography; Population genomics; Selection; SNPs; Structural variants; Acclimatization; Altitude; Animals; DNA Viruses; Drosophila melanogaster; Europe; Genome, Mitochondrial; Haplotypes; Insect Viruses; Male; Phylogeography; Polymorphism, Single Nucleotide; Genome, Insect; Genomic Structural Variation; Microbiota; Selection, Genetic, SDG 13 - Climate Action, Ekologia ja evoluutiobiologia, Ecology, Altitude, Microbiota, Clines, geneettinen muuntelu, clines, Europe, Phylogeography, Drosophila melanogaster, populaatiogenetiikka, SNPs, 570, population genomics, Evolution, mahlakärpäset, Settore BIO/18 - GENETICA, Drosòfila melanogaster, selection, Insect Viruses, Polymorphism, Single Nucleotide, 576, QH301, Behavior and Systematics, [SDV.BID.EVO] Life Sciences [q-bio]/Biodiversity/Populations and Evolution [q-bio.PE], Genetics, Adaptation, demography, Animals, Adaptation, Selection, Genetic, Acclimatization/genetics; Altitude; Animals; DNA Viruses; Drosophila melanogaster/genetics; Drosophila melanogaster/virology; Europe; Genome, Insect; Genome, Mitochondrial; Genomic Structural Variation; Haplotypes; Insect Viruses; Male; Microbiota; Phylogeography; Polymorphism, Single Nucleotide; Selection, Genetic; SNPs; adaptation, demography; clines; population genomics; selection; structural variants, Molecular Biology, Selection, Ecology, Evolution, Behavior and Systematics, Discoveries, Demography, ta1184, DNA Viruses, structural variants, DAS, DNA, Haplotypes, perimä, Genome, Mitochondrial, Genomic Structural Variation, ta1181, Population genomics, Structural variants, Genètica
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