publication . Preprint . Article . 2018

Evolution at two time frames: polymorphisms from an ancient singular divergence event fuel contemporary parallel evolution

Steven M. Van Belleghem; Carl Vangestel; Katrien De Wolf; Zoë De Corte; Markus Möst; Pasi Rastas; Luc De Meester; Frederik Hendrickx;
Open Access English
  • Published: 01 Nov 2018
  • Publisher: Cold Spring Harbor Laboratory
When environments change, populations may adapt surprisingly fast, repeatedly and even at microgeographic scales. There is increasing evidence that such cases of rapid parallel evolution are fueled by standing genetic variation, but the source of this genetic variation remains poorly understood. In the saltmarsh beetle Pogonus chalceus, short-winged ‘tidal’ and long-winged ‘seasonal’ ecotypes have diverged in response to contrasting hydrological regimes and can be repeatedly found along the Atlantic European coast. By analyzing genomic variation across the beetles’ distribution, we reveal that alleles selected in the tidal ecotype are spread across the genome an...
free text keywords: GENOMIC DIVERGENCE, LOCAL ADAPTATION, GENE-FLOW, ECOLOGICAL SPECIATION, POGONUS-CHALCEUS, BEETLE, HISTORY, DIFFERENTIATION, CONVERGENCE, POPULATIONS, 1184 Genetics, developmental biology, physiology, Research Article, Biology and Life Sciences, Genetics, Genetic Loci, Evolutionary Biology, Evolutionary Genetics, Population Genetics, Population Biology, Heredity, Genetic Mapping, Haplotypes, Evolutionary Processes, Parallel Evolution, Genetic Polymorphism, Paleontology, Paleogenetics, Earth Sciences, Computational Biology, Comparative Genomics, Genomics, Cancer Research, Genetics(clinical), Molecular Biology, Ecology, Evolution, Behavior and Systematics, Science & Technology, Life Sciences & Biomedicine, Genetics & Heredity, GENOMIC DIVERGENCE, LOCAL ADAPTATION, GENE-FLOW, ECOLOGICAL SPECIATION, POGONUS-CHALCEUS, BEETLE, HISTORY, DIFFERENTIATION, CONVERGENCE, POPULATIONS, Divergence, Habitat, Parallel evolution, Glacial period, Small number, Genetic variation, Evolutionary biology, Ecotype, Biology, Allele, Local adaptation, Population genetics, Population, education.field_of_study, education, Allopatric speciation, Paleogenetics, Ecological speciation, lcsh:Genetics, lcsh:QH426-470
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