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  The genomic basis of adaptive evolution in threespine sticklebacks

Jones, F. C., Grabherr, M. G., Chan, Y. F., Russell, P., Mauceli, E., Johnson, J., et al. (2012). The genomic basis of adaptive evolution in threespine sticklebacks. Nature, 484(7392), 55-61. doi:10.1038/nature10944.

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 Urheber:
Jones, Felicity C., Autor
Grabherr, Manfred G., Autor
Chan, Yingguang Frank1, Autor           
Russell, Pamela, Autor
Mauceli, Evan, Autor
Johnson, Jeremy, Autor
Swofford, Ross, Autor
Pirun, Mono, Autor
Zody, Michael C., Autor
White, Simon, Autor
Birney, Ewan, Autor
Searle, Stephen, Autor
Schmutz, Jeremy, Autor
Grimwood, Jane, Autor
Dickson, Mark C., Autor
Myers, Richard M., Autor
Miller, Craig T., Autor
Summers, Brian R., Autor
Knecht, Anne K., Autor
Brady, Shannon D., Autor
Zhang, Haili, AutorPollen, Alex A., AutorHowes, Timothy, AutorAmemiya, Chris, AutorTeam, Broad Institute Genome Sequencing Platform & Whole Genome Assembly, AutorLander, Eric S., AutorDi Palma, Federica, AutorLindblad-Toh, Kerstin, AutorKingsley, David M., Autor mehr..
Affiliations:
1Department Evolutionary Genetics, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445635              

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 Zusammenfassung: Marine stickleback fish have colonized and adapted to thousands of streams and lakes formed since the last ice age, providing an exceptional opportunity to characterize genomic mechanisms underlying repeated ecological adaptation in nature. Here we develop a high-quality reference genome assembly for threespine sticklebacks. By sequencing the genomes of twenty additional individuals from a global set of marine and freshwater populations, we identify a genome-wide set of loci that are consistently associated with marine–freshwater divergence. Our results indicate that reuse of globally shared standing genetic variation, including chromosomal inversions, has an important role in repeated evolution of distinct marine and freshwater sticklebacks, and in the maintenance of divergent ecotypes during early stages of reproductive isolation. Both coding and regulatory changes occur in the set of loci underlying marine– freshwater evolution, but regulatory changes appear to predominate in this well known example of repeated adaptive evolution in nature.

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Sprache(n): eng - English
 Datum: 2012-04-05
 Publikationsstatus: Erschienen
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 Identifikatoren: eDoc: 610669
DOI: 10.1038/nature10944
Anderer: 2917/S 39262
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Titel: Nature
Genre der Quelle: Zeitschrift
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Seiten: - Band / Heft: 484 (7392) Artikelnummer: - Start- / Endseite: 55 - 61 Identifikator: ISSN: 0028-0836 (print)
ISSN: 1476-4687 (online)