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Local selection and population structure in a deep-sea fish, the roundnose grenadier (Coryphaenoides rupestris)

2009; Wiley; Volume: 19; Issue: 2 Linguagem: Inglês

10.1111/j.1365-294x.2009.04446.x

1365-294X

Thomas A. White, Joanne Stamford, A. Rus Hoelzel,

Marine and fisheries research

Molecular EcologyVolume 19, Issue 2 p. 216-226 Local selection and population structure in a deep-sea fish, the roundnose grenadier (Coryphaenoides rupestris) THOMAS A. WHITE, THOMAS A. WHITE School of Biological and Biomedical Sciences, Durham University, South Road, Durham DH1 3LE, UKSearch for more papers by this authorJOANNE STAMFORD, JOANNE STAMFORD School of Biological and Biomedical Sciences, Durham University, South Road, Durham DH1 3LE, UKSearch for more papers by this authorA. RUS HOELZEL, A. RUS HOELZEL School of Biological and Biomedical Sciences, Durham University, South Road, Durham DH1 3LE, UKSearch for more papers by this author THOMAS A. WHITE, THOMAS A. WHITE School of Biological and Biomedical Sciences, Durham University, South Road, Durham DH1 3LE, UKSearch for more papers by this authorJOANNE STAMFORD, JOANNE STAMFORD School of Biological and Biomedical Sciences, Durham University, South Road, Durham DH1 3LE, UKSearch for more papers by this authorA. RUS HOELZEL, A. RUS HOELZEL School of Biological and Biomedical Sciences, Durham University, South Road, Durham DH1 3LE, UKSearch for more papers by this author First published: 11 January 2010 https://doi.org/10.1111/j.1365-294X.2009.04446.xCitations: 51 A. Rus Hoelzel, Fax: +44 (0) 191 334 1201; E-mail: [email protected] Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Abstract Local populations within a species can become isolated by stochastic or adaptive processes, though it is most commonly the former that we quantify. Using presumably neutral markers we can assess the time-dependent process of genetic drift, and thereby quantify patterns of differentiation in support of the effective management of diversity. However, adaptive differences can be overlooked in these studies, and these are the very characteristics that we hope to conserve by managing neutral diversity. In this study, we used 16 hypothetically neutral microsatellite markers to investigate the genetic structure of the roundnose grenadier in the North Atlantic. We found that one locus was a clear outlier under directional selection, with FST values much greater than at the remaining loci. Differentiation between populations at this locus was related to depth, suggesting directional selection, presumably acting on a linked locus. Considering only the loci identified as neutral, there remained significant population structure over the region of the North Atlantic studied. 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Filename Description MEC_4446_sm_TableS1.doc85.5 KB Supporting info item Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article. Volume19, Issue2January 2010Pages 216-226 ReferencesRelatedInformation