Data from: Historical introgression and the role of selective vs. neutral processes in structuring nuclear genetic variation (AFLP) in a circumpolar marine fish, the capelin (Mallotus villosus)
The capelin (Mallotus villosus) is a widespread marine fish species for which previous work has identified geographically distinct mtDNA clades, the frontiers of which are well within adult and larval dispersal capabilities. Here, we use AFLPs to test for the presence of nuclear gene flow among clad...
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ftdans:oai:easy.dans.knaw.nl:easy-dataset:118323 2023-07-02T03:33:16+02:00 Data from: Historical introgression and the role of selective vs. neutral processes in structuring nuclear genetic variation (AFLP) in a circumpolar marine fish, the capelin (Mallotus villosus) Colbeck, Gabriel J Turgeon, Julie Sirois, Pascal Dodson, Julian J 2011-02-16T22:47:37.000+01:00 http://nbn-resolving.org/urn:nbn:nl:ui:13-vm-jfua https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:118323 unknown doi:10.5061/dryad.8616.1/1.1 doi:10.5061/dryad.8616.1/2.1 doi:10.1111/j.1365-294X.2011.05069.x PMID:21492266 http://nbn-resolving.org/urn:nbn:nl:ui:13-vm-jfua doi:10.5061/dryad.8616.1 https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:118323 OPEN_ACCESS: The data are archived in Easy, they are accessible elsewhere through the DOI https://dans.knaw.nl/en/about/organisation-and-policy/legal-information/DANSLicence.pdf Life sciences medicine and health care 2011 ftdans https://doi.org/10.5061/dryad.8616.1/1.110.5061/dryad.8616.1/2.110.1111/j.1365-294X.2011.05069.x10.5061/dryad.8616.1 2023-06-13T13:34:17Z The capelin (Mallotus villosus) is a widespread marine fish species for which previous work has identified geographically distinct mtDNA clades, the frontiers of which are well within adult and larval dispersal capabilities. Here, we use AFLPs to test for the presence of nuclear gene flow among clades. In addition, we evaluate genetic structuring within one clade, the Northwest Atlantic (NWA). We found that each of the mtDNA clades corresponds with a unique nuclear DNA genetic cluster. Within the NWA clade, we detected individuals with small but significant amounts of genetic ancestry from other clades, likely due to historical introgression. Further support for historical introgression comes from analyses of variance in locus-specific differentiation, which support introgression between some clades and divergence without gene flow between others. Within the NWA, we identified two genetic clusters that correspond to sites in geographically adjacent areas. However, these clusters differ primarily at ‘outlier’ loci, and a genetic subdivision (K = 2) was not supported by genetic clustering programs using neutral loci. Significant neutral FST differentiation was found only between sites that otherwise differed at outlier loci. Thus, these populations may be in the initial stages of ‘isolation by adaptation’. These results suggest strong between-clade reproductive isolation despite opportunities for gene flow and support the hypothesis that selection can contribute to divergence in otherwise ‘open’ systems. Other/Unknown Material Northwest Atlantic Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen) |
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Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen) |
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Life sciences medicine and health care |
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Life sciences medicine and health care Colbeck, Gabriel J Turgeon, Julie Sirois, Pascal Dodson, Julian J Data from: Historical introgression and the role of selective vs. neutral processes in structuring nuclear genetic variation (AFLP) in a circumpolar marine fish, the capelin (Mallotus villosus) |
topic_facet |
Life sciences medicine and health care |
description |
The capelin (Mallotus villosus) is a widespread marine fish species for which previous work has identified geographically distinct mtDNA clades, the frontiers of which are well within adult and larval dispersal capabilities. Here, we use AFLPs to test for the presence of nuclear gene flow among clades. In addition, we evaluate genetic structuring within one clade, the Northwest Atlantic (NWA). We found that each of the mtDNA clades corresponds with a unique nuclear DNA genetic cluster. Within the NWA clade, we detected individuals with small but significant amounts of genetic ancestry from other clades, likely due to historical introgression. Further support for historical introgression comes from analyses of variance in locus-specific differentiation, which support introgression between some clades and divergence without gene flow between others. Within the NWA, we identified two genetic clusters that correspond to sites in geographically adjacent areas. However, these clusters differ primarily at ‘outlier’ loci, and a genetic subdivision (K = 2) was not supported by genetic clustering programs using neutral loci. Significant neutral FST differentiation was found only between sites that otherwise differed at outlier loci. Thus, these populations may be in the initial stages of ‘isolation by adaptation’. These results suggest strong between-clade reproductive isolation despite opportunities for gene flow and support the hypothesis that selection can contribute to divergence in otherwise ‘open’ systems. |
author |
Colbeck, Gabriel J Turgeon, Julie Sirois, Pascal Dodson, Julian J |
author_facet |
Colbeck, Gabriel J Turgeon, Julie Sirois, Pascal Dodson, Julian J |
author_sort |
Colbeck, Gabriel J |
title |
Data from: Historical introgression and the role of selective vs. neutral processes in structuring nuclear genetic variation (AFLP) in a circumpolar marine fish, the capelin (Mallotus villosus) |
title_short |
Data from: Historical introgression and the role of selective vs. neutral processes in structuring nuclear genetic variation (AFLP) in a circumpolar marine fish, the capelin (Mallotus villosus) |
title_full |
Data from: Historical introgression and the role of selective vs. neutral processes in structuring nuclear genetic variation (AFLP) in a circumpolar marine fish, the capelin (Mallotus villosus) |
title_fullStr |
Data from: Historical introgression and the role of selective vs. neutral processes in structuring nuclear genetic variation (AFLP) in a circumpolar marine fish, the capelin (Mallotus villosus) |
title_full_unstemmed |
Data from: Historical introgression and the role of selective vs. neutral processes in structuring nuclear genetic variation (AFLP) in a circumpolar marine fish, the capelin (Mallotus villosus) |
title_sort |
data from: historical introgression and the role of selective vs. neutral processes in structuring nuclear genetic variation (aflp) in a circumpolar marine fish, the capelin (mallotus villosus) |
publishDate |
2011 |
url |
http://nbn-resolving.org/urn:nbn:nl:ui:13-vm-jfua https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:118323 |
genre |
Northwest Atlantic |
genre_facet |
Northwest Atlantic |
op_relation |
doi:10.5061/dryad.8616.1/1.1 doi:10.5061/dryad.8616.1/2.1 doi:10.1111/j.1365-294X.2011.05069.x PMID:21492266 http://nbn-resolving.org/urn:nbn:nl:ui:13-vm-jfua doi:10.5061/dryad.8616.1 https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:118323 |
op_rights |
OPEN_ACCESS: The data are archived in Easy, they are accessible elsewhere through the DOI https://dans.knaw.nl/en/about/organisation-and-policy/legal-information/DANSLicence.pdf |
op_doi |
https://doi.org/10.5061/dryad.8616.1/1.110.5061/dryad.8616.1/2.110.1111/j.1365-294X.2011.05069.x10.5061/dryad.8616.1 |
_version_ |
1770273144259477504 |