Post‐glacial recolonization of the North American Arctic by Arctic char ( Salvelinus alpinus): genetic evidence of multiple northern refugia and hybridization between glacial lineages
Abstract Aims We investigated post‐glacial recolonization of the North American Arctic by Arctic char ( Salvelinus alpinus ) and examined potential hybridization between different glacial lineages upon secondary contact. Location North American Arctic and adjacent areas. Methods We collected mt DNA...
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crwiley:10.1111/jbi.12600 2024-06-23T07:48:06+00:00 Post‐glacial recolonization of the North American Arctic by Arctic char ( Salvelinus alpinus): genetic evidence of multiple northern refugia and hybridization between glacial lineages Moore, Jean‐Sébastien Bajno, Robert Reist, James D. Taylor, Eric B. Natural Sciences and Engineering Research Council of Canada Fonds Québécois de la Recherche sur la Nature et les Technologies University of British Columbia W. Garfield Weston Foundation 2015 http://dx.doi.org/10.1111/jbi.12600 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fjbi.12600 https://onlinelibrary.wiley.com/doi/pdf/10.1111/jbi.12600 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Journal of Biogeography volume 42, issue 11, page 2089-2100 ISSN 0305-0270 1365-2699 journal-article 2015 crwiley https://doi.org/10.1111/jbi.12600 2024-05-31T08:15:58Z Abstract Aims We investigated post‐glacial recolonization of the North American Arctic by Arctic char ( Salvelinus alpinus ) and examined potential hybridization between different glacial lineages upon secondary contact. Location North American Arctic and adjacent areas. Methods We collected mt DNA sequence data from 1355 individuals from 110 sampling locations and data from nine microsatellite loci from 931 individuals from 37 locations. We assessed the phylogenetic relationships and geographical distribution of mt DNA haplotypes and conducted historical demographic analyses. We used a Bayesian clustering analysis method to detect potential hybridization between glacial lineages. Results Two highly divergent mt DNA lineages were identified in the Arctic region with distinct but overlapping geographic distributions: one in Beringia and the other over the entire Arctic Archipelago and coastal mainland east of Alaska. The microsatellite data also implied the existence of these two lineages. Evidence of hybridization was detected between the Arctic lineage and an Atlantic lineage in eastern North America. Main conclusions Our data suggested survival and recolonization from two northern glacial refugia: one in Beringia and another in a smaller refugium, perhaps in the Arctic Archipelago itself or a separate refugium within Beringia. Patterns of hybridization detected supported the presence of a secondary contact zone between glacial lineages in the eastern Canadian Arctic. Article in Journal/Newspaper Archipelago Arctic Archipelago Arctic Salvelinus alpinus Alaska Beringia Wiley Online Library Arctic Journal of Biogeography 42 11 2089 2100 |
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Open Polar |
collection |
Wiley Online Library |
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crwiley |
language |
English |
description |
Abstract Aims We investigated post‐glacial recolonization of the North American Arctic by Arctic char ( Salvelinus alpinus ) and examined potential hybridization between different glacial lineages upon secondary contact. Location North American Arctic and adjacent areas. Methods We collected mt DNA sequence data from 1355 individuals from 110 sampling locations and data from nine microsatellite loci from 931 individuals from 37 locations. We assessed the phylogenetic relationships and geographical distribution of mt DNA haplotypes and conducted historical demographic analyses. We used a Bayesian clustering analysis method to detect potential hybridization between glacial lineages. Results Two highly divergent mt DNA lineages were identified in the Arctic region with distinct but overlapping geographic distributions: one in Beringia and the other over the entire Arctic Archipelago and coastal mainland east of Alaska. The microsatellite data also implied the existence of these two lineages. Evidence of hybridization was detected between the Arctic lineage and an Atlantic lineage in eastern North America. Main conclusions Our data suggested survival and recolonization from two northern glacial refugia: one in Beringia and another in a smaller refugium, perhaps in the Arctic Archipelago itself or a separate refugium within Beringia. Patterns of hybridization detected supported the presence of a secondary contact zone between glacial lineages in the eastern Canadian Arctic. |
author2 |
Natural Sciences and Engineering Research Council of Canada Fonds Québécois de la Recherche sur la Nature et les Technologies University of British Columbia W. Garfield Weston Foundation |
format |
Article in Journal/Newspaper |
author |
Moore, Jean‐Sébastien Bajno, Robert Reist, James D. Taylor, Eric B. |
spellingShingle |
Moore, Jean‐Sébastien Bajno, Robert Reist, James D. Taylor, Eric B. Post‐glacial recolonization of the North American Arctic by Arctic char ( Salvelinus alpinus): genetic evidence of multiple northern refugia and hybridization between glacial lineages |
author_facet |
Moore, Jean‐Sébastien Bajno, Robert Reist, James D. Taylor, Eric B. |
author_sort |
Moore, Jean‐Sébastien |
title |
Post‐glacial recolonization of the North American Arctic by Arctic char ( Salvelinus alpinus): genetic evidence of multiple northern refugia and hybridization between glacial lineages |
title_short |
Post‐glacial recolonization of the North American Arctic by Arctic char ( Salvelinus alpinus): genetic evidence of multiple northern refugia and hybridization between glacial lineages |
title_full |
Post‐glacial recolonization of the North American Arctic by Arctic char ( Salvelinus alpinus): genetic evidence of multiple northern refugia and hybridization between glacial lineages |
title_fullStr |
Post‐glacial recolonization of the North American Arctic by Arctic char ( Salvelinus alpinus): genetic evidence of multiple northern refugia and hybridization between glacial lineages |
title_full_unstemmed |
Post‐glacial recolonization of the North American Arctic by Arctic char ( Salvelinus alpinus): genetic evidence of multiple northern refugia and hybridization between glacial lineages |
title_sort |
post‐glacial recolonization of the north american arctic by arctic char ( salvelinus alpinus): genetic evidence of multiple northern refugia and hybridization between glacial lineages |
publisher |
Wiley |
publishDate |
2015 |
url |
http://dx.doi.org/10.1111/jbi.12600 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fjbi.12600 https://onlinelibrary.wiley.com/doi/pdf/10.1111/jbi.12600 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Archipelago Arctic Archipelago Arctic Salvelinus alpinus Alaska Beringia |
genre_facet |
Archipelago Arctic Archipelago Arctic Salvelinus alpinus Alaska Beringia |
op_source |
Journal of Biogeography volume 42, issue 11, page 2089-2100 ISSN 0305-0270 1365-2699 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/jbi.12600 |
container_title |
Journal of Biogeography |
container_volume |
42 |
container_issue |
11 |
container_start_page |
2089 |
op_container_end_page |
2100 |
_version_ |
1802638542963212288 |