Microsatellite gene diversity analysis in anadromous arctic char, Salvelinus alpinus, from Labrador, Canada
We analysed six loci among 257 Arctic char (Salvelinus alpinus) representing seven locations in Labrador and Newfoundland to provide a first assessment of microsatellites gene diversity in anadromous char and to determine the geographic scale of population structuring within the species. The number...
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1998
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Online Access: | http://dx.doi.org/10.1139/f97-325 http://www.nrcresearchpress.com/doi/pdf/10.1139/f97-325 |
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crcansciencepubl:10.1139/f97-325 2024-09-15T18:20:06+00:00 Microsatellite gene diversity analysis in anadromous arctic char, Salvelinus alpinus, from Labrador, Canada Bernatchez, Louis Dempson, J Brian Martin, Sylvain 1998 http://dx.doi.org/10.1139/f97-325 http://www.nrcresearchpress.com/doi/pdf/10.1139/f97-325 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Canadian Journal of Fisheries and Aquatic Sciences volume 55, issue 5, page 1264-1272 ISSN 0706-652X 1205-7533 journal-article 1998 crcansciencepubl https://doi.org/10.1139/f97-325 2024-07-11T04:12:01Z We analysed six loci among 257 Arctic char (Salvelinus alpinus) representing seven locations in Labrador and Newfoundland to provide a first assessment of microsatellites gene diversity in anadromous char and to determine the geographic scale of population structuring within the species. The number of alleles per locus varied between 9 and 48, and gene diversity ranged from 0.190 to 0.968. Significant F ST and differences in allele frequencies were observed among most samples, as well as heterozygous deficiency, which was indicative of a Wahlund's effect. These results implied the existence of genetically distinct populations on a microgeographic scale (less than 10 km) and that our samples represented an admixture of char from those populations that interchange among rivers for owerwintering, in congruence with tagging investigations. These results indicate that microsatellites potentially offer more sensitivity than allozymes and mitochondrial DNA to infer fine-scale population structure in anadromous arctic char. Article in Journal/Newspaper Newfoundland Salvelinus alpinus Canadian Science Publishing Canadian Journal of Fisheries and Aquatic Sciences 55 5 1264 1272 |
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Open Polar |
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Canadian Science Publishing |
op_collection_id |
crcansciencepubl |
language |
English |
description |
We analysed six loci among 257 Arctic char (Salvelinus alpinus) representing seven locations in Labrador and Newfoundland to provide a first assessment of microsatellites gene diversity in anadromous char and to determine the geographic scale of population structuring within the species. The number of alleles per locus varied between 9 and 48, and gene diversity ranged from 0.190 to 0.968. Significant F ST and differences in allele frequencies were observed among most samples, as well as heterozygous deficiency, which was indicative of a Wahlund's effect. These results implied the existence of genetically distinct populations on a microgeographic scale (less than 10 km) and that our samples represented an admixture of char from those populations that interchange among rivers for owerwintering, in congruence with tagging investigations. These results indicate that microsatellites potentially offer more sensitivity than allozymes and mitochondrial DNA to infer fine-scale population structure in anadromous arctic char. |
format |
Article in Journal/Newspaper |
author |
Bernatchez, Louis Dempson, J Brian Martin, Sylvain |
spellingShingle |
Bernatchez, Louis Dempson, J Brian Martin, Sylvain Microsatellite gene diversity analysis in anadromous arctic char, Salvelinus alpinus, from Labrador, Canada |
author_facet |
Bernatchez, Louis Dempson, J Brian Martin, Sylvain |
author_sort |
Bernatchez, Louis |
title |
Microsatellite gene diversity analysis in anadromous arctic char, Salvelinus alpinus, from Labrador, Canada |
title_short |
Microsatellite gene diversity analysis in anadromous arctic char, Salvelinus alpinus, from Labrador, Canada |
title_full |
Microsatellite gene diversity analysis in anadromous arctic char, Salvelinus alpinus, from Labrador, Canada |
title_fullStr |
Microsatellite gene diversity analysis in anadromous arctic char, Salvelinus alpinus, from Labrador, Canada |
title_full_unstemmed |
Microsatellite gene diversity analysis in anadromous arctic char, Salvelinus alpinus, from Labrador, Canada |
title_sort |
microsatellite gene diversity analysis in anadromous arctic char, salvelinus alpinus, from labrador, canada |
publisher |
Canadian Science Publishing |
publishDate |
1998 |
url |
http://dx.doi.org/10.1139/f97-325 http://www.nrcresearchpress.com/doi/pdf/10.1139/f97-325 |
genre |
Newfoundland Salvelinus alpinus |
genre_facet |
Newfoundland Salvelinus alpinus |
op_source |
Canadian Journal of Fisheries and Aquatic Sciences volume 55, issue 5, page 1264-1272 ISSN 0706-652X 1205-7533 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/f97-325 |
container_title |
Canadian Journal of Fisheries and Aquatic Sciences |
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55 |
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5 |
container_start_page |
1264 |
op_container_end_page |
1272 |
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1810458470614302720 |