Journal Article

MtDNA and microsatellite variation in Baltic Atlantic salmon

J. Nilsson

in ICES Journal of Marine Science

Published on behalf of ICES/CIEM

Volume 54, issue 6, pages 1173-1176
Published in print December 1997 | ISSN: 1054-3139
Published online December 1997 | e-ISSN: 1095-9289 | DOI: http://dx.doi.org/10.1016/S1054-3139(97)80024-0
MtDNA and microsatellite variation in Baltic Atlantic salmon

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Variation in mtDNA and DNA microsatellites was examined in Atlantic salmon (Salmo salar) from three rivers that drain into the Baltic Sea in order to evaluate the usefulness of DNA markers for genetic characterization of Baltic salmon populations. Three microsatellite loci and variation in the mitochondrial ND1 gene were studied. Polymorphisms were found for all genetic markers studied. Three different haplotypes were found after restriction enzyme digestion of the ND1 gene. The distribution of these haplotypes varied significantly among the salmon populations. The microsatellites included one highly polymorphic locus with eight alleles, one with an intermediate level of variation and one locus with little variation. Two of the microsatellites showed significant differentiation among populations. The study demonstrates that mtDNA and microsatellites provide a large amount of variation useful in genetic studies of Baltic salmon.

Keywords: Atlantic salmon; Baltic Sea populations; genetic variation; microsatellites; mtDNA; Salmo salar

Journal Article.  0 words. 

Subjects: Environmental Science ; Marine and Estuarine Biology

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