Isolation of salmonid microsatellite loci and their application to the population genetics of Canadian east coast stocks of Atlantic salmon

Isolation of salmonid microsatellite loci and their application to the population genetics of... Genetic variation at four microsatellite loci, two isolated from Atlantic salmon and two from rainbow trout, was assayed in five populations of Alantic salmon from Nova Scotia, Canada and in samples from Norway and Ireland. Up to 38 allelles per locus and heterozygosities of 0.9 were observed at some loci. Genetic distances, calculated over the four loci for all population samples show a clear grouping of populations according to geographic location. These loci show potential as genetic markers in Atlantic salmon due to the range of polymorphisms observed among individual loci and to the ease and speed of sample assay. Highly variable loci will be of use in the ‘genetic tagging’ of cultured fish and in the assessment of levels of gene introgression from cultured to wild stocks. The clear differences in both allele frequencies and alleles observed between continents will be of value in the assessment of the relative sizes of the contributions of Canadian and North European salmon to the mixed fishery off Greenland. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aquaculture Elsevier

Isolation of salmonid microsatellite loci and their application to the population genetics of Canadian east coast stocks of Atlantic salmon

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Publisher
Elsevier
Copyright
Copyright © 1995 Elsevier Ltd
ISSN
0044-8486
DOI
10.1016/0044-8486(95)01111-0
Publisher site
See Article on Publisher Site

Abstract

Genetic variation at four microsatellite loci, two isolated from Atlantic salmon and two from rainbow trout, was assayed in five populations of Alantic salmon from Nova Scotia, Canada and in samples from Norway and Ireland. Up to 38 allelles per locus and heterozygosities of 0.9 were observed at some loci. Genetic distances, calculated over the four loci for all population samples show a clear grouping of populations according to geographic location. These loci show potential as genetic markers in Atlantic salmon due to the range of polymorphisms observed among individual loci and to the ease and speed of sample assay. Highly variable loci will be of use in the ‘genetic tagging’ of cultured fish and in the assessment of levels of gene introgression from cultured to wild stocks. The clear differences in both allele frequencies and alleles observed between continents will be of value in the assessment of the relative sizes of the contributions of Canadian and North European salmon to the mixed fishery off Greenland.

Journal

AquacultureElsevier

Published: Dec 1, 1995

References

  • A novel synthetic probe for DNA fingerprinting salmonid fishes
    Bentzen, P.; Taylor, E.B.; Wright, J.M.
  • A review of genetic variation in Atlantic salmon, Salmo salar L., and its importance for stock identification, enhancement programmes and aquaculture
    Davidson, W.S.; Birt, T.P.; Green, J.M.
  • Protein variation in wild Atlantic salmon, with particular reference to southern Ireland
    McElligott, E.A.; Cross, T.F.
  • Minisatellite DNA fingerprints of salmonid fishes
    Taggart, J.B.; Ferguson, A.
  • Hypervariable minisatellite DNA single locus probes for the Atlantic salmon, Salmo salar L
    Taggart, J.B.; Ferguson, A.
  • A simplified protocol for routine total DNA isolation from salmonid fishes
    Taggart, J.B.; Hynes, R.A.; Prodöhl, P.A.; Ferguson, A.
  • Biochemical genetics and fishery management: an historical perspective
    Utter, F.M.
  • DNA fingerprinting of fishes
    Wright, J.M.

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