Factors responsible for spatial population genetic structure in white-spotted char Salvelinus leucomaensis (Pallas)

Factors responsible for spatial population genetic structure in white-spotted char Salvelinus... Using personal data obtained earlier on the spatial population genetic structure of white-spotted char at ten microsatellite loci, an analysis of factors shaping the interpopulation divergence was performed. The primary role of genetic drift in population differentiation over the distribution range was demonstrated, compared to the practically absent role of stepwise mutation process. This result points to the common origin and relative connections between southern and northern population groups. In the majority of populations, no bottleneck effect was detected. Exclusion of the genetically peculiar Primorye population from the analysis resulted in the identification of the isolation by distance signatures among the examined populations. Such an correlation can be determined both by the migratory exchange between the populations, and it could have formed during the historical post-Pleistocene colonization of the range. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Factors responsible for spatial population genetic structure in white-spotted char Salvelinus leucomaensis (Pallas)

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Publisher
Springer Journals
Copyright
Copyright © 2014 by Pleiades Publishing, Inc.
Subject
Biomedicine; Human Genetics; Animal Genetics and Genomics; Microbial Genetics and Genomics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795414120102
Publisher site
See Article on Publisher Site

Abstract

Using personal data obtained earlier on the spatial population genetic structure of white-spotted char at ten microsatellite loci, an analysis of factors shaping the interpopulation divergence was performed. The primary role of genetic drift in population differentiation over the distribution range was demonstrated, compared to the practically absent role of stepwise mutation process. This result points to the common origin and relative connections between southern and northern population groups. In the majority of populations, no bottleneck effect was detected. Exclusion of the genetically peculiar Primorye population from the analysis resulted in the identification of the isolation by distance signatures among the examined populations. Such an correlation can be determined both by the migratory exchange between the populations, and it could have formed during the historical post-Pleistocene colonization of the range.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Dec 21, 2014

References

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