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DNA polymorphism, genetic originality and identification of sterlet populations and replacement broodstock (Acipenser ruthenus)
Author(s) -
L. V. Komarova,
AUTHOR_ID,
A. R. Peleeva,
N. V. Kostitsyna,
A. G. Melnikova,
Svetlana Boronnikova,
AUTHOR_ID,
AUTHOR_ID,
AUTHOR_ID,
AUTHOR_ID
Publication year - 2021
Publication title -
vestnik permskogo universiteta. seriâ biologiâ
Language(s) - English
Resource type - Journals
ISSN - 1994-9952
DOI - 10.17072/1994-9952-2021-1-53-60
Subject(s) - broodstock , biology , genetic diversity , microsatellite , genetic variability , genetic variation , zoology , genetics , genotype , population , gene , allele , fishery , fish <actinopterygii> , aquaculture , demography , sociology
DNA polymorphism has been studied, indicators of genetic diversity and genetic originality have been de-termined for three natural populations and three replacement broodstocks of sterlet (Acipenser ruthenus Linnaeus, Acipenseridae) from the Volga Federal District. In the group of A. ruthenus replacement broodstock, 106 ISSR-PСR markers were identified, and in the group of natural populations, 103 ISSR-PСR markers. The indicators of genetic diversity and the coefficient of genetic originality (CGO) were slightly higher in the group of natural populations. Analysis of genetic structure of natural populations and groups of broodstock herds A. ruthenus showed that the coefficient of genetic differentiation are also slightly higher in the group of natural populations and equal 0,377. As a result of molecular genetic iden-tification, generic and species identification fragments of sterlet DNA were revealed, as well as combina-tions of polymorphic fragments for identification of the studied natural populations and stocks. The data obtained can be used to preserve the gene pool of populations, which is characteristic for a particular re-gion.

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