Genetic diversity of stellate sturgeon of the Ural River
Abstract
The results of genetic variability of five variable microsatellite loci (Afug41, Afug51, An20, AoxD 161, AoxD 165) of stellate sturgeon, wild and artificial propagate juveniles of the Ural River are presented. Material submitted for the period 2014–2017. To assess the genetic diversity, the most informative are the loci Afug41, AoxD 161 and AoxD 165, which have the largest number of frequency-balanced alleles. Distribution of frequencies of genotypes at five microsatellite loci did not reveal intrapopulation differentiation among the spawning migrants, naturally spawned juveniles and fingerlings obtained by artificial reproduction at sturgeon fish farm hatchery of the Ural River from different years. At loci (An20, Afug51 and), there is a decrease in allelic diversity in the artificially propagate juveniles in 2014–2016 relative to the spawning migrants and wild juveniles of stellate sturgeon. These losses are still insignificant, since for the artificial reproduction at the Ural River of the Ural River, currently the producers are not from aquaculture, but from the natural environment and with high natural polymorphism.
About the Authors
G. M. Shalgimbayeva
Kazakh Research Institute of Fisheries (LLP «KazNIRKh»)
Russian Federation
Russian Federation
Almaty
A. E. Barmintseva
Russian Research Institute of Fisheries and Oceanography (FSBSI «VNIRO»)
Russian Federation
Russian Federation
Moscow
L. N. Mugue
Russian Research Institute of Fisheries and Oceanography (FSBSI «VNIRO»)
Russian Federation
Russian Federation
Moscow
K. B. Isbekov
Kazakh Research Institute of Fisheries (LLP «KazNIRKh»)
Russian Federation
Russian Federation
Almaty
N. S. Mugue
Russian Research Institute of Fisheries and Oceanography (FSBSI «VNIRO»)
Russian Federation
Russian Federation
Moscow
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Review
For citations:
Shalgimbayeva G.M., Barmintseva A.E., Mugue L.N., Isbekov K.B., Mugue N.S. Genetic diversity of stellate sturgeon of the Ural River. Trudy VNIRO. 2018;171:95-105. (In Russ.)
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