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Hydrobiological Journal
SJR: 0.227 SNIP: 0.575 CiteScore™: 0.24

ISSN Print: 0018-8166
ISSN Online: 1943-5991

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v40.i3.20
12 pages

Interannual Intrapopulational Variability of Russian Sturgeon of the North Caspian Population by the Quantity and Frequency of Occurrence of Various Phenotypes of Hemoglobin in the River Period of Life

V. I. Luk'yanenko
Upper Volga Branch of Russian Ecological Academy, Yaroslavl'; and Institute of Biology of Internal Waters of Russian Academy of Science Borok, Yaroslavl' Region, Russia
V. V. Luk'yanenko
Upper Volga Branch of Russian Ecological Academy, Yaroslavl'; and Institute of Biology of Internal Waters of Russian Academy of Science Borok, Yaroslavl' Region, Russia
M. V. Khabarov
Upper Volga Branch of Russian Ecological Academy, Yaroslavl'; and Institute of Biology of Internal Waters of Russian Academy of Science Borok, Yaroslavl' Region, Russia

ABSTRACT

This work is devoted to one of the most important problems of population genetics of fish - the possibility to use the frequency of occurrence of some phenotypes of polymorphic proteins in population-genetic studies of the intraspecific structure of polymorphic species to reveal the number of populations and define their ranges. The phenomenon of interannual variability of the frequency of occurrence of different phenotypes of hemoglobin, one of the most important functionally specialized blood proteins, is described on the basis of studies of the North Caspian population of Russian sturgeon (Acipenser güldenstädti). A unique biochemical polymorphism of this population (17 phenotypes of hemoglobin) has been discovered.


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