Biological and genetic characteristics of deepwater redfish <Emphasis Type="Italic">Sebastes mentella</Emphasis> (Scorpaenidae) from the open part of the Norwegian Sea |
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Authors: | A N Stroganov Yu M Lepesevich S P Melnikov |
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Institution: | (1) Biological Faculty, Moscow State University, Vorob’evy gory, Moscow, 119899, Russia;(2) Polar Research Institute of Marine Fisheries and Oceanography (PINRO), ul. Knipovicha 6, Murmansk, 183038, Russia |
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Abstract: | The analysis is conducted of the biological and genetic characteristics of deepwater redfish Sebastes mentella from the open part of the Norwegian Sea. A similarity of the studied sample with analogous groups of deepwater redfish from the Northeast Atlantic in biological parameters and their dynamics is revealed. Polymorphism is registered in three of the nine studied enzyme loci: malic enzyme (NADF-dependent malatedehydrogenase), MEP-1*; phosphoglucomutase from the liver, PGM-2*; and glucose-6-phosphateisomerase, PGI*. A pairwise comparison of allele frequencies shows a similarity of the samples of deepwater redfish from the enclave of the Norwegian Sea. In addition, based on a pairwise analysis, significant differences are absent between the samples with similar biological characteristics from the open part of the Norwegian Sea and the Irminger Sea. |
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Keywords: | genetic markers variation morphobiological characteristics model of population structure migrations |
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