A Comparative Phylogeographic Analysis of Mitochondrial DNA Variability in Four Fish Species (Salmonidae and Cyprinidae) in the Northwest Pacific

The genetic variability of the COI and cyt b mitochondrial genes was studied in specimens of the big-scaled redfin Tribolodon hakonensis (Günther, 1877) and the Pacific redfin Tribolodon brandtii (Dybowski, 1872) collected off the coast of Sakhalin Island and the mainland coast of the Sea of Japan....

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Bibliographic Details
Published in:Russian journal of marine biology 2023-04, Vol.49 (2), p.126-133
Main Authors: Brykov, Vl. A., Malyar, V. V.
Format: Article
Language:English
Subjects:
Biomedical and Life Sciences
Comparative analysis
Divergence
Fish
Freshwater & Marine Ecology
Genes
Genetic variability
Genomes
Life Sciences
Mitochondrial DNA
Oncorhynchus keta
Original Papers
Pleistocene
Salmon
Variability
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Summary:The genetic variability of the COI and cyt b mitochondrial genes was studied in specimens of the big-scaled redfin Tribolodon hakonensis (Günther, 1877) and the Pacific redfin Tribolodon brandtii (Dybowski, 1872) collected off the coast of Sakhalin Island and the mainland coast of the Sea of Japan. The fragments of the mitochondrial genomes of these taxa have been compared to data obtained for the Sakhalin taimen Parahuсho perryi (Brevoort, 1856) and chum salmon Oncorhynchus keta (Walbaum, 1792) from similar habitats. A comparative analysis of intraspecific mtDNA indicate that the formation of mtDNA lineages in four species of fish are associated with paleoclimatic fluctuations in the northwestern Pacific region during the Pleistocene and are largely synchronous. In many cases, the calculated divergent time of mtDNA genealogical lineages coincide, which suggests the influence of similar evolutionary factors on the studied species.
ISSN:1063-0740
1608-3377
DOI:10.1134/S1063074023020037