Abstract
Comparative bioinformation analysis of nucleotide composition of subunit 1 cytochrome oxydase gene (Co-1) mtDNA subunit of north-okhotomore population with representatives of other halibut genera was carried out. Statistical analysis of nucleotide sequences of a fragment of the gene cytochrome oxidase mtDNA of pacific halibut Hippoglossus stenolepis: haplotype diversity 0.852 ± 0.0059, nucleotide 0.00430 ± 0.009465. About 1% of the total value of nucleotide diversity in individuals from eastern and western regions is determined. Analysis of nucleotide sequences of the same gene in pacific greenland halibut Reinhardtius hippoglossoides matsuurae: haplotype diversity was 0.806 ± 0.0399, nucleotide diversity - 0.00185 ± 0.000149. About 6% of the relative value of nucleotide diversity is determined by interpopulation differences. The minimum value of haplotype diversity was determined in the northern halibut flounder Hippoglossus robustus, while in the second species of this genus Hipploglossus platessoides, the haplotype diversity is similar to the representatives of two genera Cleisthenes and Hippoglossus. The maximum value of haplotypic diversity was found in the Cleisthenes herzensteini, representatives of the Atherestes and Reinchardtius genera have intermediate values. The species Atherestes stomias is sharply separated from species of other genera, which is associated with a high degree of genetic differences between representatives of this genus and those from other genera.
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