Phylogenetic relationships of Sakhalin taimen Parahucho perryi inferred from PCR-RFLP analysis of mitochondrial DNA

Phylogenetic relationships of Sakhalin taimen Parahucho perryi inferred from PCR-RFLP analysis of... RFLP analysis of three amplified mtDNA fragments (Cytb/D-loop, ND1/ND2, and ND3/ND4L/ND4) was performed in the following taxa: Parahucho perryi, Hucho taimen, Brachymystax lenok, B. tumensis, Salmo salar, Salvelinus leucomaenis, and S. levanidovi. For mtDNA of P. perryi, a substantial decrease in the haplotype and nucleotide diversity was observed as a result of random genetic drift, caused by a reduction in the effective population size. Nucleotide divergence estimates between the mtDNA haplotypes were determined. Sakhalin taimen P. perryi was found to be approximately equally diverged from S. salar and from the charrs of the genus Salvelinus, by 11.0 and 10.0%, respectively. The divergence between P. perryi and H. taimen constituted 14.6%, between P. perryi and lenoks of the genus Brachymystax, 14.2%, and between H. taimen and Brachymystax, 7.7%. The analysis of possible phylogenetic relationships of the mtDNA from P. perryi among the group of taxa examined confirmed validity of the genus Parahucho. Phylogenetic reconstructions performed showed that robustness of the trees constructed for the complex of phylogenetically informative characters over three mtDNA fragments was considerably higher than that of the trees constructed for individual genes. Russian Journal of Genetics Springer Journals

Phylogenetic relationships of Sakhalin taimen Parahucho perryi inferred from PCR-RFLP analysis of mitochondrial DNA

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SP MAIK Nauka/Interperiodica
Copyright © 2008 by MAIK Nauka
Biomedicine; Microbial Genetics and Genomics; Animal Genetics and Genomics; Human Genetics
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