Genetic differentiation of the Dolly Varden char Salvelinus malmaWalbaum was studied in five populations from the western part of the Northern Pacific. Using restriction analysis (RFLP), we examined polymorphism of three mitochondrial DNA (mtDNA) fragments amplified in polymerase chain reaction (PCR). MtDNA haplotypes were shown to fall into two phylogenetic groups, which probably reflect the existence of two previously described subspecies of Asian Dolly Varden,S. malma malma and S. malma krascheninnikovi. The divergence of mtDNA nucleotide sequences in the Dolly Varden subspecies (about 4%) corresponds to the differences between the valid char species from the genus Salvelinus.
Russian Journal of Genetics – Springer Journals
Published: Oct 13, 2004
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