Genetic diversity of swan goose (Anser cygnoides L.) in Russia: Analysis of the mitochondrial DNA control region polymorphism

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Abstract
Using to analysis of hypervariable fragment polymorphism in the control region of mitochondrial DNA(268 bp), the genetic variability of Swan goose Anser cygnoides L., included in the first category of endangered species in the Russian Red Book, has been investigated. Samples from the two main groups nesting in Russia—the Far Eastern group (Khabarovsk krai, n = 38) and the Dauric group (Chita region, n = 10) were examined. Eleven haplotypes were described. The genetic diversity of Swan geese was low comparable with that observed in some other globally endangered Eurasian goose species. Nucleotide and haplotype diversity of goose from Khabarovsk krai was 0.0031 and 0.65, respectively; in those from Chita region, 0.0041 and 0.80; and for in total group, 0.0074 and 0.77, respectively. No identical haplotypes in Swan goose from Far Eastern and Daurical groups have been demonstrated. However, the small sample size does not allow us to make final conclusions on the degree of genetic differentiation between these groups.

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