Phylogenetic relationships, demographic history, and geographic distribution of the mtDNA haplotypes of the mallard Anas platyrhynchos were examined in three populations, Indian, Northern European, and Far Eastern. Two divergent halotype groups, A and B, were found in the Far Eastern population, while haplotypes identified in Northern European and Far Eastern populations were exclusively of the A group. The presence of B group haplotypes in the Far Eastern population can be explained either in terms of hybridization of the mallard with spot-billed duck Anas zonorhyncha at the south of the Russian Far East, or by the mtDNA paraphyly in mallards. In general, mallards from Eurasia were characterized by low genetic population differentiation along with slightly expressed phylogeographic structure. The most differentiated was the population from India (Φst = 0.076−0.077), while the difference between Northern European and Far Eastern populations was extremely low (Φst = 0.0029). Differentiation of Anas platyrhynchos Indian population was determined by the fact that a part of the population, inhabiting southern and eastern coasts of the Hindustan Peninsula, was resident.
Russian Journal of Genetics – Springer Journals
Published: Jul 14, 2012
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