Mitochondrial DNA evidence for admixed origins of central Siberian populations

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Abstract
The Yakuts of northeastern Siberia are a Turkic‐speaking population of horse‐ and cattle‐breeders surrounded by Tungusic‐speaking reindeer‐herders and hunter‐gatherers. Archaeological and ethnohistorical data suggest that Yakuts stem from a common ancestral population with the Buryats living near Lake Baikal. To address this hypothesis, we obtained sequences of the first hypervariable segment (HV1) of the mitochondrial DNA control region from Yakuts and Buryats and compared these with sequences from other Eurasian populations. The mtDNA results show that the Buryats have close affinities with both Central Asian Turkic groups and Mongols, while the Yakuts have close affinities with northeastern Siberian, Tungusic‐speaking Evenks and south Siberian, Turkic‐speaking Tuvans. This different ancestry of the Yakuts and the Tuvans (compared with other Turkic‐speaking groups) most likely reflects extensive admixture that occurred between Turkic‐speaking steppe groups and Evenks as the former migrated into Siberia. Moreover, the Yakuts are unique among Siberian populations in having a high number of haplotypes shared exclusively with Europeans, suggesting, contrary to the historical record, that occasionally Yakut men took Russian women as wives. Am J Phys Anthropol 120:211–224, 2003.