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Am J Phys Anthropol. 2010 Aug;142(4):558-64. doi: 10.1002/ajpa.21257.

Early Eurasian migration traces in the Tarim Basin revealed by mtDNA polymorphisms.

Author information

1
Research Center for Chinese Frontier Archaeology, Jilin University, Changchun 130012, People's Republic of China.

Abstract

The mitochondrial DNA (mtDNA) polymorphisms of 58 samples from the Daheyan village located in the central Taklamakan Desert of the Tarim Basin were determined in this study. Among the 58 samples, 29 haplotypes belonging to 18 different haplogroups were analyzed. Almost all the mtDNAs belong to a subset of either the defined Western or Eastern Eurasian pool. Extensive Eastern Eurasian lineages exist in the Daheyan population in which Northern-prevalent haplogroups present higher frequencies. In the limited existing Western Eurasian lineages, two sub-haplogroups, U3 and X2, that are rare in Central Asia were found in this study, which may be indicative of the remnants of an early immigrant population from the Near East and Caucasus regions preserved only in the Tarim Basin. The presence of U3 in modern and archeological samples in the Tarim Basin suggests that the immigration took place earlier than 2,000 years ago and points to human continuity in this area, with at least one Western lineage originating from the Near East and Caucasus regions.

PMID:
20091803
DOI:
10.1002/ajpa.21257
[Indexed for MEDLINE]

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