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Annals of Human Biology Volume 34, 2007 - Issue 5
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SHORT REPORT

Y-chromosome polymorphisms define the origin of the Mang, an isolated population in China

Sijie Tan Key Laboratory of Bioresources Conservation and Utilization  & Human Genetics Center, Yunnan University, Kunming 650091, PR China
,
Minhui Yang Second Hospital of Honghe Region, Jianshui 654300, PR China
,
Haijing Yu Key Laboratory of Bioresources Conservation and Utilization  & Human Genetics Center, Yunnan University, Kunming 650091, PR China
,
Yongli Dong Key Laboratory of Bioresources Conservation and Utilization  & Human Genetics Center, Yunnan University, Kunming 650091, PR China
,
Weihua Shou Key Laboratory of Bioresources Conservation and Utilization  & Human Genetics Center, Yunnan University, Kunming 650091, PR China
,
Ju Zou Key Laboratory of Bioresources Conservation and Utilization  & Human Genetics Center, Yunnan University, Kunming 650091, PR China
,
Wenru Tang Key Laboratory of Bioresources Conservation and Utilization  & Human Genetics Center, Yunnan University, Kunming 650091, PR China
,
Yue Guo Second Hospital of Honghe Region, Jianshui 654300, PR China
&
Chunjie Xiao Key Laboratory of Bioresources Conservation and Utilization  & Human Genetics Center, Yunnan University, Kunming 650091, PR ChinaCorrespondence[email protected]
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Pages 573-581 | Received 23 Sep 2006, Accepted 29 May 2007, Published online: 09 Jul 2009
 
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Abstract

The Mang is an isolated population living at the border of Vietnam and China characterized by small stature and a primordial lifestyle. However, the origin of this population remains unclear. To clarify the origin of the Mang and its genetic relationship with other populations, 20 Y-chromosome markers were analyzed, including 12 biallelic markers and eight short tandem repeats (STR) in this population, and the data compared with published data from other populations in eastern Asia. Only three Y-chromosome haplogroups, O2a*-M95, O3d-M7 and O3e-M134, were identified in Mang. Among them, the southern haplogroups O2a*-M95 were most prevalent, with a frequency of 97%. Principal component analysis (PCA) plots showed that Mang clustered with southern populations but not with northern populations. In conclusion, the present study provided evidence for the first time that the Mang population is of southern origin.

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