基于线粒体DNA D-loop区对中国藏绵羊母系谱系的Meta分析证据
Meta-analysis evidence of maternal lineages in Chinese Tibetan sheep using mtDNA D-loop panel.
作者信息
Guangxin E, Yong-Ju Zhao, Ri-Su Na, Yue-Hui Ma, Jia-Hua Zhang, Li-Peng Chen, Xiao-Yu Qiu, Zhong-Quan Zhao, Ya-Wang Sun, Xin Wu, Yong-Fu Huang
机构信息
a College of Animal Science and Technology Chongqing Key Laboratory of Forage & Herbivore Chongqing Engineering Research Centre for Herbivores Resource Protection and Utilization , Southwest University , Chongqing , China.
b Institute of Animal Science , Chinese Academy of Agricultural Sciences (CAAS) , Beijing , China.
出版信息
Mitochondrial DNA A DNA Mapp Seq Anal. 2017 Jul;28(4):579-583. doi: 10.3109/24701394.2016.1143469. Epub 2016 Mar 17.
The Tibetan sheep is an indigenous breed living in the entire Tibetan Plateau, and its origin and phylogenic relationships are still uncertain and controversial. In this study, we analyzed partial mtDNA D-loop sequences of 156 Chinese Tibetan sheep individuals from 12 distributed geographic ecotype populations. Phylogenetic analysis indicated that three maternal lineages (haplogroups A, B and C) were found in this breed and that Ovis vignei and Ovis ammon have possibly contributed to the original Tibetan sheep. The absence of haplogroups D and E in Tibetan sheep suggests that this breed did not originate in the Middle East, China.
藏羊是生活在整个青藏高原的本土品种，其起源和系统发育关系仍然不确定且存在争议。在本研究中，我们分析了来自12个分布地理生态型群体的156只中国藏羊个体的部分线粒体DNA D-loop序列。系统发育分析表明，该品种中发现了三个母系谱系（单倍群A、B和C），且捻角山羊和盘羊可能对原始藏羊有贡献。藏羊中没有单倍群D和E，这表明该品种并非起源于中东或中国。
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