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Origin and dispersal of early domestic pigs in northern China

文献类型： 外文期刊

作者： Xiang, Hai 1 ; Gao, Jianqiang 5 ; Cai, Dawei 6 ; Luo, Yunbing; Yu, Baoquan; Liu, Langqing 1 ; Liu, Ranran; Zhou, 1 ;

作者机构： 1.China Agr Univ, Natl Engn Lab Anim Breeding, Beijing 100193, Peoples R China

2.China Agr Univ, Minist Agr, Key Lab Anim Genet Breeding & Reprod, Beijing 100193, Peoples R China

3.China Agr Univ, Coll Anim Sci & Technol, Beijing 100193, Peoples R China

4.Chinese Acad Sci, Inst Genet & Dev Biol, Beijing 100101, Peoples R China

5.Hebei Prov Inst Cultural Rel, Shijiazhuang 050031, Hebei, Peoples R China

6.Jilin Univ, Ancient DNA Lab, Res Ctr Chinese Frontier Archaeol, Changchun 130023, Jilin, Peoples R China

7.Jilin Univ, Anci

期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.379； 五年影响因子：5.133 ）

ISSN： 2045-2322

年卷期： 2017 年 7 卷

页码：

收录情况： SCI

摘要： It is widely accepted that modern pigs were domesticated independently at least twice, and Chinese native pigs are deemed as direct descendants of the first domesticated pigs in the corresponding domestication centers. By analyzing mitochondrial DNA sequences of an extensive sample set spanning 10,000 years, we find that the earliest pigs from the middle Yellow River region already carried the maternal lineages that are dominant in both younger archaeological populations and modern Chinese pigs. Our data set also supports early Neolithic pig utilization and a long-term in situ origin for northeastern Chinese pigs during 8,000-3,500 BP, suggesting a possibly independent domestication in northeast China. Additionally, we observe a genetic replacement in ancient northeast Chinese pigs since 3,500 BP. The results not only provide increasing evidence for pig origin in the middle Yellow River region but also depict an outline for the process of early pig domestication in northeast China.

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