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Extensive intra- and inter-genetic admixture of Chinese gamecock and other indigenous chicken breeds revealed by genomic data.


ABSTRACT: Genomic admixture is a widespread phenomenon among domestic animal breeds, including chickens. However, reports on admixture within Chinese gamecocks or other indigenous chickens are limited. This study focuses on the population genetic structure and admixture of 5 Chinese gamecock breeds and the admixture with 9 other indigenous Chinese chicken breeds. Our results showed that Turpan and Henan gamecocks were grouped into one cluster, whereas Luxi, Zhangzhou, and Xishuangbanna gamecocks were grouped into the other cluster. Gene flow occurred between Xishuangbanna and Turpan and Turpan and Luxi gamecocks. Simultaneously, gene flow was observed between gamecocks and indigenous chickens, such as Xishuangbanna and Wenchang. Ancestral component analysis indicated that modern domestic chickens in southern China played an important role in the history of the domestication of modern Chinese gamecock. Our study will be helpful in better understanding the domestication and evolution of Chinese gamecock.

SUBMITTER: Ren X 

PROVIDER: S-EPMC10220482 | biostudies-literature | 2023 May

REPOSITORIES: biostudies-literature

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Extensive intra- and inter-genetic admixture of Chinese gamecock and other indigenous chicken breeds revealed by genomic data.

Ren Xufang X   Guan Zi Z   Li Haiying H   Wen Junhui J   Zhao Xiurong X   Wang Gang G   Zhang Xinye X   Wang Huie H   Zhang Li L   Yu Fuqing F   Qu Lujiang L  

Poultry science 20230502 7


Genomic admixture is a widespread phenomenon among domestic animal breeds, including chickens. However, reports on admixture within Chinese gamecocks or other indigenous chickens are limited. This study focuses on the population genetic structure and admixture of 5 Chinese gamecock breeds and the admixture with 9 other indigenous Chinese chicken breeds. Our results showed that Turpan and Henan gamecocks were grouped into one cluster, whereas Luxi, Zhangzhou, and Xishuangbanna gamecocks were grou  ...[more]

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