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Genomic insights into local adaptation and phenotypic diversity of Wenchang chickens

文献类型： 外文期刊

作者： Gu, Li-Hong 1 ; Wu, Ran -Ran 2 ; Zheng, Xin-Li 1 ; Fu, An 4 ; Xing, Zeng-Yang 5 ; Chen, Yi-Yong 6 ; He, Zhong-Chun 1 ; Lu, Li-Zhi 7 ; Qi, Yan-Tao 1 ; Chen, An-Hong 1 ; Zhang, Ya-Ping 2 ; Xu, Tie-Shan 10 ; Peng, Min-Sheng 4 ; Ma, Cheng 4 ;

作者机构： 1.Hainan Acad Agr Sci, Inst Anim Sci & Vet Med, Haikou 571100, Peoples R China

2.Chinese Acad Sci, Kunming Inst Zool, State Key Lab Genet Resources & Evolut, Kunming 650223, Peoples R China

3.Chinese Acad Sci, Kunming Inst Zool, Yunnan Key Lab Mol Biol Domest Anim, Kunming 650223, Peoples R China

4.Wenchang City Wenchang Chicken Res Inst, Wenchang 571300, Peoples R China

5.Wenchang Long Quan Wenchang Chicken Ind Co Ltd, Wenchang 571346, Peoples R China

6.Wen Wenchang Chicken Ind Co Ltd, Wenchang 571321, Peoples R China

7.Zhejiang Acad Agr Sci, Inst Anim Husb & Vet Sci, Hangzhou 310021, Peoples R China

8.Yunnan Univ, State Key Lab Conservat & Utilizat Bioresources Y, Kunming 650091, Peoples R China

9.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

10.Chinese Acad Trop Agr Sci, Trop Crops Genet Resources Inst, Haikou 571101, Peoples R China

关键词： Wenchang chicken; population structure; feather color; local adaptation; GWAS

期刊名称：POULTRY SCIENCE （ 影响因子：4.4； 五年影响因子：4.4 ）

ISSN： 0032-5791

年卷期： 2024 年 103 卷 3 期

页码：

收录情况： SCI

摘要： Wenchang chicken, a prized local breed in Hainan Province of China renowned for its exceptional adaptability to tropical environments , good meat quality, is deeply favored by the public. However, an insufficient understanding of its population architecture and the unclear genetic basis that governs its typical attributes have posed challenges in the protection and breeding of this precious breed. To address these gaps, we conducted whole-genome resequencing on 200 Wenchang chicken samples derived from 10 distinct strains , we gathered data on an array of 21 phenotype traits. Popula- tion genomics analysis unveiled distinctive population structures in Wenchang chickens, primarily attributed to strong artificial selection for different feather colors. Selec- tion sweep analysis identified a group of candidate genes, including PCDH9, DPF3, CDIN1, SUGCT, closely linked to adaptations that enhance resilience in tropical island habitats. Genome-wide association studies (GWAS) highlighted potential candidate genes associated with diverse feather color traits, encompassing TYR, RAB38, TRPM1, GABARAPL2, CDH1, ZMIZ1, LYST, MC1R, and SASH1. Through the comprehensive analysis of high-quality genomic and phenotypic data across diverse Wenchang chicken resource groups, this study unveils the intricate genetic backgrounds and population structures of Wenchang chickens. Additionally, it identifies multiple candidate genes linked to environmental adaptation, feather color variations, and production for the purification and breeding of Wenchang chickens of phenotypic diversity in chickens.

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