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Genomically Selected Genes Associated with a High Rate of Egg Production in Puan Panjiang Black-Bone Chickens

文献类型： 外文期刊

作者： Miao, Xiaomeng 1 ; Huang, Zhiying 3 ; Liu, Jia 4 ; Zhang, Li 4 ; Feng, Yulong 2 ; Zhang, Yalan 1 ; Li, Diyan 5 ; Ning, Zhonghua 1 ;

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

2.Guizhou Acad Agr Sci, Inst Anim Husb & Vet Med, Guiyang 550005, Peoples R China

3.Shanxi Agr Univ, Coll Anim Sci, Taiyuan 030801, Peoples R China

4.Guizhou Prov Dept Agr & Rural Affairs, Guizhou Prov Livestock & Poultry Genet Resources M, Guiyang 550001, Peoples R China

5.Chengdu Univ, Sch Pharm, Chengdu 610106, Peoples R China

关键词： population genomics; gene selection; transcriptome; egg production; chicken

期刊名称：ANIMALS （ 影响因子：2.7； 五年影响因子：3.2 ）

ISSN： 2076-2615

年卷期： 2025 年 15 卷 3 期

页码：

收录情况： SCI

摘要： Puan Panjiang black-bone chickens are renowned for their distinctive traits, deep black coloration, and high-quality protein content, making them a focus of genetic research due to their unique egg-laying abilities. In this study, 110 Puan Panjiang black-bone chickens were used to investigate the effects of natural and artificial selection influencing egg production. Whole-genome resequencing data from red junglefowl (RJF) and high-egg-production (HEP) and low-egg-production (LEP) groups of Puan Panjiang black-bone chickens revealed significant genetic variants associated with egg production traits. Additionally, transcriptome analysis of 47 samples from ovary stroma, small white follicles (SWFs), small yellow follicles (SYFs), and liver tissues from 6 HEP and 6 LEP groups identified differentially expressed genes. Notably, differences in egg production were linked to small yellow follicles rather than ovary stroma or SWFs. Key candidate genes, including TRIM7, CASR, SPTBN5, GAL1, ZP1, IL4I1, and CCL19, were identified as potential contributors to egg-laying performance. This study underscores the genetic diversity within this breed and provides valuable insights for future breeding programs to enhance egg production, supporting the sustainable development of this local resource.

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