Whole-genome selective sweep analysis of Danish Large White and Chinese indigenous pig populations
文献类型： 外文期刊
作者： Wu, Xudong 1 ; Xiang, Decai 2 ; Duan, Bofang 3 ; Zhang, Wei 1 ; Li, Mo. 1 ; Ding, Yueyun 4 ; Zhao, Zilong 5 ; Zhao, Guiying 6 ; Yin, Zongjun 4 ;
作者机构： 1.Anhui Acad Agr Sci, Inst Anim Husb & Vet Med, Anhui Prov Key Lab Livestock & Poultry Prod Safety, Hefei, Peoples R China
2.Yunnan Anim Sci & Vet Inst, Yunnan Prov Engn Lab Anim Genet Resource Conservat, Kunming, Peoples R China
3.Yunnan Anim Dis Prevent & Control Ctr, Lufeng, Peoples R China
4.Anhui Agr Univ, Coll Anim Sci & Technol, Hefei, Peoples R China
5.Anhui Da Zi Ran Pig Breeding Farm Corp Ltd, Hefei, Peoples R China
6.Yunnan Agr Univ, Coll Anim Sci & Technol, Kunming, Peoples R China
关键词： Signatures of selection; pig breeding; whole-genome re-sequencing; reproduction trait; candidate gene
期刊名称：ANIMAL BIOTECHNOLOGY （ 影响因子：1.8； 五年影响因子：2.0 ）
ISSN： 1049-5398
年卷期： 2025 年 36 卷 1 期
页码：
收录情况： SCI
摘要： The pig industry is an important component of Chinese agriculture. Chinese indigenous and Western commercial pig breeds provide valuable genetic resources for sustainable development of the pig industry, and selective signal analysis can advance our understanding of artificial and natural selective processes. In this study, we used whole genome re-sequencing data to analyze selection signatures in 43 Danish Large White [LW] pigs and 60 Chinese indigenous pigs (24 Anqing six-end white [AQ], 6 Asian wild [SS] pigs, 15 Diqing Tibetan [DQZ], and 15 Diannan small-ear [DN] pigs). We employed two calculation methods (FST and pi ratio) to identify the selection signals of LW and Chinese indigenous pigs (top 1%). Among the selective sweep regions, 15 and 117 candidate genes were identified in Chinese indigenous pigs and LW pigs, respectively. The PIK3IP1, TUG1, and SELENOM genes were related to environmental adaptation in Chinese indigenous pigs; ALDH1A2, APC2, PTBP1, APQ9, and FGF7 were related to reproductive performance in LW pigs. Our findings provide insights into the genetic basis of economic traits of LW and Chinese indigenous pigs and offer a useful reference for future pig breeding and production.
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