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Genome-Wide SNPs and InDels Characteristics of Three Chinese Cattle Breeds

文献类型： 外文期刊

作者： Zhang, Fengwei 1 ; Qu, Kaixing 2 ; Chen, Ningbo 1 ; Hanif, Quratulain 3 ; Jia, Yutang 4 ; Huang, Yongzhen 1 ; Dang, Ru 1 ;

作者机构： 1.Northwest A&F Univ, Coll Anim Sci & Technol, Key Lab Anim Genet Breeding & Reprod Shaanxi Prov, Yangling 712100, Shaanxi, Peoples R China

2.Yunnan Acad Grassland & Anim Sci, Kunming 650212, Yunnan, Peoples R China

3.Pakistan Inst Engn & Appl Sci, Natl Inst Biotechnol & Genet Engn, Faisalabad 577, Pakistan

4.Anhui Acad Agr Sci, Inst Anim Sci & Vet Med, Hefei 230001, Anhui, Peoples R China

关键词： cattle; SNP; InDel; whole-genome resequencing

期刊名称：ANIMALS （ 影响因子：2.752； 五年影响因子：2.942 ）

ISSN： 2076-2615

年卷期： 2019 年 9 卷 9 期

页码：

收录情况： SCI

摘要： Simple Summary Whole-genome resequencing is an important tool to reveal the in-depth genomic characteristics of a genome. Adaptability traits are key to the survival of the south Chinese zebu cattle. However, the potential genetic information behind these remarkable traits still remains uncertain and needs to be addressed. In the current study, we utilized a total of 15 local south Chinese cattle samples (Leiqiong (LQ), Wannan (WN), Wenshan (WS)) from one of our previous studies mapped to the old reference genome (Btau_5.0.1) and remapped them to the latest reference genome (ARS-UCD1.2) to explore potential single nucleotide polymorphisms (SNPs) and insertions-deletions (InDels) responsible for some important immune related traits. The present study emphasizes and illustrates the genetic diversity, extending our previous study. The InDel annotation show that WS cattle had more enriched genes associated with immune functions than the other two breeds. Our findings provide valuable resources for further investigation of the functions of SNP- and InDels-related genes and help to determine the molecular basis of adaptive mutations in Chinese zebu cattle. We report genome characterization of three native Chinese cattle breeds discovering 34.3 M SNPs and 3.8 M InDels using whole genome resequencing. On average, 10.4 M SNPs were shared amongst the three cattle breeds, whereas, 3.0 M, 4.9 M and 5.8 M were specific to LQ, WN and WS breeds, respectively. Gene ontology (GO)analysis revealed four immune response-related GO terms were over represented in all samples, while two immune signaling pathways were significantly over-represented in WS cattle. Altogether, we found immune related genes (PGLYRP2, ROMO1, FYB2, CD46, TSC1) in the three cattle breeds. Our study provides insights into the genetic basis of Chinese indicine adaptation to the tropic and subtropical environment, and provides a valuable resource for further investigations of genetic characteristics of the three breeds.

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