Distribution of a missense mutation (rs525805167) within the SLC45A2 gene associated with climatic conditions in Chinese cattle
文献类型： 外文期刊
作者： Ding, Cong 1 ; Ma, Junlin 1 ; Yan, Huixuan 1 ; Meng, Yizhu 1 ; Qi, Xinglei 2 ; Qu, Kaixing 3 ; Li, Fuqiang 4 ; Zhang, Jicai 5 ; Zhuzha, Basang 6 ; Quji, Suolang 6 ; Chen, Ningbo 1 ; Huang, Bizhi 5 ; Lei, Chuzhao 1 ;
作者机构： 1.Northwest A&F Univ, Coll Anim Sci & Technol, Key Lab Anim Genet Breeding & Reprod Shaanxi Prov, Yangling, Shaanxi, Peoples R China
2.Bur Anim Husb Biyang Cty, Biyang, Peoples R China
3.Chuxiong Normal Univ, Acad Sci & Technol, Chuxiong 675000, Yunnan, Peoples R China
4.Hunan Tianhua Ind Corp Ltd, Lianyuan, Peoples R China
5.Yunnan Acad Grassland & Anim Sci, Kunming, Yunnan, Peoples R China
6.Tibet Acad Agr & Anim Husb Sci, Inst Anim Husb & Vet Sci, Lhasa, Peoples R China
关键词： Chinese indigenous cattle; SLC45A2 gene; Heat tolerance; SNPs; Association analysis
期刊名称：GENE （ 影响因子：3.913； 五年影响因子：3.48 ）
ISSN： 0378-1119
年卷期： 2022 年 835 卷
页码：
收录情况： SCI
摘要： SLC45A2 is involved in the synthesis of melanin transporters. We investigated the association between single nucleotide polymorphisms (SNPs) of the SLC45A2 gene and humidity and hot conditions in indigenous cattle habitat. According to the Bovine Genome Variation Database and Selective Signatures (BGVD), we explored the frequency distribution of a missense mutation (NC_037347.1: c.1543A > G, p.ser515gly) in the SLC45A2 gene in Chinese indigenous cattle. This variation from serine to glycine caused a significant change in the protein modeling structure. PCR and partial DNA sequencing were used to genotype 541 individuals, including 28 Chinese indigenous cattle breeds as well as Angus and zebu. From our results, the mutant allele frequency of this SNP in Chinese native cattle increases gradually from north to south, which is consistent with the distribution of climatic conditions in China. In addition, according to association analysis of a missense mutation (NC_037347.1: c.1543A > G) (rs525805167) in Chinese cattle, it is closely related to the annual average temperature (T), relative humidity (RH), temperature and humidity index (THI) and solar radiation time (P < 0.01). Based on the statistical analysis of the data, we assumed that rs525805167 was associated with heat tolerance traits. Simple Summary: The characteristics of Chinese indigenous cattle are closely related to their climatic environment. In China, Bos taurus is mainly distributed in the northern regions; Bos indicus is mainly distributed in southern China. In addition, the average temperature is higher in the south than in the north, and there are many mixed ancestry breeds of B. taurus and B. indicus in the middle area. The SLC45A2 gene is related to melanin synthesis, which may be closely related to heat tolerance in cattle. The purpose of our study was to investigate whether the SLC45A2 gene is related to heat tolerance in Chinese indigenous cattle.
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