新疆农业科学 ›› 2023, Vol. 60 ›› Issue (10): 2590-2600.DOI: 10.6048/j.issn.1001-4330.2023.10.030

• 农业装备工程与机械化·畜牧兽医 • 上一篇    

新疆褐牛PPARγMYF5和AGPAT5基因SNP突变与体尺性状的关联分析

韩丽云1,2(), 李艳艳2, 马云1, 虎红红1, 康小龙1, 郭殿芝2, 史远刚1()   

  1. 1.宁夏大学农学院,银川 750021
    2.宁夏农垦贺兰山奶业有限公司,银川 750021
  • 收稿日期:2022-12-28 出版日期:2023-10-20 发布日期:2023-11-01
  • 通信作者: 史远刚(1962-),男,宁夏银川人,教授,博士,博士生导师,研究方向为动物遗传育种与繁殖,(E-mail)shyga818@126.com
  • 作者简介:韩丽云(1989-),女,河北衡水人,硕士研究生,研究方向为动物遗传育种,(E-mail)18152307692@163.com
  • 基金资助:
    财政部和农业农村部:现代农业产业技术体系建设项目(CARS-36)

A study of association analysis on gene PPARγ, MYF5 and AGPAT5 with body size traits in Xinjiang brown cattle

HAN Liyun1,2(), LI Yanyan2, MA Yun1, HU Honghong1, KANG Xiaolong1, GUO Dianzhi2, SHI Yuangang1()   

  1. 1. School of Agriculture, Ningxia University, Yinchuan 750021, China
    2. Ningxia Agricultural Reclamation Helanshan Diary Co. Ltd, Yinchuan 750021, China
  • Received:2022-12-28 Online:2023-10-20 Published:2023-11-01
  • Correspondence author: SHI Yuangang (1962-), male, native place :Yinchuan, Ningxia. professor, research field: animal genetics, breeding and reproduction,(E-mail)shyga818@126.com
  • Supported by:
    China Agriculture Research System of MOF and MARA(CARS-36)

摘要:

【目的】 鉴定与牛体尺性状相关的基因,筛选PPARγMYF5和AGPAT5三个基因的SNP多态性,研究SNP突变对牛体尺性状的影响,为新疆褐牛的分子育种提供标记信息。【方法】 采用PCR-RFLP方法对新疆褐牛PPARγMYF5和AGPAT5基因的突变位点进行研究,通过单倍型法构建三个目标基因的单倍型块并统计不同单倍型的基因型频率。【结果】 三个基因的6个SNP位点对体尺性状均有显著影响,mRNA二级结构预测发现PPARγ-exon7(G74T)和AGPAT5-exon7(G72A)均导致mRNA二级结构和自由能发生改变,蛋白二级结构预测发现牛PPARγ基因外显子1和AGPAT5外显子7的2个SNP位点均为错义突变,改变氨基酸结构,但是蛋白质二级结构未发生改变;MYF5外显子1的SNP位点突变为同义突变,氨基酸及蛋白质二级结构均未发生改变。【结论】 筛选PPARγMYF5和AGPAT5基因的6个SNP位点,基因PPARγMYF5和AGPAT5与牛体尺性状的关系。

关键词: 新疆褐牛; PPARγ; MYF5; AGPAT5; 体尺性状

Abstract:

【Objective】 To screen SNP polymorphisms in PPARγ, MYF5and AGPAT5 closely related to the regulation of muscle growth and development, lipid metabolism and meat quality, and reveal the effects of SNP mutations on body size traits in Xinjiang brown cattle.【Methods】 The mutation of gene PPARγ, MYF5 and AGPAT5 in Xinjiang brown cattle were screened by PCR-RFLP method.The haplotype blocks of the above three target genes were constructed by haplotype method, and the genotype frequencies of different haplotypes were counted.【Results】 SNP association analysis showed that six SNP loci of the three genes had structure PPARγ- Exon7 (g74t) and AGPAT5-exon7 (g72a) led to changes in mRNA secondary structure and free energy, and protein secondary structure prediction revealed that two SNPs in both exon 1 of PPARγand exon 7 of AGPAT5 were missense mutations, which could change amino acid, but no impact on protein secondary structure.【Conclusion】 In this study, six polymorphisms in PPARγ, MYF5, and AGPAT5 genes were screened, and through genotyping, association analysis and bioinformatics analysis, and marker AGPAT5, PPARγ, MYF5 and AGPAT5 determined the relationship with body size traits by information for molecular breeding of Xinjiang brown cattle.

Key words: Xinjiang brown cattle; PPARγ; MYF5; AGPAT5; body size

中图分类号: 


ISSN 1001-4330 CN 65-1097/S
邮发代号:58-18
国外代号:BM3342
主管:新疆农业科学院
主办:新疆农业科学院 新疆农业大学 新疆农学会

出版单位:《新疆农业科学》编辑部
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