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SNP of AHSA2 gene in three cattle breeds using snapshot technology

机译:使用快照技术的三个牛种类的AHSA2基因的SNP

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摘要

Droughtmaster is a tropical breed of beef cattle that can survive in hot climates and easily adapt to torrid environments. These traits are important in livestock breeding. In this study, we genotyped five single-nucleotide polymorphisms (SNPs) of theAHSA2gene from 190 cattle belonging to three different breeds (Droughtmaster, Angus and Simmental) by using snapshot technology. This work aimed to identify the valuable molecular marker of heat resistance in cattle. Results showed that Droughtmaster exhibited higher expected heterozygosity and polymorphic information content compared with the two other breeds. TheAHSA2-1 locus deviated from the Hardy-Weinberg equilibrium in the Droughtmaster breed (P< 0.05). Two SNPs in Droughtmaster diverged significantly from Angus and Simmental. The SNPs were identified asAHSA2-3 andAHSA2-4, which were closely linked to the three breeds based on pair-wiseF(ST).AHSA2-4 involved a missense mutation. In summary, the GG genotypes inAHSA2-3 andAHSA2-4 may be candidate genotypes associated with heat resistance traits and may serve as valuable genetic markers for breeding of heat-tolerant beef cattle in the future.
机译:Droughtmaster是一种热带肉牛品种,可以在炎热的气候下生存,并很容易适应炎热的环境。这些特性在家畜育种中很重要。在本研究中,我们使用snapshot技术对来自三个不同品种(Droughtmaster、Angus和Simmental)的190头牛的HSA2基因的五个单核苷酸多态性(SNPs)进行了基因分型。本研究旨在鉴定牛耐热性的有价值的分子标记。结果表明,与其他两个品种相比,Droughtmaster表现出更高的期望杂合度和多态信息含量。在Droughtmaster品种中,HSA2-1基因座偏离了Hardy-Weinberg平衡(P<0.05)。Droughtmaster中的两个SNP与安格斯和西门塔尔有显著差异。SNPs被鉴定为HSA2-3和HSA2-4,这两个SNPs与基于配对wiseF(ST)的三个品种密切相关。AHSA2-4涉及错义突变。综上所述,GG基因型inAHSA2-3和HSA2-4可能是与耐热性状相关的候选基因型,并可能作为未来耐热肉牛育种的有价值的遗传标记。

著录项

  • 来源
    《Journal of genetics》 |2020年第1期|共6页
  • 作者单位

    Southwest Univ Coll Anim Sci &

    Technol Chongqing Key Lab Forage &

    Herbivore Chongqing Engn Res Ctr Herbivores Resource Protec Chongqing 400716 Peoples R China;

    Southwest Univ Coll Anim Sci &

    Technol Chongqing Key Lab Forage &

    Herbivore Chongqing Engn Res Ctr Herbivores Resource Protec Chongqing 400716 Peoples R China;

    Southwest Univ Coll Anim Sci &

    Technol Chongqing Key Lab Forage &

    Herbivore Chongqing Engn Res Ctr Herbivores Resource Protec Chongqing 400716 Peoples R China;

    Tibet Acad Agr &

    Anim Husb Sci TAAAS State Key Lab Barley &

    Yak Germplasm Resources &

    Lhasa 850002 Tibet Peoples R China;

    Tibet Acad Agr &

    Anim Husb Sci TAAAS State Key Lab Barley &

    Yak Germplasm Resources &

    Lhasa 850002 Tibet Peoples R China;

    Southwest Univ Coll Anim Sci &

    Technol Chongqing Key Lab Forage &

    Herbivore Chongqing Engn Res Ctr Herbivores Resource Protec Chongqing 400716 Peoples R China;

    Southwest Univ Coll Anim Sci &

    Technol Chongqing Key Lab Forage &

    Herbivore Chongqing Engn Res Ctr Herbivores Resource Protec Chongqing 400716 Peoples R China;

    Southwest Univ Coll Anim Sci &

    Technol Chongqing Key Lab Forage &

    Herbivore Chongqing Engn Res Ctr Herbivores Resource Protec Chongqing 400716 Peoples R China;

    Southwest Univ Coll Anim Sci &

    Technol Chongqing Key Lab Forage &

    Herbivore Chongqing Engn Res Ctr Herbivores Resource Protec Chongqing 400716 Peoples R China;

    Southwest Univ Coll Anim Sci &

    Technol Chongqing Key Lab Forage &

    Herbivore Chongqing Engn Res Ctr Herbivores Resource Protec Chongqing 400716 Peoples R China;

    Southwest Univ Coll Anim Sci &

    Technol Chongqing Key Lab Forage &

    Herbivore Chongqing Engn Res Ctr Herbivores Resource Protec Chongqing 400716 Peoples R China;

    Southwest Univ Coll Anim Sci &

    Technol Chongqing Key Lab Forage &

    Herbivore Chongqing Engn Res Ctr Herbivores Resource Protec Chongqing 400716 Peoples R China;

    Southwest Univ Coll Anim Sci &

    Technol Chongqing Key Lab Forage &

    Herbivore Chongqing Engn Res Ctr Herbivores Resource Protec Chongqing 400716 Peoples R China;

    Qixia Manor Vet Stn Qixia 265300 Shandong Peoples R China;

    Southwest Univ Coll Anim Sci &

    Technol Chongqing Key Lab Forage &

    Herbivore Chongqing Engn Res Ctr Herbivores Resource Protec Chongqing 400716 Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 遗传学;
  • 关键词

    AHSA2gene; heat stress; snapshot technology; single-nucleotide polymorphism;

    机译:Ahsa2gene;热应激;快照技术;单核苷酸多态性;

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