华北农学报 ›› 2025, Vol. 40 ›› Issue (6): 186-193. doi: 10.7668/hbnxb.20195529

所属专题: 畜牧

• 畜牧·水产·兽 • 上一篇    下一篇

牦牛RPL8基因克隆、生物信息学及组织表达分析

何文斌1,2, 平措占堆3, 张强3, 尼玛加措4, 王洪壮4, 余道宁2, 张梦帆2, 王佟2, 冯芬2, 喇永富1,2, 马晓明1,2, 洛桑顿珠3, 梁春年1,2   

  1. 1 甘肃农业大学 动物科学技术学院,甘肃 兰州 730070
    2 中国农业科学院 兰州畜牧与兽药研究所,甘肃省牦牛繁育工程重点实验室,甘肃 兰州 730050
    3 西藏自治区农牧科学院 畜牧兽医研究所,西藏 拉萨 850004
    4 日喀则市昂仁县农业农村局,西藏 日喀则 857001
  • 收稿日期:2024-10-24 出版日期:2025-12-31
  • 通讯作者:
    梁春年(1998—),男,甘肃武威人,研究员,博士,主要从事动物遗传育种与繁殖研究。
  • 作者简介:

    何文斌(1998—),男,甘肃天水人,硕士,主要从事动物遗传育种与繁殖研究。

  • 基金资助:
    西藏自治区区域科技协同创新项目(QYXTZX-RKZ2022-03); 国家重点研发计划项目(2022YFD1302101); 现代肉牛牦牛产业技术体系(CARS-37)

Cloning,Bioinformatics,and Tissue Expression Analysis of the RPL8 Gene in the Sangsang Yak

HE Wenbin1,2, PINGCUO Zhandui3, ZHANG Qiang3, NYIMA Jiatuo4, WANG Hongzhuang4, YU Daoning2, ZHANG Mengfan2, WANG Tong2, FENG Fen2, LA Yongfu1,2, MA Xiaoming1,2, LUOSANG Donzhu3, LIANG Chunnian1,2   

  1. 1 College of Animal Science and Technology,Gansu Agricultural University,Lanzhou 730070,China
    2 Lanzhou Institute of Husbandry and Pharmaceutical Sciences,Chinese Academy of Agricultural Sciences, Key Laboratory of Yak Breeding Engineering,Gansu Province,Lanzhou 730050,China
    3 Institute of Livestock and Veterinary Research(ILVR),Xizang Academy of Agriculture and Animal Husbandry Sciences, Lhasa 850004,China
    4 Bureau of Agriculture and Rural Affairs of Anren County,Xigaze,Xigaze 857001,China
  • Received:2024-10-24 Published:2025-12-31

摘要:

探究桑桑牦牛核糖体蛋白L8基因(RPL8)的结构与理化指标,并通过qPCR技术测定牦牛各组织中RPL8基因的表达水平,旨在为深入探讨RPL8基因在牦牛体内的生物学功能奠定坚实的理论基础。以桑桑牦牛肾脏组织cDNA为模板克隆桑桑牦牛RPL8基因编码区序列(CDS ),对CDS区序列进行生信分析,并使用RT-qPCR检测RPL8基因在桑桑牦牛各组织中的相对表达水平。桑桑牦牛RPL8基因的CDS区全长456 bp,共编码151个氨基酸;同源性比对发现桑桑牦牛与家牛的同源性最高,与美洲熊亲缘关系最远;蛋白分析显示,RPL8蛋白内共有潜在磷酸化位点18个,分子质量16.293 89 ku,原子总数2 325,氨基酸等电点为10.90,不稳定系数为41.81,总平均疏水性为-0.687,预测为不稳定亲水性蛋白质,无跨膜结构域和信号肽区域。亚细胞定位显示,RPL8蛋白主要位于细胞核中(65.20%)。RPL8蛋白高级结构由无规则卷曲(49.01%)、延伸链(27.15%)、β-转角(13.91%)和α-螺旋(9.93%)相互连接而成。RT-qPCR结果显示,桑桑牦牛8个组织中均有RPL8基因的表达,在牦牛心脏、肝脏、十二指肠脏组织中表达最高,与其他组织表达差异显著。

关键词: 桑桑牦牛, RPL8基因, 基因克隆, 生物信息学分析, 组织表达

Abstract:

The objective of this research was to examine the structure and physicochemical characteristics of the ribosomal protein L8 gene (RPL8) in Sangsang yak,and to assess the expression of RPL8 in various tissues via qPCR,providing a theoretical foundation for further studies on the biological functions of RPL8 in yak.The RPL8 gene coding region (CDS) of Sangsang yak was cloned using kidney tissue cDNA as a template,and the gene sequence was analyzed using bioinformatics.RT-qPCR was employed to determine the relative expression level of RPL8 in different tissues of Sangsang yak.The CDS region of RPL8 gene in Sangsang yak was 456 bp,encoding 151 amino acids.Comparative analysis revealed that Sangsang yak had the highest homology with domestic cattle and the lowest similarity with American bear.Protein analysis identified 18 potential phosphorylation sites in RPL8 protein,molecular weight of 16.293 89 ku,total number of atoms of 2 325,amino acid isoelectric point of 10.90,instability coefficient of 41.81,and total average hydrophobicity of -0.687.The protein was predicted to be an unstable hydrophilic protein without transmembrane domains or signal peptide regions.Subcellular localization demonstrated that RPL8 protein was primarily located in the nucleus (65.20%).The secondary structure of RPL8 protein was composed of random coil (49.01%),extension chain (27.15%),β-corner (13.91%),and α-helix (9.93%).RT-qPCR results indicated that RPL8 gene was expressed in all 8 tissues of Sangsang yak,with the highest expression in heart,liver,and duodenal tissues,exhibiting significant differences compared to other tissues.

Key words: Sangsang yak, RPL8 gene, Gene cloning, Bioinformatics analysis, Tissue expression

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引用本文

何文斌, 平措占堆, 张强, 尼玛加措, 王洪壮, 余道宁, 张梦帆, 王佟, 冯芬, 喇永富, 马晓明, 洛桑顿珠, 梁春年. 牦牛RPL8基因克隆、生物信息学及组织表达分析[J]. 华北农学报, 2025, 40(6): 186-193. doi: 10.7668/hbnxb.20195529.

HE Wenbin, PINGCUO Zhandui, ZHANG Qiang, NYIMA Jiatuo, WANG Hongzhuang, YU Daoning, ZHANG Mengfan, WANG Tong, FENG Fen, LA Yongfu, MA Xiaoming, LUOSANG Donzhu, LIANG Chunnian. Cloning,Bioinformatics,and Tissue Expression Analysis of the RPL8 Gene in the Sangsang Yak[J]. Acta Agriculturae Boreali-Sinica, 2025, 40(6): 186-193. doi: 10.7668/hbnxb.20195529.