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中国农学通报 ›› 2017, Vol. 33 ›› Issue (5): 101-106.doi: 10.11924/j.issn.1000-6850.casb16090022

所属专题: 生物技术 畜牧兽医

• 畜牧 动物医学 蚕 蜂 • 上一篇    下一篇

奶牛粘合素蛋白的生物信息学分析

李亚娟,王慧,王东升,张世栋,何宝祥,严作廷,杨志强,董书伟,何玉琴   

  1. 中国农业科学院兰州畜牧与兽药研究所,甘肃农业大学生命科学技术学院,中国农业科学院兰州畜牧与兽药研究所,中国农业科学院兰州畜牧与兽药研究所,广西大学,中国农业科学院兰州畜牧与兽药研究所,中国农业科学院兰州畜牧与兽药研究所,中国农业科学院兰州畜牧与兽药研究所,甘肃农业大学生命科学技术学院
  • 收稿日期:2016-09-05 修回日期:2016-11-08 接受日期:2016-11-25 出版日期:2017-03-01 发布日期:2017-03-01
  • 通讯作者: 董书伟
  • 基金资助:
    国家自然科学青年(31302156);甘肃省青年科技基金计划1506RJYA145;中央级基本科研业务费项目

Bioinformatics Analysis of CGN Protein in Dairy Cows

  • Received:2016-09-05 Revised:2016-11-08 Accepted:2016-11-25 Online:2017-03-01 Published:2017-03-01

摘要: 为进一步了解奶牛CGN蛋白的性质和功能,采用生物信息学方法,利用在线软件和生物学数据库,对其CGN蛋白的氨基酸序列、二级结构、三级结构和生物学功能等进行预测。序列分析可知:CGN蛋白是亲水性不跨膜的蛋白,信号肽存在于20~21 位氨基酸之间,二级结构主要以α-螺旋和无规则卷曲为主,并且主要在质膜中发挥生物学作用。生物学功能预测结果表明,CGN蛋白可能在激素、生长因子以及应激反应中发挥重要作用。系统进化分析表明,奶牛CGN与野牛、牦牛、亚洲水牛等物种CGN遗传距离较近,具有高度同源性。本结果为进一步研究CGN蛋白和奶牛的抗病育种提供理论依据。

关键词: 高能电子束, 高能电子束, 猕猴桃, 保鲜, 衰老

Abstract: The aim is to explore the property and function of CGN in dairy cows. The bioinformatics was used to predict the amino acid sequence, secondary structure, tertiary structure and biological function of CGN, using online database biological database. Sequence analysis indicated that CGN was hydrophilic untransmembrane protein, and its cleavage position of the signal peptide was located between the 20th and 21st site of amino acid. The secondary structure of CGN was primarily composed of alpha helix and random coil, and the biological effects of CGN were performed in the plasma membrane. Biological function prediction indicated that the function of CGN might be involved in the biological process of hormone, growth factor, stress response and immune response. Phylogenetics analysis showed that the CGN of dairy cows was close to that of Bison, Bos mutus and Bubalus bubalis in the phylogenetic tree, which showed highly homology. This study provides a theoretical basis for further research on CGN and disease-resistant breeding of dairy cows.