《中国畜牧兽医》 ›› 2017, Vol. 44 ›› Issue (4): 986-993.doi: 10.16431/j.cnki.1671-7236.2017.04.007

• 生理生化 • 上一篇    下一篇

一周岁内滩羊皮肤差异表达蛋白研究

杨佐青1, 陶金忠1, 陈信1, 马瑞华1, 张鑫荣2   

  1. 1. 宁夏大学农学院, 银川 750021;
    2. 宁夏盐池滩羊选育场, 盐池 751506
  • 收稿日期:2016-08-29 出版日期:2017-04-20 发布日期:2017-05-03
  • 通讯作者: 陶金忠 E-mail:tao_jz@nxu.edu.cn
  • 作者简介:杨佐青(1991-),男,甘肃庆阳人,硕士,研究方向:蛋白质组学,E-mail:1425918506@qq.com
  • 基金资助:

    宁夏农业育种专项"滩羊品系选育"项目(2013NYYZ0402)

Study on Skin Differential Expression Proteins of Tan Sheep Within One Year Old

YANG Zuo-qing1, TAO Jin-zhong1, CHEN Xin1, MA Rui-hua1, ZHANG Xin-rong2   

  1. 1. College of Agriculture, Ningxia University, Yinchuan 750021, China;
    2. Tan Sheep Breeding Farm of Yanchi, Yanchi 751506, China
  • Received:2016-08-29 Online:2017-04-20 Published:2017-05-03

摘要:

为研究一周岁内滩羊皮肤中的差异表达蛋白,本试验利用双向凝胶电泳(2-DE)技术分离了滩羊不同生长阶段皮肤蛋白,经考马斯亮蓝染色,用PDQuest 8.0软件检测并分析差异蛋白点,并经MALDITOF/TOF-MS/MS鉴定。对4个生长时期的蛋白图谱进行两两比对,共发现了19个差异蛋白点,质谱成功鉴定出15个蛋白点共13种蛋白,可能与滩羊皮肤生长调控有关的蛋白有14-3-3蛋白σ亚型(14-3-3 protein sigma)、膜联蛋白A2(annexin A2)、角蛋白25(keratin 25)、微管蛋白α链(tubulin alpha chain)。对差异表达蛋白进行分析,发现这些差异表达蛋白可能与滩羊皮肤不同生长阶段的毛囊周期性变化有关。一周岁内滩羊皮肤差异蛋白的发现为滩羊皮肤的年变化规律研究奠定理论基础。

关键词: 滩羊; 皮肤; 双向电泳; 差异蛋白

Abstract:

In order to study different expressed proteins of one-year-old Tan sheep skin, two-dimensional gel electrophoresis (2-DE) was used to separate the Tan sheep skin proteins of different growth stages by Coomassie blue staining, with PDQuest 8.0 software to detect and analyze differences in protein spots,and were identified by MALDITOF/TOF-MS/MS.Protein maps of four growth stages were performed between pairwise, after testing found a total of 19 differentially expressed proteins, mass spectrometry successfully identified 15 protein spots and a total of 13 proteins, of which 14-3-3 σ protein isoforms, annexin A2, keratin 25 and tubulin α chain might be related to growth regulation sheep skin. Those different expressed proteins might be associated with different stages of growth of Tan sheep skin follicles cyclical changes. The different proteins of one-year-old Tan sheep skin provided theoretical basis for annual variation of Tan sheep skin.

Key words: Tan sheep; skin; two-dimensional electrophoresis; differential proteins

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