中国科技核心期刊
CN:31-1600/Q
ISSN:1004-0374
“健康与疾病的免疫”国际学术研讨会通知      关于有网站冒充本刊网站的声明
《生命科学》 2013, 25(6): 632-638
串联亲和纯化技术及其在植物蛋白质组研究中的应用
王丰青1,吴为人2,陈新建1,李 娟1,周 艳1,张重义1,2*
(1 河南农业大学农学院,郑州 450002;2 福建农林大学作物科学学院,福州 350002)
摘 要:串联亲和纯化(TAP) 是一项新颖的蛋白质复合物纯化技术,已被广泛应用于鉴定或验证蛋白质间的相互作用以及建立蛋白质互作网络,其基本原理是,将TAP 标签融合到目标蛋白上,然后经过两步亲和纯化,获得融合蛋白及其结构关联蛋白。TAP 技术最初主要在动物和微生物中应用。近几年来,随着新型标签的出现和方法的改进, TAP 技术在植物中的应用逐渐增多,为植物蛋白质组学的研究提供了一个有效的手段。简要介绍TAP 方法在植物中的应用情况,并对TAP 方法应用的限制因素进行分析。
关键词:串联亲和纯化;标签;植物;蛋白质组
 
Tandem affinity purification technology and its applications in plant proteomic research
WANG Feng-Qing1, WU Wei-Ren2, CHEN Xin-Jian1, LI Juan1, ZHOU Yan1, ZHANG Zhong-Yi1,2*
(1 Agronomy College of Henan Agricultural University, Zhengzhou 450002, China; 2 College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China)
Abstract: Tandem affinity purification (TAP) is a novel technology for protein complex purification, which has been extensively utilized for the identification or verification of protein-protein interactions and the construction of protein interaction networks. Its basic principle is that the TAP tag is fused to the target protein of interest and then the TAP-tagged protein together with any associated proteins are isolated from the host organism in two sequential affinity purification steps. Initially, TAP technology was mainly used in animals and microbes. But in recent years, more and more applications of TAP technology in plants have been reported with the emergence of new TAP tags and optimized methods, providing an efficient tool for plant proteomics. This paper briefly introduced the application of the TAP method on plants, and analyzed limiting factors in its application.
Key words: tandem affinity purification; tag; plant; proteomic
 
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