遗传 ›› 2006, Vol. 28 ›› Issue (12): 1607-1607~1612.doi: 10.1360/yc-006-1607

• 专论与综述 • 上一篇    下一篇

植物WRKY转录因子结构特点及其生物学功能

田 云, 卢向阳, 彭丽莎, 方 俊   

  1. (湖南农业大学生化与发酵工程实验室, 长沙 410128)

  • 收稿日期:2006-02-17 修回日期:2006-04-28 出版日期:2006-12-10 发布日期:2006-12-10
  • 通讯作者: 卢向阳

The Structure and Function of Plant WRKY Transcription Factors

TIAN Yun, LU Xiang-Yang, PENG Li-Sha, FANG Jun

  

  1. (Biochemistry & Fermentation Lab of Life Science, Hunan Agricultural University, Changsha 410128, China)
  • Received:2006-02-17 Revised:2006-04-28 Online:2006-12-10 Published:2006-12-10
  • Contact: LU Xiang-Yang

摘要:

WRKY转录因子是近年来在植物中发现的N-端含有WRKYGQK高度保守氨基酸序列的新型转录调控因子, 它能够与(T)(T)TGAC(C/T)序列(W-box)发生特异性作用, 调节启动子中含W-box元件的调节基因和/或功能基因的表达, 从而参与植物的各种防卫反应, 调节植物的生长发育等。文章主要论述了植物WRKY转录因子的基本结构及其生物学功能。

关键词: W-box, 转录因子, WRKY

Abstract:

WRKY transcription factors that are unique to plants are the new type transcriptional regulatory factors in which N-terminal ends contain a conserved WRKYGQR amino acids sequences. WRKY transcription factors regulate the target genes expression that contain the W-box elements in the promoter regions by specifically binding to (T)(T)TGAC(C/T) sequence. Therefore, the WRKY transcription factors participate in the plant various kinds defense responses and regulate the plant growth and development. This article reviews the progress of the basic structure and biological function of plant WRKY transcription factors.

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