植物GT元件和GT因子的研究进展

doi:10.3724/SP.J.1005.2009.00123

遗传 ›› 2009, Vol. 31 ›› Issue (2): 123-130.doi: 10.3724/SP.J.1005.2009.00123

植物GT元件和GT因子的研究进展

关秋玲¹,陈焕新¹,张毅²,李秋莉¹

1. 辽宁师范大学生命科学学院, 大连 116029;
2. 辽宁省大连市育明高级中学, 大连 116023

收稿日期:2008-07-14 修回日期:2008-10-13 出版日期:2009-02-10 发布日期:2009-02-10
通讯作者: 李秋莉

Progresses on GT elements and GT factors in plants

GUAN Qiu-Ling¹,CHEN Huan-Xin¹,ZHANG Yi²,LI Qiu-Li¹

1. College of Life Sciences, Liaoning Normal University, Dalian 116029, China;
2. Dalian Yuming Senior High School, Dalian 116023, China

Received:2008-07-14 Revised:2008-10-13 Online:2009-02-10 Published:2009-02-10
Contact: GUAN Qiu-Ling Ling

摘要/Abstract

摘要： GT元件是位于植物基因启动子区域中的串联重复DNA序列, 是启动子中富含T和A的顺式作用元件。迄今已经在不同植物中鉴定了一些GT元件并分析了其功能。GT因子是以三螺旋基序为DNA结合域, 与GT元件特异结合的一类转录因子。到目前为止, 仅在植物中发现有GT因子。GT因子与GT元件相互作用调节相关基因的转录, 进而提高植物的抗性或影响植物形态建成。文章就植物中不同的GT元件及GT因子的发现、结构及二者相互作用等方面进行了综述。

关键词: 转录调节, 三螺旋DNA结合域, GT元件, GT因子

Abstract: GT elements are DNA sequences occurred in tandem repeats in the promoter region of plant genes, which are rich in nucleotides T and A in promoters. A few GT elements and their functions have been characterized in different plants. Factors GT are transcription factors with trihelix motifs for DNA-binding domains and specific binding to GT elements. Presently, GT factors are only observed in plants. The interaction of GT factors and GT elements can regulate the transcrip-tion of related genes and improve resistance of plants or involve in plant morphogenesis. In this article, we summarized the discover, structure, and interaction of GT factors and GT elements.

关秋玲，陈焕新，张毅，李秋莉. 植物GT元件和GT因子的研究进展[J]. 遗传, 2009, 31(2): 123-130.

GUAN Qiu-Ling, CHEN Huan-Xin, ZHANG Yi, LI Qiu-Li. Progresses on GT elements and GT factors in plants[J]. HEREDITAS, 2009, 31(2): 123-130.

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植物GT元件和GT因子的研究进展

Progresses on GT elements and GT factors in plants

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