植物对非生物胁迫应答的转录因子及调控机制

被引:28
作者
李书粉
孙富丛
肖理慧
高武军
卢龙斗
机构
[1] 河南师范大学生命科学学院
关键词
植物; 非生物胁迫; 转录因子;
D O I
暂无
中图分类号
Q943 [植物细胞遗传学]; Q945.78 [协迫生理学];
学科分类号
071007 ; 090102 ;
摘要
植物对非生物胁迫的应答反应涉及到许多基因和生化分子机制,胁迫相关基因、蛋白质及代谢物构成了一个复杂的调控网络,其中转录控制具有举足轻重的作用。本文主要对近年来发现的几种在转录控制中起关键作用的转录因子CBF/DREB、bZIP、MYB/MYC和HSF及其调控机制进行介绍。这几种转录因子可以分别和胁迫应答顺式作用元件CRT/DRE、ABRE、MYB/MYC识别位点及HSE结合,在非生物胁迫条件下调控下游靶基因的表达,进而使一些胁迫保护物质如脯氨酸、可溶性糖类、自由基的清除剂、热休克蛋白和分子伴侣等的表达水平升高,最终增强植物对非生物胁迫的耐受能力。
引用
收藏
页码:1295 / 1300
页数:6
相关论文
共 7 条
[1]   脱落酸应答基因的表达调控及其与逆境胁迫的关系 [J].
向旭 ;
傅家瑞 .
植物学通报, 1998, (03) :12-17
[2]  
HSF3, a new heat shock factor from Arabidopsis thaliana, derepresses the heat shock response and confers thermotolerance when overexpressed in transgenic plants[J] . R. Pr?ndl,K. Hinderhofer,G. Eggers-Schumacher,F. Sch?ffl.MGG - Molecular & General Genetics . 1998 (3)
[3]  
RAP-1 is an Arabidopsis MYC-like R protein homologue, that binds to G-box sequence motifs[J] . Sylvia de Pater,Khanh Pham,Johan Memelink,Jan Kijne.Plant Molecular Biology . 1997 (1)
[4]   IDENTIFICATION OF A CIS-REGULATORY REGION OF A GENE IN ARABIDOPSIS-THALIANA WHOSE INDUCTION BY DEHYDRATION IS MEDIATED BY ABSCISIC-ACID AND REQUIRES PROTEIN-SYNTHESIS [J].
IWASAKI, T ;
YAMAGUCHISHINOZAKI, K ;
SHINOZAKI, K .
MOLECULAR AND GENERAL GENETICS, 1995, 247 (04) :391-398
[5]  
The 5′-region of Arabidopsis thaliana cor15a has cis -acting elements that confer cold-, drought- and ABA-regulated gene expression[J] . Stokes S. Baker,Kathy S. Wilhelm,Michael F. Thomashow.Plant Molecular Biology . 1994 (5)
[6]  
Differential expression of two related, low-temperature-induced genes in Arabidopsis thaliana (L.) Heynh[J] . Kerstin Nordin,Tiina Vahala,E. Tapio Palva.Plant Molecular Biology . 1993 (4)
[7]  
The plant hormone abscisic acid mediates the drought-induced expression but not the seed-specific expression of rd22 , a gene responsive to dehydration stress in Arabidopsis thaliana[J] . Kazuko Yamaguchi-Shinozaki,Kazuo Shinozaki.MGG Molecular & General Genetics . 1993 (1)