中国科技核心期刊
CN:31-1600/Q
ISSN:1004-0374
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《生命科学》 2009, 21(2): 335-342
拟南芥春化作用相关基因FLC的表达调控及天然早花突变体的研究进展
李 勇,胡宗利,顾 峰,胡功铃,陈国平*
重庆大学生物工程学院,重庆 400030
摘 要:植物开花是从营养生长到生殖状态的重要发育转变,是多种内在因子和环境因素共同作用的结果。在拟南芥开花调控网络中,开花抑制基因FLC处于枢纽地位。FLC的表达受许多来自环境和生长发育的信号调控,主要包括:PAF1复合体、SWR1复合体成员,FRI依赖途径、自主途径和春化作用途径基因。本文主要综述了影响FLC表达的春化相关基因及天然早花突变体的研究进展,并根据最新的研究成果提出该研究领域的研究方向和重点。
关键词:FLC;春化相关基因;染色质修饰;天然早花突变体
 
Research progress on the regulation of expression of Arabidopsis vernalization-related gene FLC and natural early flowering variation
LI Yong , HU Zong-li, GU Feng, HU Gong-ling, CHEN Guo-ping*
Bioengineering College of Chongqing University, Chongqing 400030, China
Abstract: Plant flowering is a crucial developmental transition from the vegetative to reproductive phase and is properly timed by a number of intrinsic and environmental cues. In the regulation network of flowering of Arabidopsis, FLC is a potent repressor of flowering. The expression of FLC is regulated by lots of factors, including endogenous cues and environmental stimuli which mainly contain: SWR1complex, PAF1complex, FRI complex, autonomous pathway and vernalization pathway genes. This paper reviews the progress of study on vernalization-related genes that regulate the expression of FLC and natural early flowering variation, and the new directions and focal points in this research field.
Key words: FLC; vernalization-related genes; modifications of chromatin; natural early flowering variation
 
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