乙烯对植物次生代谢产物合成的双重调控效应  

Dual Regulating Effects of Ethylene on the Formation of Plant Secondary Metabolites

作　　者：方荣俊[1,2] 赵华[1,3] 廖永辉[1] 汤程贻[1] 吴凤瑶[1] 朱煜[1] 庞延军[1] 陆桂华[1] 王小明[1] 杨荣武[1] 戚金亮[1,4] 杨永华[1] 

机构地区：[1]南京大学生命科学学院植物分子生物学研究所医药生物技术国家重点实验室,南京210093 [2]江苏科技大学,镇江212003 [3]南通大学,南通226019 [4]南京大学淮安高新技术研究院,淮安223005

出　　处：《植物学报》2014年第5期626-639,共14页Chinese Bulletin of Botany

基　　金：国家自然科学基金(No.31071082,No.31171161,No.31170275);教育部创新团队项目(No.IRT1020);教育部新世纪优秀人才支持计划(No.NCET-11-0234);江苏省自然科学基金(No.BK2010053,No.BK2011414);南京大学淮安高新技术研究院独立研究项目(No.2011Z2)

摘　　要：植物次生代谢产物是人类重要的药物及化工原料来源,其产生与植物正常的生长发育及对环境的适应密切相关,并受到多种因素的调控。乙烯作为一种植物内源激素,广泛参与植物的生长、发育、抗逆和次生代谢产物合成等重要生理过程的调控。该文综述了乙烯的信号转导机制及其调控作用;重点归纳了乙烯对植物次生代谢产物形成所表现出的双重调控效应,即在一定浓度范围内,乙烯对植物次生代谢产物的合成起促进作用,低于或超过该浓度范围则起抑制作用;并对今后该领域的研究方向进行了展望。Plant secondary metabolites are important natural sources for drugs and chemical raw materials. The formation of these metabolites is closely related to the normal growth and adaptation to environments by plants and could be regulated by a variety of factors. As an endogenous hormone in plants, ethylene plays important roles in regulating most plant physiological processes such as growth, development, stress resistance and secondary metabolite biosynthesis. Here, we review the signal transduction mechanism and regulatory effects of ethylene, especially its dual regulatory effects, on the formation of plant secondary metabolites, namely, how ethylene promotes the biosynthesis of secondary metabolites within a range of concentration in plants but has an inhibitory effect on the formation of secondary metabolites outside of a certain threshold of concentration. We give prospects for further research in this field.

关 键 词：乙烯 次生代谢产物 信号转导途径 双重调控 

分 类 号：Q946.8[生物学—植物学]