《植物生理学报》

绿叶挥发物顺式-3-己烯醇诱导的植物防御反应

李舒雯，郭洙鹃，焦春阳，沈应柏^*

北京林业大学生物科学与技术学院, 北京100083

通信作者：沈应柏；E-mail: ybshen@bjfu.edu.cn

摘　要：

绿叶挥发物(green leaf volatile, GLV)是植物在受到机械损伤、病原菌侵染、植食性昆虫取食等胁迫时产生的气态小分子物质, 在植物防御反应中发挥重要的作用。顺式-3-己烯醇(cis-3-hexen-1-ol)作为主要的植物挥发性信号分子, 以气态形式在植株间长距离扩散, 介导植物产生直接或间接防御反应。本文系统地阐述了顺式-3-己烯醇生物合成的途径以及在植物防御反应过程中所触发的钙信号、茉莉酸(JA)信号、乙烯(ET)信号, 为进一步研究顺式-3-己烯醇诱导防御的机制提供参考, 也有助于人们理解生态群落中植物个体间的相互关系。

关键词：顺式-3-己烯醇; 防御反应; 钙信号; 茉莉酸; 乙烯

收稿：2020-11-11   修定：2021-04-19

Plant defense reaction induced by green leaf volatile cis-3-hexen-1-ol

LI Shuwen, GUO Zhujuan, JIAO Chunyang, SHEN Yingbai^*

College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China

Corresponding author: SHEN Yingbai; E-mail: ybshen@bjfu.edu.cn

Abstract:

Green leaf volatiles (GLVs) are a group of well-characterized small gaseous molecule volatiles which are emitted by plants upon stress of mechanical injury, pathogen infection, and consumption by herbivorous insects. GLVs play a significant role in plant defense. As a major plant volatile signaling molecule, cis-3-hexen-1-ol can diffuse over long distances from plant to plant in gaseous form to mediate direct or indirect plant defense reactions. This article systematically expounded the cis-3-hexen-1-ol biosynthesis pathway and the calcium signal, jasmonic acid (JA) signal, and ethylene (ET) signal triggered in the process of plant defense response of cis-3-hexen-1-ol, which provides a reference for further research on the mechanism of cis-3-hexen-1-ol-induced defense, and also helps people to understand the relationship between individual plants in ecological communities.

Key words: cis-3-hexen-1-ol; defense reaction; calcium signal; jasmonic acid; ethylene