中文摘要：

一氧化氮（NO）是一种高度活性分子,能通过细胞膜快速扩散,在植物中NO可通过酶促途径和非酶促途径产生.已在多种受病原物诱导的植物中检测到NO的产生.研究发现在植物-痛原物互作中NO在过敏性（HR）细胞死亡和系统获得抗性（SAR）的建立中起非常重要的信号调节作用.

英文摘要：

Nitric oxide （NO） is a highly reactive molecule that rapidly diffuses and permeates cell membranes. NO could be produced via enzymatic deepened or non -enzymatic deepened pathway. NO was detected in several plants during plant -pathogen interactions and it had a significant signaling role in hypersensitive response cell death and establishment of systemic acquired resistance.