Role of nitric oxide and reactive oxide species in disease resistance to necrotrophic pathogens

被引：27

作者：

Asai, Shuta ^{[1
]}

Mase, Keisuke ^{[1
]}

Yoshioka, Hirofumi ^{[1
]}

机构：

[1] Nagoya Univ, Lab Def Plant Pathogen Interact, Grad Sch Bioagr Sci, Chikusa Ku, Nagoya, Aichi, Japan

来源：

PLANT SIGNALING & BEHAVIOR | 2010年 / 5卷 / 07期

关键词：

NO burst; oxidative burst; necrotrophic pathogen; salicylic acid; plant immunity; MAPK;

D O I：

10.4161/psb.5.7.11899

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Nitric oxide (NO) and reactive oxygen species (ROS) are important signaling molecules in plant immunity. However, roles of NO and ROS in disease resistance to necrotrophic pathogens are not fully understood. We have recently demonstrated that NO plays a pivotal role in basal defense against Botrytis cinerea and the expression of the salicylic acid (SA)-responsive gene PR-1 in Nicotiana benthamiana. By contrast, ROS function negatively in resistance or positively in expansion of disease lesions during B. cinerea-N. benthamiana interaction. Here, analysis in NahG-transgenic N. benthamiana showed that SA signaling is not involved in resistance to B. cinerea in N. benthamiana. We discuss how NO and ROS participate in disease resistance to necrotrophic pathogens on the basis of recent reports.

引用

页码：872 / 874

页数：3

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