植物免疫
第二信使系统
信号转导
一氧化氮
免疫系统
免疫
生物
细胞生物学
活性氧
化学
计算生物学
生物化学
免疫学
拟南芥
基因
突变体
内分泌学
作者
Pauline Trapet,Anna Kulik,Olivier Lamotte,Sylvain Jeandroz,Stéphane Bourque,Valérie Nicolas‐Francès,Claire Rosnoblet,Angélique Besson-Bard,David Wendehenne
标识
DOI:10.1016/j.phytochem.2014.03.015
摘要
Nitric oxide (NO) is a free radical gas involved in a myriad of plant physiological processes including immune responses. How NO mediates its biological effects in plant facing microbial pathogen attack is an unresolved question. Insights into the molecular mechanisms by which it propagates signals reveal the contribution of this simple gas in complex signaling pathways shared with reactive oxygen species (ROS) and the second messenger Ca2+. Understanding of the subtle cross-talks operating between these signals was greatly improved by the recent identification and the functional analysis of proteins regulated through S-nitrosylation, a major NO-dependent post-translational protein modification. Overall, these findings suggest that NO is probably an important component of the mechanism coordinating and regulating Ca2+ and ROS signaling in plant immunity.
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