活性氧
细胞生物学
NADPH氧化酶
分区(防火)
非生物胁迫
拟南芥
非生物成分
氧化应激
生物化学
生物
酶
生态学
基因
突变体
作者
Bardo Castro,Matteo Citterico,Sachie Kimura,Danielle M. Stevens,Michael Wrzaczek,Gitta Coaker
出处
期刊:Nature plants
[Springer Nature]
日期:2021-04-12
卷期号:7 (4): 403-412
被引量:247
标识
DOI:10.1038/s41477-021-00887-0
摘要
Reactive oxygen species (ROS) are essential for life and are involved in the regulation of almost all biological processes. ROS production is critical for plant development, response to abiotic stresses and immune responses. Here, we focus on recent discoveries in ROS biology emphasizing abiotic and biotic stress responses. Recent advancements have resulted in the identification of one of the first sensors for extracellular ROS and highlighted waves of ROS production during stress signalling in Arabidopsis. Enzymes that produce ROS, including NADPH oxidases, exhibit precise regulation through diverse post-translational modifications. Discoveries highlight the importance of both amino- and carboxy-terminal regulation of NADPH oxidases through protein phosphorylation and cysteine oxidation. Here, we discuss advancements in ROS compartmentalization, systemic ROS waves, ROS sensing and post-translational modification of ROS-producing enzymes and identify areas where foundational gaps remain.
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