Reactive oxygen species signaling in melatonin-mediated plant stress response

被引:57
作者
Ahammed, Golam Jalal [1 ]
Li, Zhe [1 ]
Chen, Jingying [1 ]
Dong, Yifan [1 ]
Qu, Kehao [1 ]
Guo, Tianmeng [1 ]
Wang, Fenghua [1 ]
Liu, Airong [1 ]
Chen, Shuangchen [1 ]
Li, Xin [2 ]
机构
[1] Henan Univ Sci & Technol, Coll Hort & Plant Protect, Luoyang 471023, Peoples R China
[2] Chinese Acad Agr Sci, Minist Agr & Rural Affairs, Tea Res Inst, Key Lab Tea Qual & Safety Control, Hangzhou 310008, Peoples R China
基金
中国国家自然科学基金;
关键词
Antioxidant; NADPH oxidase; Oxidative stress; Phytomelatonin; Stress tolerance; RBOH; ROS; HYDROGEN-PEROXIDE; OXIDATIVE STRESS; ROS; GENERATION; TOLERANCE; ARABIDOPSIS; PATHWAY; CHANNEL; KINASE; H2O2;
D O I
10.1016/j.plaphy.2024.108398
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Reactive oxygen species (ROS) are crucial signaling molecules in plants that play multifarious roles in prompt response to environmental stimuli. Despite the classical thoughts that ROS are toxic when accumulate in excess, recent advances in plant ROS signaling biology reveal that ROS participate in biotic and abiotic stress perception, signal integration, and stress-response network activation, hence contributing to plant defense and stress tolerance. ROS production, scavenging and transport are fine-tuned by plant hormones and stress-response signaling pathways. Crucially, the emerging plant hormone melatonin attenuates excessive ROS accumulation under stress, whereas ROS signaling mediates melatonin-induced plant developmental response and stress tolerance. In particular, RESPIRATORY BURST OXIDASE HOMOLOG (RBOH) proteins responsible for apoplastic ROS generation act downstream of melatonin to mediate stress response. In this review, we discuss promising developments in plant ROS signaling and how ROS might mediate melatonin-induced plant resilience to environmental stress.
引用
收藏
页数:8
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