Jasmonic acid and salicylic acid modulate systemic reactive oxygen species signaling during stress responses
Jasmonic acid and salicylic acid modulate systemic reactive oxygen species signaling during stress responses
复制标题
茉莉酸和水杨酸调节应激反应期间的全身活性氧信号传导
DOI：
10.1093/plphys/kiac449
复制
发表时间：
2022
期刊：
影响因子：
7.4
通讯作者：
Mittler, Ron
中科院分区：
文献类型：
--
作者：
Myers, Jr, Ronald J.;Fichman, Yosef;Zandalinas, Sara I.;Mittler, Ron
植物可以从受到胁迫的单个组织向整个植物发送长距离的细胞间信号。这种能力被称为“系统信号”，并且对于植物适应胁迫和/或防御病原体是必不可少的。系统性信号传导机制包括活性氧波、钙波、液压波和电信号。ROS波协调植物不同部位之间的多种生理、分子和代谢反应，是系统获得性适应（SAA）胁迫的必要条件。此外，它与几种植物激素有关，包括茉莉酸（JA），水杨酸（SA）和脱落酸（阿坝）。然而，这些植物激素如何调节ROS波以及它们是否是SAA所必需的尚不清楚。在这里，我们报告SA和JA在调节拟南芥（Arabidopsis thaliana）的ROS波中发挥拮抗作用。而SA增强ROS波，JA抑制它在响应局部创伤或高光（HL）应力处理。我们进一步表明，乙烯和阿坝是必不可少的调节ROS波在系统响应局部创伤治疗。有趣的是，我们发现，氧化还原反应蛋白NONEXPRESSOR OF PATHOGENESIS RELATED PROTEIN 1是创伤或HL应激反应中系统性ROS积累所必需的，也是SAA对HL应激反应所必需的。综上所述，我们的研究结果表明，JA和SA之间的相互作用可能会调节系统信号和SAA植物响应非生物胁迫或伤害。
Plants can send long-distance cell-to-cell signals from a single tissue subjected to stress to the entire plant. This ability is termed “systemic signaling” and is essential for plant acclimation to stress and/or defense against pathogens. Several signaling mechanisms are associated with systemic signaling, including the reactive oxygen species (ROS) wave, calcium wave, hydraulic wave, and electric signals. The ROS wave coordinates multiple physiological, molecular, and metabolic responses among different parts of the plant and is essential for systemic acquired acclimation (SAA) to stress. In addition, it is linked with several plant hormones, including jasmonic acid (JA), salicylic acid (SA), and abscisic acid (ABA). However, how these plant hormones modulate the ROS wave and whether they are required for SAA is not clear. Here we report that SA and JA play antagonistic roles in modulating the ROS wave in Arabidopsis (Arabidopsis thaliana). While SA augments the ROS wave, JA suppresses it during responses to local wounding or high light (HL) stress treatments. We further show that ethylene and ABA are essential for regulation of the ROS wave during systemic responses to local wounding treatment. Interestingly, we found that the redox-response protein NONEXPRESSOR OF PATHOGENESIS RELATED PROTEIN 1 is required for systemic ROS accumulation in response to wounding or HL stress, as well as for SAA to HL stress. Taken together, our findings suggest that interplay between JA and SA might regulate systemic signaling and SAA during responses of plants to abiotic stress or wounding.