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首页> 外文期刊>Trends in Plant Science >A tidal wave of signals: calcium and ROS at the forefront of rapid systemic signaling
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A tidal wave of signals: calcium and ROS at the forefront of rapid systemic signaling

机译：信号浪潮：钙和ROS处于快速系统性信号传导的最前沿

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摘要

Systemic signaling pathways enable multicellular organisms to prepare all of their tissues and cells to an upcoming challenge that may initially only be sensed by a few local cells. They are activated in plants in response to different stimuli including mechanical injury, pathogen infection, and abiotic stresses. Key to the mobilization of systemic signals in higher plants are cell-to-cell communication events that have thus far been mostly unstudied. The recent identification of systemically propagating calcium (Ca2+) and reactive oxygen species (ROS) waves in plants has unraveled a new and exciting cell-to-cell communication pathway that, together with electric signals, could provide a working model demonstrating how plant cells transmit long-distance signals via cell-to-cell communication mechanisms. Here, we summarize recent findings on the ROS and Ca2+ waves and outline a possible model for their integration.
机译：全身性信号传导途径使多细胞生物能够准备其所有组织和细胞，以应对即将到来的挑战，这种挑战最初只能由少数局部细胞来感知。它们在植物中响应各种刺激（包括机械损伤，病原体感染和非生物胁迫）而被激活。动员高等植物中系统信号的关键是迄今为止尚未研究的细胞间通信事件。最近对植物体内系统传播的钙（Ca2 +）和活性氧（ROS）波的鉴定揭示了一种新的令人兴奋的细胞间通信途径，该途径与电信号一起可以提供一个工作模型，证明植物细胞如何传播通过单元间通信机制的长距离信号。在这里，我们总结了关于ROS和Ca2 +波的最新发现，并概述了它们整合的可能模型。

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