近一期的Molecular plant 出版了南加利福尼亚大学Steve A. Kay教授题为Light Perception: A Matter of Time 的综述文章。该文章光信号和生物钟网络之间的相互作用进行了综述。

优化外部环境条件的感知，以及相应的生理调节有助于植物应对不断变化的环境条件。一系列的光感受器和复杂的信号通路能够使植物传递周围的光信息，并同步到一个被称为生物钟的内源性计时系统。这个生物钟整合了多种信号来调节无数的下游反应，使它们在一天和一年中的最佳时刻发生响应。值得注意的是，光介导的时钟的传输机制尚不清楚。本文综述了光信号和生物钟网络之间已知的相互作用，重点讨论了光在时钟传输中的作用，以及已知的生物分子在这一过程中的作用。

Conceptual Framework Highlighting the Crosstalk among Light-Signaling Pathways and Their Integration into the Circadian Clock Network.

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ABSTRACT

Optimizing the perception of external cues and regulating physiology accordingly help plants to cope with the constantly changing environmental conditions to which they are exposed. An array of photoreceptors and intricate signaling pathways allow plants to convey the surrounding light information and synchronize an endogenous timekeeping system known as the circadian clock. This biological clock integrates multiple cues to modulate a myriad of downstream responses, timing them to occur at the best moment of the day and the year. Notably, the mechanism underlying entrainment of the light-mediated clock is not clear. This review addresses known interactions between the light-signaling and circadian-clock networks, focusing on the role of light in clock entrainment and known molecular players in this process.

文章链接：https://doi.org/10.1016/j.molp.2020.02.006