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Besides driving photosynthesis, light gives plants critical information about their surroundings. Plants have evolved a suite of photoreceptors that sense a variety of wavelengths of light and when these are activated, they initiate signaling responses that affect growth and development. While the chief signaling pathways that regulate plant responses to light cues are known, the signaling network is overall quite complex and many details about the involved pathways, as well as how they vary between different types of plants, remain to be discovered. For this Collection, we welcome any submissions advancing the field of plant photobiology, from studies shedding new light on the structures of photoreceptors to those identifying novel components of the photoresponsive signaling network.
In addition to original Research Articles, we will also consider Reviews, Perspectives and Comments covering these topics. All submissions will be subject to the same review process as regular Communications Biology Articles.
This review highlights the regulation of three major specialized metabolite biosynthesis pathways in plants by light-responsive gene expression, microRNA regulation, and posttranslational modification of regulatory proteins.
Cryo-EM examination of phycobilisomes from red algae reveal light-induced structural changes and chromophore variations that have limited effects on fluorescence kinetics, providing insight into how photosynthetic organisms adapt to changing light conditions.
Discovery of a complex light-harvesting antenna structure with multiple phycobiliprotein spectrotypes in Hemiselmis andersenii reveals how cryptophyte algae efficiently transfer energy from their unique photosynthetic antenna to photosystems.
A combination of genetic, gene expression and metabolic analyses demonstrated that the chloroplast retrograde signalling, triggered by singlet oxygen, depends on complex interactions between chloroplast, mitochondria and cytosol.
H2 generation from Chlamydomonas reinhardtii cultured under anoxia is found to be limited by activation of a slow-down switch in photosystem II that modulates electron transfer at the acceptor site of this photosystem following light exposure.
HOOKLESS1, a positive regulator of seedling hook establishment, originated in embryophytes and evolved to gain hook development function in angiosperms.