Review
doi: 10.1016/S0070-2153(05)68008-8.Signaling mechanisms of higher plant photoreceptors: a structure-function perspective
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- PMID:16125001
- DOI: 10.1016/S0070-2153(05)68008-8
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Review
Signaling mechanisms of higher plant photoreceptors: a structure-function perspective
Haiyang Wang. Curr Top Dev Biol.2005.
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Abstract
Higher plants monitor changes in the ambient light environment using three major classes of photoreceptors: the red/far-red-absorbing phytochromes, the blue/UV-A-absorbing cryptochromes, and phototropins. These photoreceptors mediate various photoresponses, ranging from seed germination, to seedling de-etiolation, stem elongation, leaf expansion, floral initiation, phototropic bending of organs, intracellular movement of chloroplast, and stomata opening. Here I briefly review the distinct and overlapping physiological functions of these photoreceptors and highlight recent progress that provided significant insights into their signaling mechanisms, particularly from a structure-function perspective. This review focuses on the early photochemical and biochemical events that lead to photoreceptor activation and signaling initiation.
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