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Trends Plant Sci. 2012 Apr;17(4):230-7. doi: 10.1016/j.tplants.2012.01.007. Epub 2012 Feb 9.

UV-B photoreceptor-mediated signalling in plants.

Author information

1
Department of Botany and Plant Biology, University of Geneva, Sciences III, CH-1211 Geneva 4, Switzerland.

Abstract

Ultraviolet-B radiation (UV-B) is a key environmental signal that is specifically perceived by plants to promote UV acclimation and survival in sunlight. Whereas the plant photoreceptors for visible light are rather well characterised, the UV-B photoreceptor UVR8 was only recently described at the molecular level. Here, we review the current understanding of the UVR8 photoreceptor-mediated pathway in the context of UV-B perception mechanism, early signalling components and physiological responses. We further outline the commonalities in UV-B and visible light signalling as well as highlight differences between these pathways.

PMID:
22326562
DOI:
10.1016/j.tplants.2012.01.007
[Indexed for MEDLINE]

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