Phototropins 1 and 2: versatile plant blue-light receptors

Briggs, W.R. and Christie, J.M. (2002) Phototropins 1 and 2: versatile plant blue-light receptors. Trends in Plant Science, 7(5), pp. 204-210. (doi:10.1016/S1360-1385(02)02245-8)

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Abstract

Blue and ultraviolet-A light regulate a wide range of responses in plants, including phototropism, chloroplast migration and stomatal opening. However, the photoreceptors for these light responses have been identified only recently. The phototropins (phot1 and phot2) represent a new class of receptor kinases that appear to be exclusive to plants. Recent genetic analysis has shown that phot1 and phot2 exhibit partially overlapping functions in mediating phototropism, chloroplast migration, and stomatal opening in <i>Arabidopsis</i>. Although significant progress has been made in understanding the early photochemical and biochemical events that follow phototropin excitation, the details of how this excitation activates such different responses remain to be elucidated.Novel family of blue-light receptors, exclusive to plants-photoreceptors that mediate phototropism, chloroplast movement, stomatal opening and probably other plant blue-light responses.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Christie, Professor John
Authors: Briggs, W.R., and Christie, J.M.
Subjects:Q Science > QK Botany
College/School:College of Medical Veterinary and Life Sciences > Institute of Molecular Cell and Systems Biology
Journal Name:Trends in Plant Science
ISSN:1360-1385
ISSN (Online):1878-4372
Published Online:29 April 2002

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