The phytochromes: photosensory perception and signal transduction.

Abstract excerpt

Phytochromes are regulatory photoreceptors which primarily absorb red (R) and far-red (FR) light. A great deal is known about the spectroscopic properties, primary structure, gene regulation and gross structure of phytochromes, and about the set of developmental changes which they control, but the early steps in signal transduction from phytochrome which result in these changes are still mysterious. In...

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