PerspectivePlant Biology

Lighting Up the Nucleus

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Science  05 May 2000:
Vol. 288, Issue 5467, pp. 821-822
DOI: 10.1126/science.288.5467.821

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Many physiological processes in plants from flowering to seed germination are regulated by light. Plants have photoreceptors called phytochromes that detect changes in light and switch on the expression of light-regulated genes. As Akira Nagatani describes in a Perspective, new findings (Martinez-Garcia et al.) now reveal the intermediate steps between light activation of phytochromes and transcription of light-responsive genes.