Article
Linking photoreceptor excitation to changes in plant architecture.
Genes & development - 15 Apr 2012
Li Lin, Ljung Karin, Breton Ghislain, Schmitz Robert J, Pruneda-Paz Jose, Cowing-Zitron Chris, Cole Benjamin J, Ivans Lauren J, Pedmale Ullas V, Jung Hou-Sung, Ecker Joseph R, Kay Steve A, Chory Joanne
Abstract excerpt
Plants sense neighbor proximity as a decrease in the ratio of red to far-red light, which triggers a series of developmental responses. In Arabidopsis, phytochrome B (PHYB) is the major sensor of shade, but PHYB excitation has not been linked directly to a growth response. We show that the basic helix-loop-helix (bHLH) transcription factor PIF7 (phytochrome-interacting factor 7), an interactor of PHYB,...
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