Article
Inhibition of the shade avoidance response by formation of non-DNA binding bHLH heterodimers.
The EMBO journal - 16 Dec 2009
Hornitschek Patricia, Lorrain Séverine, Zoete Vincent, Michielin Olivier, Fankhauser Christian
Abstract excerpt
In shade-intolerant plants such as Arabidopsis, a reduction in the red/far-red (R/FR) ratio, indicative of competition from other plants, triggers a suite of responses known as the shade avoidance syndrome (SAS). The phytochrome photoreceptors measure the R/FR ratio and control the SAS. The phytochrome-interacting factors 4 and 5 (PIF4 and PIF5) are stabilized in the shade and are required for a full SAS, whereas...
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