Article
The transcriptional regulator BBX24 impairs DELLA activity to promote shade avoidance in Arabidopsis thaliana.
Nature communications - 6 Feb 2015
Crocco Carlos D, Locascio Antonella, Escudero Cristian M, Alabadí David, Blázquez Miguel A, Botto Javier F
Abstract excerpt
In response to canopy shade, plant vegetative structures elongate to gain access to light. However, the mechanism that allows a plastic transcriptional response to canopy shade light is not fully elucidated. Here we propose that the activity of PIF4, a key transcription factor in the shade signalling network, is modulated by the interplay between the BBX24 transcriptional regulator and DELLA proteins, which are...
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