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Schematic Model of phyA-FHY1 Signaling in FR and R.
R-induced FHY1 phosphorylation attenuates phyA signaling by promoting cytoplasmic localization of phyA/FHY1 and dislodging phyA/FHY1 from chromatin. Through these actions, FHY1 phosphorylation contributes to the differential dynamics of phyA signaling in FR and R. TF, transcription factor.
