SnRK1 acts upstream of PAP1, contributing to fine-tuning flavonoid biosynthesis in high-light.
Josephine Dieckmann, Ralf Stracke, Andreas S. Richter
This study shows SnRK1 regulates flavonoid biosynthesis by suppressing MYBL2 and promoting PAP1, which fine-tunes anthocyanin and flavonol production in high-light conditions.