Constitutive photomorphogenic 1 (COP1) plays a key role in photomorphogenesis by destabilizing transcription factors and photoreceptors. Here, Cho et al. show that COP1 also influences the global level of miRNAs in Arabidopsis by protecting the RNA-binding protein HYPONASTIC LEAVES 1 from proteolysis by an unknown protease.
- Seok Keun Cho
- Samir Ben Chaabane
- Seong Wook Yang
