The protein complex APC/C is an E3 ubiquitin ligase and its subunit Cdh1 determines substrate recognition. Linet al. show that the transcriptional regulator MONOCULM1 is a substrate of the rice homologue of Cdh1 and that APC/C-mediated degradation of MONOCULM1 controls rice tillering, a determinant of grain yield.
- Qibing Lin
- Dan Wang
- Jianmin Wan