The bivalent epigenetic regulator ULTRAPETALA1 promotes the Arabidopsis floral transition via recruitment of Polycomb histone methyltransferases for H3K27me3 deposition at the FLC locus
Qian Xing, Elena A. Shemyakina, Jingjing Tian, Vivien I. Strotmann, Alia Anwar, Xianglian Li, Ying Xiong, Tianyue Yang, Yucai Zheng, Li Pu, Yvonne Stahl, Ralf Müller-Xing, Jennifer C. Fletcher
This study shows ULTRAPETALA1 promotes flowering in Arabidopsis by recruiting Polycomb histone methyltransferases to repress FLC transcription.
bioRxiv · May 6, 2025 · PreprintPlant Biology