SUMO proteases SPF1/2 inhibit seed filling and fatty acid biosynthesis by deSUMOylating WRI1
Rui Huang, Mengrui Wen, Yang Chen, Bojing Feng, Miaolun Yuan, Chao Yang, Huizi Huang, Jianhai Mo, Qiuchan Lu, Wenjuan Lai, Zixuan Ma, Lin Zhang, Hongqing Li, Shengchun Zhang
This study identifies SPF1/2 SUMO proteases that inhibit seed filling and fatty acid biosynthesis by deSUMOylating WRI1, enhancing its degradation and reducing oil accumulation in Arabidopsis.
bioRxiv · Aug 1, 2025 · PreprintPlant Biology