Hypermorphic TaARF4 shapes wheat architecture by repressing SPL-mediated developmental timing
Zhenru Guo, Yang Li, Kenan Tan, Twan L. M. Rutten, Abdullah Shalmani, Qing Chen, Qingcheng Li, Maolin Peng, Lu Lei, Jie Tang, Yudelsy Antonia Tandrón Moya, Markus Kuhlmann, Shuangshuang Zhao, Yongyu Huang, Stefan Ortleb, , Thorsten Schnurbusch
This study identifies a hypermorphic mutation in TaARF4-A2 that represses SPL-mediated developmental timing, leading to altered wheat architecture by promoting aerial branching and reducing reproductive development.
bioRxiv · Apr 27, 2026 · PreprintPlant Biology