Auxin antagonism of ABA-induced stomatal closure in Arabidopsis requires the TIR1/AFB-AUX/IAA module and ROS suppression
Camila Alejandra Rios, Laila Toum, Lucía Padula, Fernando Luis Pieckenstain, Gustavo Eduardo Gudesblat
This study shows that auxin counteracts ABA-induced stomatal closure in Arabidopsis through the TIR1/AFB-AUX/IAA module and ROS suppression, with genetic factors and mild drought modulating the response.
bioRxiv · Jul 15, 2025 · PreprintPlant Biology