Antagonism between salicylic acid and auxin responses directs root development during Tobamovirus infection
Daniela Weiss, Felix Shaya, Mira Carmeli‐Weissberg, Ben N. Mansfeld, Ziv Spiegelman
This study shows that Tobamovirus infection in tomato roots causes a trade-off between salicylic acid defense and auxin growth signaling, with SlARF19a playing a key role in root branching suppression.
bioRxiv · Sep 18, 2026 · PreprintPlant Biology