Abiotic and biotic stress activate the unfolded protein response in grapevine, with IRE1/bZIP60 signaling contributing to Botrytis cinerea resistance
Tania Marzari, Emma Poilvert, Blanchard Cecile, Karine Palavioux, Agnès Klinger, Hugo assangatebois, Alix Martinet, A Henry, Benoît Poinssot, Mathieu Gayral
This study shows that abiotic and biotic stresses activate the UPR in grapevine, with IRE1/bZIP60 signaling enhancing resistance to Botrytis cinerea.
bioRxiv · Aug 11, 2025 · PreprintPlant Biology