Thermosensory pathway makes a U-turn to respond to heat
L. Bianchimano, C. S. Koh, M. B. De Luca, M. G. Murcia, M. E. Pereyra, A. B. Hamacher, M. Zurbriggen, Jorge Casal
The paper shows that heat stress reverses the growth-promoting thermomorphogenesis pathway in Arabidopsis by suppressing auxin and PIF4 in cotyledons, revealing an active molecular mechanism.
bioRxiv · Nov 9, 2026 · PreprintPlant Biology