Thermosensory pathway makes a U-turn to respond to heat
Luciana Bianchimano, Cha San Koh, Maria Belen De Luca, Mauro German Murcia, Matias Ezequiel Pereyra, Anna B. Hamacher, Matias 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