Air channels create a directional light signal to regulate hypocotyl phototropism
G. M. Nawkar, L. Martina, A. Goyal, E. Schmid-Siegert, J. Fleury, A. Mucciolo, D. De Bellis, A. Schueler, C. Fankhauser
The paper shows that air channels in Arabidopsis hypocotyls enhance light scattering, creating a gradient that regulates phototropism through auxin distribution.
bioRxiv · Feb 22, 2023Plant Biology