Blue light promotes ascorbate synthesis by deactivating the PAS/LOV photoreceptor that inhibits GDP-L-galactose phosphorylase
C. Bournonville, K. Mori, T. Blomeier, J.-P. Mauxion, J. Jorly, S. Gadin, C. Cassan, M. Maucourt, D. Just, C. Bres, C. Rothan, C. Ferrand, L. Fernandez-Lochu, L. Bataille, K. Miura, , P. Baldet
The paper identifies a photoreceptor, PLP, that inhibits ascorbate biosynthesis by interacting with GGP, and shows blue light deactivates PLP to promote ascorbate synthesis in tomato.
bioRxiv · Dec 12, 2022Plant Biology