A congestion downstream of PSI causes the over-reduction of the electron transport chain in pgr5 independent of membrane energization
S. Kappel, W. Thiele, S. Gefen-Treves, A. Henze, U. Armbruster, M. A. Schöttler
The paper shows that PGR5 is critical for electron partitioning downstream of PSI, not for photosynthetic control, as over-reduction of PSI persists in pgr5 mutants.
bioRxiv · Sep 1, 2023 · PreprintPlant Biology