Phytochrome-dependent responsiveness to root-derived cytokinins enables coordinated elongation responses to combined light and nitrate cues.
P. Gautrat, S. Buti, A. Romanowski, G. Buijs, R. Pierik
The paper shows how Arabidopsis integrates light and nitrate signals through a root-derived cytokinin pathway to regulate hypocotyl elongation in response to shade and nutrient availability.
bioRxiv · Dec 22, 2023Plant Biology