PEPc-mediated CO2 assimilation provides carbons to gluconeogenesis and the TCA cycle in both dark-exposed and illuminated guard cells
V. F. Lima, D. B. Medeiros, S. A. Candido-Sobrinho, F. B. S. Freire, N. P. Porto, A. Erban, J. Kopka, M. Schwarzlander, A. Fernie, D. M. Daloso
This study uses 13C-labelling to show that PEPc-mediated CO2 assimilation supplies carbons for gluconeogenesis and the TCA cycle in both dark and illuminated guard cells, with illumination increasing 13C-enrichment in several metabolites.
bioRxiv · Nov 3, 2021 · PreprintPlant Biology