Organism | UniProt | Comment | Textmining |
---|---|---|---|
Chlamydomonas reinhardtii | A8JI60 | - |
- |
Synonyms | Comment | Organism |
---|---|---|
NDA2 | - |
Chlamydomonas reinhardtii |
type-II calcium-dependent NADH dehydrogenase | - |
Chlamydomonas reinhardtii |
General Information | Comment | Organism |
---|---|---|
physiological function | rerouting electrons through the NDA2 catalytic hub in response to photoautotrophic N deprivation sustains cell viability while promoting the dissipation of excess excitation energy through quenching and chlororespiratory processes. The type II NADPH dehydrogenase is key to acclimation of cells to N deprivation. NDA2 drives cyclic electron flow, chlororespiration, and the generation of an H+ gradient across the thylakoid membranes. N deprivation elicits a doubling of the rate of NDA2-dependent cyclic electron flow, with little contribution from PGR5/PGRL1-dependent cyclic electron flow. Stimulation of NDA2-dependent chlororespiration affords additional relief from the elevated reduction state associated with N deprivation through plastid terminal oxidase-dependent water synthesis | Chlamydomonas reinhardtii |