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Literature summary for 7.1.1.2 extracted from

  • Saroussi, S.I.; Wittkopp, T.M.; Grossman, A.R.
    The type II NADPH dehydrogenase facilitates cyclic electron flow, energy-dependent quenching, and chlororespiratory metabolism during acclimation of Chlamydomonas reinhardtii to nitrogen deprivation (2016), Plant Physiol., 170, 1975-1988 .
    View publication on PubMedView publication on EuropePMC

Organism

Organism UniProt Comment Textmining
Chlamydomonas reinhardtii A8JI60
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Synonyms

Synonyms Comment Organism
NDA2
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Chlamydomonas reinhardtii
type-II calcium-dependent NADH dehydrogenase
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Chlamydomonas reinhardtii

General Information

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