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Any process that stops, prevents or reduces the frequency, rate or extent of the light-dependent reaction of photosynthesis. The synthesis by organisms of organic chemical compounds, especially carbohydrates, from carbon dioxide (CO2) using energy obtained from light rather than from the oxidation of chemical compounds. Any process that modulates the frequency, rate or extent of the chemical reactions and pathways by which individual cells transform chemical substances. Any process that modulates the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of precursor metabolites, substances from which energy is derived, and the processes involved in the liberation of energy from these substances. The stabilization of the photosystem I protein complex, resulting from the phosphorylation of its structural protein subunits, in a cell actively involved in photosynthesis. Any process that modulates the frequency, rate or extent of photosynthesis. The stabilization of the photosystem II protein complex, resulting from the phosphorylation of its structural protein subunits, in a cell actively involved in photosynthesis. The light reactions of photosynthesis, which take place in photosystems II and I. Light energy is harvested and used to power the transfer of electrons among a series of electron donors and acceptors. The final electron acceptor is NADP+, which is reduced to NADPH. NADPH generated from light reactions is used in sugar synthesis in dark reactions. Light reactions also generate a proton motive force across the thylakoid membrane, and the proton gradient is used to synthesize ATP. There are two chemical reactions involved in the light reactions: water oxidation in photosystem II, and NADP reduction in photosystem I. The chemical reactions and pathways resulting in the formation of precursor metabolites, substances from which energy is derived, and any process involved in the liberation of energy from these substances. Any process that modulates the frequency, rate or extent of the light-dependent reaction of photosynthesis.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: regulation of photosynthesis, light reaction
Acc: GO:0042548
Aspect: Biological Process
Desc: Any process that modulates the frequency, rate or extent of the light-dependent reaction of photosynthesis.
Proteins in PDR annotated with:
   This term: 1 [Search]
   Term or descendants: 15 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0042548 - regulation of photosynthesis, light reaction (interactive image map)
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