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photosynthesis, light reaction

Term Information

Accession
GO:0019684
Name
photosynthesis, light reaction
Ontology
biological_process
Synonyms
photolysis
Alternate IDs
None
Definition
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. Source: http://www.arabidopsis.org
Comment
None
History
See term history for GO:0019684 at QuickGO
Subset
None
Feedback
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Parents of photosynthesis, light reaction (GO:0019684)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
photosynthesis, light reaction [is_a relation] is_a  generation of precursor metabolites and energy (GO:0006091)
photosynthesis, light reaction [BFO:0000050 relation] BFO:0000050  photosynthesis (GO:0015979)
Children of photosynthesis, light reaction (GO:0019684)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
photosynthesis, light harvesting (GO:0009765) [BFO:0000050 relation] BFO:0000050  photosynthesis, light reaction
photosynthetic NADP+ reduction (GO:0009780) [BFO:0000050 relation] BFO:0000050  photosynthesis, light reaction
photosynthetic electron transport chain (GO:0009767) [BFO:0000050 relation] BFO:0000050  photosynthesis, light reaction
photosystem I assembly (GO:0048564) [BFO:0000050 relation] BFO:0000050  photosynthesis, light reaction
photosystem II assembly (GO:0010207) [BFO:0000050 relation] BFO:0000050  photosynthesis, light reaction
regulation of photosynthesis, light reaction (GO:0042548) [RO:0002211 relation] RO:0002211  photosynthesis, light reaction
negative regulation of photosynthesis, light reaction (GO:0043155) [RO:0002212 relation] RO:0002212  photosynthesis, light reaction
photosynthetic phosphorylation (GO:0009777) [BFO:0000050 relation] BFO:0000050  photosynthesis, light reaction
MetaCyc
PWY-101