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Literature summary extracted from

  • Ishikawa, N.; Takabayashi, A.; Noguchi, K.; Tazoe, Y.; Yamamoto, H.; Von Caemmerer, S.; Sato, F.; Endo, T.
    NDH-mediated cyclic electron flow around photosystem I is crucial for C4 photosynthesis (2016), Plant Cell Physiol., 57, 2020-2028 .
    View publication on PubMed

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.97.1.12 chloroplast
-
 Flaveria bidentis 9507
-
1.97.1.12 thylakoid membrane
-
 Flaveria bidentis 42651
-

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.97.1.12 reduced cytochrome b6 + oxidized ferredoxin + hv Flaveria bidentis
-
 oxidized cytochrome b6 + reduced ferredoxin
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
1.97.1.12 Flaveria bidentis
-
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.97.1.12 bundle sheath
-
 Flaveria bidentis
-
1.97.1.12 leaf
-
 Flaveria bidentis
-
1.97.1.12 mesophyll
-
 Flaveria bidentis
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.97.1.12 additional information in vitro plastoquinone reduction assay with the addition of ferredoxin Flaveria bidentis ?
-
 ?
1.97.1.12 reduced cytochrome b6 + oxidized ferredoxin + hv
-
 Flaveria bidentis oxidized cytochrome b6 + reduced ferredoxin
-
 ?
1.97.1.12 reduced plastocyanin + oxidized ferredoxin + hv
-
 Flaveria bidentis oxidized plastocyanin + reduced ferredoxin
-
 ?

Synonyms

EC Number Synonyms Comment Organism
1.97.1.12 PSI
-
 Flaveria bidentis

General Information

EC Number General Information Comment Organism
1.97.1.12 metabolism the physiological contribution of NDH-mediated CEF is greater in C4 photosynthesis than in C3 photosynthesis, suggesting that the mechanism of PET in C4 photosynthesis has changed from that in C3 photosynthesis accompanying the changes in the mechanism of CO2 assimilation Flaveria bidentis
1.97.1.12 physiological function Cyclic electron flow (CEF) can produce ATP without producing NADPH by transporting electrons from the accepter side of PSI to plastoquinone in a cyclic manner and promoting proton translocation across the thylakoid membrane. CEF around PSI mediated by chloroplast NADH dehydrogenase-like complex (NDH), is an alternative pathway of photosynthetic electron transport (PET) and plays a crucial role in C4 photosynthesis, although the contribution of NDH-mediated CEF is small in C3 photosynthesis. NDH-suppressed plants grow poorly, especially under low light conditions. Electron donation to PSI from NDH occurs via the Cyt b6/f complex, the Cyt b6/f complex functions as a proton pump across the thylakoid membrane Flaveria bidentis