Photophosphorylation | definition of photophosphorylation by Medical dictionary
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Formation of ATP as a result of absorption of light.
photophosphorylation (fō′tō-fŏs′fôr-ə-lā′shən, -fər-)
Phosphorylation induced by radiant energy in photosynthesis.
photophosphorylation the production of ATP from ADP, with light as the energy source. The process takes place during the ‘light reactions’ of PHOTOSYNTHESIS which also result in the production of reduced NADP. The details of ATP and NADPH formation are given under LIGHT REACTIONS.
References in periodicals archive
Photophosphorylation ADP + Pi -- Light [right arrow] ADP
The energy captured by ADP and Pi to form ATP through photophosphorylation.
Inhibition of photosynthetic electron transport and photophosphorylation
Above 40 [degrees] C, PSII was inhibited and photophosphorylation
ceased (Stidham et al.
PMA inhibits both Hill activity and photophosphorylation
(Siegenlthaler & Packer, 1965), as well as the dark reduction of cytochrome [C.