Now showing items 1-5 of 5
Photosystem II -- Mediated cyclic photophosphorylation
(Elsevier, 1976-02-09)
DCMU-sensitive synthesis of ATP can be shown to continue in KCN-treated chloroplasts after cessation of O2 evolution. The catalyst for this reaction, -phenylenediamine, also stimulates synthesis of ATP in NH2OH-treated ...
PHOTOCHEMICAL GENERATION OF REDUCED QUINONE CATALYSTS OF PHOTOSYSTEM I CYCLIC PHOTOPHOSPHORYLATION ACTIVITY
(Blackwell Publishing Ltd, 1979-01)
When reaction mixtures containing 9,10-anthraquinone-2-sulfonate and chloroplasts poisoned with 3–(3,4-dichlorophenyl)-l, l′-dimethylurea were illuminated with white light, photosystem I-catalyzed cyclic photophosphorylation ...
Reconstitution of cyanobacterial photophosphorylation by a latent Ca+2-ATPase
(Elsevier, 1979-10-12)
Photosynthetic membranes derived from sonic extracts of the cyanobacterium contain a latent Ca+2-ATPase which is activated by exposure to trypsin. When sonic membranes are washed with ethylenediaminetetraacetic acid, the ...
Evidence for two sites of inhibition of photosynthetic electron transport by dibromothymoquinone
(Elsevier, 1978-08)
Two sites in the photosynthetic electron transport chain of spinach chloroplasts are sensitive to inhibition by the plastoquinone antagonist dibromothymoquinone (2,5-dibromo-3-methyl-6-isopropyl-p-benzoquinone). This ...
Steady-state kinetic analyses of Photosystem II activity catalyzed by lipophilic electron acceptors
(Elsevier, 1979-08-14)
Steady-state kinetic analyses of the Photosystem II activity elicited by quinones and quinonediimines in KCN/Hg-inhibited chloroplasts reveal that: 1. 1. Quinones generate a single reaction in which one quinone competes ...