Electron Transport and Photophosphorylation in Chloroplasts as a Function of the Electron Acceptor
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چکیده
منابع مشابه
Effect of Encecalin, Euparin and Demethylencecalin on Thylakoid Electron Transport and Photophosphorylation in Isolated Spinach Chloroplasts*
The major phytotoxic compounds (encecalin, euparin and demethylencecalin) isolated from Helianthella quinquenervis (Hook) A Gray (Asteraceae) were evaluated on di†erent photosynthetic activities in chloroplasts isolated from spinach leaves. ATP synthesis, proton uptake and electron Ñow (basal, phosphorylating and uncoupled) were inhibited by encecalin and demethylencecalin in a concentration de...
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Chromatophore fractions isolated from photosynthetic bacteria can catalyze light-dependent phosphorylation of adenosine diphosphate to triphosphate (l-3) and also a variety of lightactivated electron transfer reactions, including photoreduction and photo-oxidation of dyes and pyridine nucleotides (4, 5). Whether or not phosphorylation and such electron transport are independent, can occur simul...
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15 صفحه اولStudies on Effect of Certain Quinones: I. Electron Transport, Photophosphorylation, and CO(2) Fixation in Isolated Chloroplasts.
The effect of quinone herbicides and fungicides on photosynthetic reactions in isolated spinach (Spinacia oleracea) chloroplasts was investigated. 2,3-Dichloro-1,4-naphthoquinone (dichlone), 2-amino-3-chloro-1,4-naphthoquinone (06K-quinone), and 2,3,5,6-tetrachloro-1,4-benzoquinone (chloranil) inhibited ferricyanide reduction as well as ATP formation. Benzoquinone had little or no effect on the...
متن کاملPhotophosphorylation in intact algae: Effects of inhibitors, intensity of light, electron acceptor and donors
The luciferin-luciferase method was used to determine ATP extracted from darkmaintained and light-exposed samples of the green alga Chlorella pyrenoidosa and of the blue-green alga Anacystis nidulans. A few measurements on Synechococcus lividus (a bluegreen thermophile, clone 65°C) are also reported. 1. The light-minus-dark ATP levels (JATP) from aerobic cells of Chlorella and Anacystis were ne...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1971
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)62215-x