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Light dependent uptake of hydrogen ions in chloroplasts and chromatophores effects of heating solvents and detergents

Light dependent uptake of hydrogen ions in chloroplasts and chromatophores effects of heating solvents and detergents

Biochemistry 42(11 Part 1): (1978)

The effects of heating, organic solvents and detergents on the light-dependent H+ uptake in chloroplasts [pea] and chromatophores [Rhodospirillum rubrum] and the coupled photophosphorylation were compared. The membrane structure of the chromatophores is much more stable than that of the chloroplast thylacoids. The activation of the pH function in the chromatophores in the presence of low concentrations of diethyl ether and detergents was noted. The effects observed may be due to the changes in the physico-chemical properties of the membranes rather than to the direct effect on the photosynthetic electron transfer chain.

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Accession: 005809828

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PMID: 22359

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