Chloride ion transport and its inhibition in thylakoid membranes |
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| Authors: | V Vambutas S Schechter |
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| Affiliation: | 1. Department of Biochemistry, Mount Sinai School of Medicine of the City University of New York, 1 Gustave L. Levy Place, New York, New York 10029 USA;2. Department of Chemistry, Queens College of the City University of New York, Flushing, New York 11367 USA |
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| Abstract: | Cl- translocation across energized and nonenergized thylakoid membranes was found to be inhibited by piretanide, an inhibitor of active Cl- transport in fish intestinal epithelia. Piretanide has no effect on photophosphorylation catalyzed by phenazine methosulfate or on Ca2+-dependent ATPase activity of isolated chloroplast coupling factor (CF1). Light-dependent Cl- uptake, contrary to H+ uptake, is severalfold greater at pH 8.0 than at pH 6.7. |
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| Keywords: | Author to whom correspondence should be sent. |
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