Chloride ion transport and its inhibition in thylakoid membranes.
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.
D001692:Biological Transport / Q000187:drug effects / Q000528:radiation effects; D002712:Chlorides / Q000378:metabolism*; D002736:Chloroplasts / Q000187:drug effects / Q000378:metabolism*; D006863:Hydrogen-Ion Concentration; D007413:Intestinal Mucosa / Q000378:metabolism; D008027:Light; D013449:Sulfonamides / Q000494:pharmacology*
D002712:Chlorides; D013449:Sulfonamides; C015451:piretanide