Effect of sulfhydryl reagents on k efflux from rose cells: relationship to ultraviolet-stimulated efflux.
N-Ethylmaleimide causes a rapid efflux of K(+) from suspension-cultured cells of Rosa damascena. This efflux shows many characteristics of the ultraviolet-induced efflux of K(+), including the appearance of HCO(3) (-) together with the K(+) and inhibition by respiratory inhibitors. Cysteine inhibits the ultraviolet-induced efflux of K(+). These results are interpreted to mean that ultraviolet induces K(+) efflux through an alteration of sulfhydryl residues.
12 references, click to expand
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Ultraviolet-Stimulated KHCO(3) Efflux from Rose Cells: Regulation of Cytoplasmic pH.Plant Physiol. 1983 Sep;73(1):20-4 PMID: 16663178
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Plasmalemma Chloride Transport in Chara corallina: Inhibition by 4,4'-Diisothiocyano-2,2'-Disulfonic Acid Stilbene.Plant Physiol. 1982 Nov;70(5):1327-34 PMID: 16662675
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A Strain of Rosa damascena Cultured Cells Resistant to Ultraviolet Light.Plant Physiol. 1979 Dec;64(6):936-41 PMID: 16661109
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Light Modulation of Enzyme Activity in Chloroplasts: Generation of Membrane-bound Vicinal-Dithiol Groups by Photosynthetic Electron Transport.Plant Physiol. 1976 Feb;57(2):209-13 PMID: 16659452
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Sulfhydryl Group Involvement in Plasmalemma Transport of HCO(3) and OH in Chara corallina.Plant Physiol. 1980 Feb;65(2):274-80 PMID: 16661173
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Photodynamic action of protoporphyrin IX on human erythrocytes: cross-linking of membrane proteins.Biochem Biophys Res Commun. 1976 Oct 18;72(4):1367-74 PMID: 999678
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UV-Stimulated K Efflux from Rose Cells: Counterion and Inhibitor Studies.Plant Physiol. 1982 Sep;70(3):709-13 PMID: 16662562
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Light and stomatal metabolism : I. Possible involvement of light modulation of enzymes in stomatal movement.Plant Physiol. 1983 Mar;71(3):451-5 PMID: 16662847
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Effect of Sulfhydryl Reagents on the Biophysical Properties of the Plasmalemma of Chara corallina.Plant Physiol. 1981 Oct;68(4):899-904 PMID: 16662022
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Photochemical inactivation of enzymes.Curr Top Radiat Res Q. 1976 Mar;11(2):141-99 PMID: 767058
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Chloroplast sulfhydryl groups and the light activation of fructose-1,6-bisphosphatase.Plant Physiol. 1982 Oct;70(4):978-81 PMID: 16662654
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