Oxidation versus reductive detoxification of SO2 by chloroplasts

Intact chloroplasts isolated from spinach (Spinacia oleracea L. cv Yates) both oxidized and reduced added sulfite in the light. Oxidation was fast only when endogenous superoxide dismutase was inhibited by cyanide. It was largely suppressed by scavengers of oxygen radicals. After addition of O-acety...

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Veröffentlicht in:	Plant physiology (Bethesda) 1990-03, Vol.92 (3), p.846-849
Hauptverfasser:	Ghisi, R. (University of Basilicata, Potenza, Italy), Dittrich, A.P.M, Heber, U
Format:	Artikel
Sprache:	eng
Schlagworte:	ACTIVIDAD ENZIMATICA ACTIVITE ENZYMATIQUE Biological and medical sciences BIOSINTESIS BIOSYNTHESE Chloroplasts CIANUROS CISTEINA Communications CONTAMINACION DEL AIRE CYANURE CYSTEINE DIOXIDO DE AZUFRE DIOXYDE DE SOUFRE Environmental and Stress Physiology FITOTOXICIDAD Fundamental and applied biological sciences. Psychology INHIBIDORES DE ENZIMAS INHIBITEUR D'ENZYME LUMIERE LUZ Metabolism Metabolism. Physicochemical requirements OXIDACION Oxidation OXYDATION Oxygen Phosphates PHYTOTOXICITE Plant physiology and development Plants PLASTE PLASTIDIOS POLLUTION ATMOSPHERIQUE REDUCCION REDUCTION Spinach SPINACIA OLERACEA Sulfates Sulfites Sulfur Superoxides SUPEROXIDO DISMUTASA SUPEROXYDE DISMUTASE
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