Contributions of sucrose synthase and invertase to the metabolism of sucrose in developing leaves: estimation by alternate substrate utilization

The relative contributions of invertase and sucrose synthase to initial cleavage of phloem-imported sucrose was calculated for sink leaves of soybean (Glycine max L. Merr cv Wye) and sugar beet (Beta vulgaris L. monohybrid). Invertase from yeast hydrolyzed sucrose 4200 times faster than 1′-deoxy-1′-...

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Veröffentlicht in:	Plant Physiol.; (United States) 1987-10, Vol.85 (2), p.407-412
Hauptverfasser:	Schmalstig, J.G, Hitz, W.D
Format:	Artikel
Sprache:	eng
Schlagworte:	550501 - Metabolism- Tracer Techniques ACTIVIDAD ENZIMATICA ACTIVITE ENZYMATIQUE Agronomy. Soil science and plant productions ARGLYCINE MAX BACTERIA BASIC BIOLOGICAL SCIENCES BEETS BETA VULGARIS Biological and medical sciences CARBOHYDRATE METABOLISM CARBOHYDRATES CARBON 14 COMPOUNDS CLEAVAGE CRYSTAL STRUCTURE DISACCHARIDES Economic plant physiology ENZYME ACTIVITY ENZYMES ENZYMIC ACTIVITY Ethanol FEUILLE FLOEMA FOOD FRUCTOFURANOSIDASA FRUCTOFURANOSIDASE Fundamental and applied biological sciences. Psychology GLYCINE HISPIDA GLYCINE MAX HOJAS Hydrolysis ISOMERASES ISOTOPE APPLICATIONS LABELLED COMPOUNDS LEAVES LEGUMINOSAE LIGASA LIGASE LIGASES MEASUREMENT MEDICION METABOLISM Metabolism and Enzymology METABOLISME DES GLUCIDES METABOLISMO DE CARBOHIDRATOS MICROORGANISMS MICROSTRUCTURE Net assimilation, photosynthesis, carbon metabolism. Photorespiration, respiration, fermentation (anoxia, hypoxia) Nutrition. Photosynthesis. Respiration. Metabolism OLIGOSACCHARIDES ORGANIC COMPOUNDS PHLOEM PHLOEME Photosynthesis, respiration. Anabolism, catabolism Plant physiology and development PLANTS Ratios RHIZOBIUM SACCHARIDES SACCHAROSE Soybeans SUBSTRATES SUCROSA SUCROSE SUGAR BEETS Sugars TRACER TECHNIQUES VEGETABLES
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