Abstract

The pathways of glucose catabolism were examined in a B. cinerea strain isolated from grape. Respirometric and enzymatic studies indicated that this plant parasite catabolized glucose through the Embden–Meyerhof and hexose monophosphate shunt pathways. Data also suggested functioning of an active tricarboxylic acid cycle and presence of the glyoxylate cycle. Direct oxidation of glucose by means of glucose oxidase led to gluconic acid accumulation in the medium during the stationary phase of growth. Part of the glucose oxidase was extracellular and could have technological consequences in wine making.

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