The Dissimilation of Organic Acids by Aerobacter indologenes

Abstract
A. indologenes dissimilates acetic or succinic but not lactic acid in the presence of glucose and under anaerobic conditions. Although gaseous H is a product of the fermentation of glucose by A. indologenes, no appreciable quantities are produced when glucose is fermented in the presence of sufficient acetate. Escherichia coli behaves differently. The evidence indicates that in the case of A. indologenes acetic acid is reduced and condensed to 2,3-butylene glycol, probably through acetaldehyde and acetylmethylcarbinol as intermediary stages. Molecular H is not activated to reduce the acid.

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