The occurrence of phosphoglyceric acid in the bacterial dissimilation of glucose

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Abstract
Phosphoglyceric acid has been isolated from fermentation mixtures using Propionibacterium arabinosurm, P. pentosaceum, Aerobacter indologenes, Escherichia coli, Lactobacillus pentoaceticus, L. plantarum, Serratia marcescens, Bacillus subtilis, B. mycoides, Azoto-bacter vinelandii, Streptococcus paracitrovorous and Staphy-lococcus albus. It was not found with Clostridium butylicum, Cl. histolyticum and C. sporogenes. Aeration of the fermentation mixtures increases, storing the cells at 5[degree] decreases, the formation of the ester. Acetylmethylcarbinol is a better H-acceptor for use with the colon-aerogenes bacteria than either pyruyic acid or acetaldehyde. The possible role of phosphoglyceric acid in bacterial glycolysis is discussed.

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