The Fermentation of Propylene Glycol by Members of the Escherichia-Aerobacter-Intermediate Groups

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Abstract
Because of the variation of reactions of Esch. coli and the ''intermediates'' with propylene glycol, this sugar alcohol, as described, can not be used for differentiation. A close correlation exists between the failure to utilize citrate and to ferment propylene glycol by Esch. coli. A relationship between indol formation and propylene glycol fermentation, by the same organism, has been observed.