Summary
Some physiological and biochemical properties of several strains ofAcetobacter peroxydans have been studied. Their morphology, the aspects of growth on beer-gelatine slants and the colony type are described. The cells are catalase negative and acid resistant. The temperature optimum is 20–25°C. They grow readily on ethanol and on lactate, or on yeast extract alone, but not on carbohydrates and derivatives. They do not consume or oxidize glucose or gluconate. They are overoxidizers. None of these strains was able to grow as hydrogen bacteria.
Resting cells oxidize lactate, pyruvate, ethanol, acetate, some Krebs cycle intermediates and several alcohols. Cell-free extracts oxidize glucose-6-phosphate, 6-phosphogluconate and ribose-5-phosphate in suitable conditions. These results favour the taxonomic position of this species as a member of the genusAcetobacter. The results are discussed.
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De Ley, J. Studies on the metabolism ofAcetobacter peroxydans . Antonie van Leeuwenhoek 24, 281–297 (1958). https://doi.org/10.1007/BF02548455
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DOI: https://doi.org/10.1007/BF02548455