SOME PHYSIOLOGICAL ASPECTS OF MICROCOCCUS

I. GENERAL PHYSIOLOGICAL ASPECTS

Abstract

1) The respiration of Micrococcus citreus was markedly accelerated by all of the citric acid cycle intermediates tested, that of M. pyogenes var. albus was accelerated by those except citrate, while that of M. pyogenes var. aureus (Terashima) was little accelerated by all of these intermediates.
2) All species of micrococci tested showed a high oxidative activity to glutamate, aspartate and alanine, particularly to glutamate and alanine.
3) All of the following combinations accelerated the oxygen consumption of M. pyogenes var. aureus (Terashima) markedly; glutamate and glucose, glutamate and lactate, and glutamate and pyruvate. The combinations of glutamate and acetate or malate, and of aspartate and pyruvate also showed this effect to some extent.