STUDIES ON THIAMINASE II ACTIVITY OF BACILLUS ANEURINOLYTICUS KIMURA et AOYAMA : (I) THE EFFECTS OF SOME SUBSTANCES UPON THE THIAMINASE ACTIVITY OF BACILLUS ANEURINOLYTICUS

Abstract

For the purpose of clarifying the role of thiaminase II of Bacillus aneurinolyticus, the enzymic activity of the bacterial cells was investigated. The activity was not affected by chelating agents and metallic ions except Cu^<++>, while increased by the addition of cysteine and the substrates relating to the respiration of the organism. The most remarkable effect was observed with cysteine and glutamate. These results suggest that the enzyme is concerned in the glutamate metabolism of this bacterium.