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(Chest. 1960;37:196-198.)
© 1960 American College of Chest Physicians

Catalase Activity as Variable Property of Mycobacteria

G. FAHR M.D., F.C.C.P.1; A. PUKITE B.Sc.1; and E. DARZINS M.D.1

1 Research Laboratory, Anoka State Hospital.

In the three species and two variants of mycobacteria investigated under standard conditions, catalase activity was variable.

Catalase activity was a particular property of each species or variant of mycobacteria investigated.

Catalase activity in the species investigated was not directly related to their rate of growth.

Carbon dioxide had a depressing effect on catalase activity; at 100 per cent concentration in the atmosphere, catalase activity was reduced in 48 hours by approximately 50 per cent. Nitrogen did not have such an effect.






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