THE NITROGEN METABOLISM OF CERTAIN STRAINS OF MYCOBACTERIUM TUBERCULOSIS

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Abstract
The assimilation of ammonia by washed suspensions of 6 BCG strains of M. tuberculosis was studied. 5 strains produce ammonia when suspensions are shaken and assimilate only when an oxidizable substrate such as glycerol is added. The 6th, strain, ATC 8420, assimilates rapidly in the absence of added substrate, and in the process, the autorespiration is markedly increased. The effects of age of the culture, of added substrates, and of certain drugs on the assimilation in this strain are descr.

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