Kavita Prashar
Mycobacteria constitute an important group of organisms. Besides several pathogenic species which affect the health of human beings and animals, there are several others which can be considered as saprophytic or commensal the two major mycobacterial pathogens, namely, Mycobacterium tuberculosis and M. leprae, are known to affect the health of millions of people all over the world. In the present investigation an attempt was made to highlight the role of the biochemical constituents (composition, metabolism and immunochemical characterization) in the manifestation of drug resistance in Mycobacterium.