A microbiologist working with Mycobacteria notes following colonies grow on LowensteinJensen media. Which mycobacteria is he working with?
Mycobacterium bovis
Mycobacterium tuberculosis
Mycobaterium avium intracellulare
Mycobacterium kansasii
Mycobacterium tuberculosis colonies on LJ medium are dry, rough, raised, irregular colonies with a wrinkled surface, tenacious, difficult to emulsify, creamy white and buff-colored. (Rough, tough, buff). Mycobacterium bovis forms moist, smooth, flat, white colonies on LJ media that break-up easily when touched. Reference: Ananthanarayan and Paniker&;s Textbook of Microbiology Tenth edition
Bacteriology