The causative organism of tuberculosis in man. Straight or slightly curved bacillus some 3 x 0.3 μm; shorter or longer forms occur on culture. Acid – and alcohol-fast, and may show beading. Grows slowly (2-4 weeks) on egg media; very infective to guinea-pigs, less so to rabbits.
The causative agent of tuberculosis in humans.
A gram-positive, slow-growing, non-photochromogenic, pathogenic species responsible for causing tuberculosis in humans, other primates, dogs, guinea pigs, and hamsters.