system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A microbiologist working with Mycobacteria notes following colonies grow on LowensteinJensen media. Which mycobacteria is he working with?
assistant
The correct answer is  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