Microbiology Mycobacteria af88575a Buruli ulcer is caused by: A M. tuberculosis B M. ulcerans C M. marinum D M. fortuitum High-Yield Explanation Ans: b (M. ulcerans) Ref: Ananthanarayan, 7th ed, p. 367M.ulcerans is the only toxin producing mycobacterium, causing buruli ulcer