Mycobacterium diernhoferi

Mycobacterium diernhoferi

Description
Gram-positive, nonmotile and acid-fast rods (2-6µm x 0.5µm).

Colony characteristics
 * White smooth and non-photochromogenic colonies.

Physiology Differential characteristics Belongs to the M. parafortuitum complex. Which unifies rapidly growing, scotochromogenic mycobacteria (M. parafortuitum, M. aurum, M. neoaurum, M. diernhoferi and M. austroafricanum).
 * Fast growth at 28°C and 37°C within 3 days, no growth at 42°C.
 * Resistant to isoniazid, rifampin, Susceptible to ethambutol.

Pathogenesis

 * Not associated with disease. Biosafety level 1.

Type Strain
First isolated from soil in a cattle field (Germany). Strain 41001 = ATCC 19340 = CIP 105384 = DSM 43524 = HAMBI 2269 = IFO (now NBRC) 14756 = JCM 6371.