Mycobacterium murale

Mycobacterium murale

Description
Gram-positive, nonmotile and acid-fast rods or coccobacilli (0.4-0.5 μm x 0.6-1.4 μm).

Colony characteristics Smooth and scotochromogenic colonies of saffron yellow color.

Physiology
 * Growth on Middlebrook 7H10 agar at 10-37 °C, optimum at 30 °C within 5 days.
 * Susceptible to amikacin, azithromycin, ciprofloxacin, clarithromycin and ethambutol.
 * Resistant to isoniazid.

Differential characteristics
 * Mycobacterium murale and Mycobacterium tokaiense share an identical 5'-16S rDNA sequence
 * However the ITS sequence of both species differs.

Pathogenesis

 * Not known.

Type strain
Strain MA112/96 = CCUG 39728 = CIP 105980 = DSM 44340 = HAMBI 2320 = JCM 13392.
 * First isolated from water-damaged indoor building material, Finland.