Mycobacterium moriokaense

Mycobacterium moriokaense

Etymology: moriokaense, from Morioka, Japan where the organism was first isolated.

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

Colony characteristics
 * Dry, rough and nonpigmented (nonphotochromogenic) colonies.

Physiology
 * Rapid growth on Löwenstein-Jensen media at 28°C, 37°C and 42°C, but not at 45°C within 3 days.

Pathogenesis

 * Biosafety level 1

Type Strain
Strain NCH E11715 = ATCC 43059 = CCUG 37671 = CIP 105393 = DSM 44221 = JCM 6375 = VKM Ac-1183.
 * First isolated from sputum of a patient with tuberculosis and from soil in Morioka, Japan.