Mycobacterium asiaticum
Encyclopedia
Mycobacterium asiaticum is a slowly growing photochromogenic mycobacterium
first isolated from monkeys in 1965. M. asiaticum can, but rarely, causes human pulmonary disease.
Colony characteristics
Physiology
Differential characteristics
Mycobacterium
Mycobacterium is a genus of Actinobacteria, given its own family, the Mycobacteriaceae. The genus includes pathogens known to cause serious diseases in mammals, including tuberculosis and leprosy...
first isolated from monkeys in 1965. M. asiaticum can, but rarely, causes human pulmonary disease.
Description
Microscopy- Gram-positive, nonmotile, acid-fast, coccoid rods.
Colony characteristics
- Dysgonic and yellow photochromogenic (pigment not produced in the dark) colonies.
Physiology
- Slow growth on Löwenstein-Jensen medium at 37°C after 15–21 days.
Differential characteristics
- Unique 16S rRNA sequence.
- Biochemically M. asiaticum (photochromogenic) and Mycobacterium gordonaeMycobacterium gordonaeMycobacterium gordonae is a species of Mycobacterium named for Ruth E. Gordon.-Description:Gram-positive, nonmotile and moderate to long acid-fast rods....
(scotochromogenic) can only by the mode of pigmentation.
Type strain
- First isolated from monkeys in 1965.
- Strain ATCC 25276 = CCUG 29115 = CIP 106809 = DSM 44297 = JCM 6409.