Mycobacterium brumae
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| Mycobacterium brumae | |
|---|---|
Scientific classification 
| |
| Domain: | Bacteria |
| Phylum: | Actinomycetota |
| Class: | Actinomycetia |
| Order: | Mycobacteriales |
| Family: | Mycobacteriaceae |
| Genus: | Mycobacterium |
| Species: | M. brumae
|
| Binomial name | |
| Mycobacterium brumae Luquin et al. 1993, ATCC 51384
| |
Mycobacterium brumae is a rapidly growing environmental mycobacterial species identified in 1993. Aside from one 2004 report of a catheter related bloodstream infection no other infections by this organism have been reported. It was first isolated from water, soil and one human sputum sample in Spain.
Description
Microscopy
- Gram-positive, nonmotile, mostly strongly acid-fast rods, 2.0-2.5 µm long and 0.3 to 0.5 µm wide.
Colony characteristics
- Flat, rough, and undulated yellow, nonphotochromogenic colonies
Physiology
- Rapid growth occurs within 5 days at 25 °C, 30 °C and 37 °C, but not at 45 °C on Löwenstein-Jensen medium and Middlebrook 7H10 agar.
- Production of thermostable catalase.
- Positive for β-glucosidase, nitrate reductase, penicillinase, trehalase, urease and iron uptake.
- Tween 80 hydrolysis after 10 days.
- No accumulation of niacin, no degradation of salicylate to catechol.
- No growth on MacConkey agar without crystal violet.
Pathogenesis
- In 2004 a patient with breast cancer was reported to have a catheter related bloodstream infection.
Type strain
- First isolated from water, soil and human sputum samples in Barcelona, Spain.
- Strain CR-270 = ATCC 51384 = CCUG 37586 = CIP 103465 = DSM 44177 = JCM 12273.
References
- Luquin (M.), 1993. Mycobacterium brumae sp. nov., a rapidly growing, nonphotochromogenic mycobacterium. Int. J. Syst. Bacteriol., 1993, 43, 405–413.
- Lee, S.A, 2004. Catheter-related bloodstream infection caused by Mycobacterium brumae. J Clin Microbiol. 2004 Nov;42(11):5429-31.
External links
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