Mycobacterium malmoense
| Mycobacterium malmoense | |
|---|---|
| Scientific classification | |
| Kingdom: | Bacteria |
| Phylum: | Actinobacteria |
| Order: | Actinomycetales |
| Suborder: | Corynebacterineae |
| Family: | Mycobacteriaceae |
| Genus: | Mycobacterium |
| Species: | M. malmoense |
| Binomial name | |
| Mycobacterium malmoense Schroder and Juhlin 1977, ATCC 29571 | |
Mycobacterium malmoense is a Gram-positive bacterium from the genus Mycobacterium.
Etymology
From the city of Malmö, Sweden where the strain used for the description was isolated from patients.
Description
Gram-positive, nonmotile, acid-fast and coccoid to short rods.
- Environmental reservoir: soil and water.
Colony characteristics
- Smooth and nonpigmented colonies, growth below the surface of semisolid agar medium after deep inoculation (as seen with M. bovis), 0.9 - 1.7mm in diameter.
Physiology
- Growth on inspissated egg medium and oleic acid-albumin agar at a temperature range of 22°C-37°C requires over 1 week.
- Susceptible to ethambutol, ethionamide, kanamycin and cycloserine.
Differential characteristics
- Antigenic structure: seroagglutination demonstrates a single serovar distinct from that of other species.
Pathogenesis
- Usually infects young children with cervical lymphadenitis or adults with chronic pulmonary disease, (mostly with previously documented pneumoconiosis).
- Rarely causes extrapulmonary diseases and disseminated infections
- Biosafety level 2
Type strain
Strain ATCC 29571 = CCUG 37761 = CIP 105775 = DSM 44163 = JCM 13391 = NCTC 11298.
References
- Schroder,K., I. Juhlin 1977. Mycobacterium malmoense sp. nov. International Journal of Systematic Bacteriology, 1977, 27, 241-246.]
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