| Species/Subspecies: | Mycobacterium ulcerans | ||||||||
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| Category: | Primarily of interest in human medicin | ||||||||
| Etymology: | Genus name: small fungus-like rod. Species epithet: cause ulceration | ||||||||
| Significance: | [Of minor importance] | ||||||||
| Taxonomy: | Class Actinomycetia Order Mycobacteriales Family Mycobacteriaceae Genus Mycobacterium |
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| Type Strain: | ATCC 19423 =NTCC 10417 | ||||||||
| Macromorphology (smell): | |||||||||
| Micromorphology: | Acid-fast rods | ||||||||
| Gram +/Gram -: | G+ (but difficult to gram stain) | ||||||||
| Catalase/Oxidase: | |||||||||
| Spec. Char.: | M. ulcerans is a slow grower (it takes more than 7 days to see colonies with the naked eye). | ||||||||
| Disease: | Ulcerative skin infections. |
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| Hosts: | Humans | ||||||||
| Clinical Picture: | Ulcerative skin infections. | ||||||||
| Virulence Factors: | Forms an extrcellular heat-labile toxin. | ||||||||
| 16S rRNA Seq.: |
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| Taxonomy/phylogeny:
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About 175 species have been described within genus Mycobacterium and this genus is closely related to Rhodococcus, Nocardia and Corynebacterium. M. ulcerans is very closely related to M. marinum. | ||||||||
| Updated: | 2023-03-02 |