| Mycobacterium montefiorense |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinobacteria, Class Actinobacteria, Order Actinomycetales, Suborder Corynebacterineae, Family Mycobacteriaceae, Genus
Mycobacterium, Mycobacterium montefiorense Levi et al. 2003.
Member of the Mycobacterium simiae complex.
Mycobacterium, Mycobacterium montefiorense Levi et al. 2003.
Member of the Mycobacterium simiae complex.
Beaded acid-fast rods. Cocco-bacillary forms occur after long incubation (20 weeks)
on sheep blood agar. Resists Gram staining.
on sheep blood agar. Resists Gram staining.
Colonies on Middlebrook agar are small, transparent, non-chromogenic, and
biochemically inactive. Colonies on sheep blood agar are rough and alpha-hemolytic.
Growth occurs at 22-25 ºC, but not at 30 ºC or above. Does not grow on media
supplemented with 5% (w/v) NaCl.
biochemically inactive. Colonies on sheep blood agar are rough and alpha-hemolytic.
Growth occurs at 22-25 ºC, but not at 30 ºC or above. Does not grow on media
supplemented with 5% (w/v) NaCl.
Isolated from a granulomatous skin lesion of a moray eel.
Considered to be the etiological agent of granulomatous skin disease in moray eels.
Experimental infection: scratch inoculation of mycobacterium produces lesions in recipient eels.
Experimental infection: scratch inoculation of mycobacterium produces lesions in recipient eels.
- John G. Magee and Alan C. Ward 2012. Family III. Mycobacteriaceae Chester 1897, 63AL in Bergey’s Manual of Systematic
Bacteriology, Volume Five The Actinobacteria, Part A, Michael Goodfellow & al. (editors), 312-375. - Levi MH, Bartell J, Gandolfo L, Smole SC, Costa SF, Weiss LM, Johnson LK, Osterhout G, Herbst LH. Characterization of
Mycobacterium montefiorense sp. nov., a novel pathogenic Mycobacterium from moray eels that is related to Mycobacterium
triplex. J Clin Microbiol 2003; 41:2147-2152.
Positive results for heat-stable catalase (68 ºC) (weak reaction).
Negative results for arylsulfatase (3 and 10 days), semiquantitative catalase test, niacin accumulation, nitrate reduction, Tween 80
hydrolysis, and urease.
Negative results for arylsulfatase (3 and 10 days), semiquantitative catalase test, niacin accumulation, nitrate reduction, Tween 80
hydrolysis, and urease.
(c) Costin Stoica
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