| Mycobacterium hiberniae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinobacteria, Class Actinobacteria, Order Actinomycetales, Suborder Corynebacterineae, Family Mycobacteriaceae, Genus
Mycobacterium, Mycobacterium hiberniae Kazda et al. 1993.
Member of the Mycobacterium terrae complex.
Mycobacterium, Mycobacterium hiberniae Kazda et al. 1993.
Member of the Mycobacterium terrae complex.
Acid-alcohol-fast, beaded rods, 0.9 x 1.2-1.5 μm. Frequently forms clumps. Not
forming cords, aerial hyphae, capsules, spores, or true branching.
forming cords, aerial hyphae, capsules, spores, or true branching.
Colonies on Lowenstein-Jensen and Middlebrook 7H10 agar, after incubation for 20
days are smooth, compact, and glistening rose-pink, 1-1.5 mm in diameter. Eugonic
growth in the first phase, but later become dysgonic and assume a rough, dry
appearance after longer incubation (8 weeks). Temperature range for growth is 22-37
ºC; optimal growth is at 37 ºC; does not grow at 42 or 45 ºC. No growth in media
supplemented in 5% (w/v) NaCl.
days are smooth, compact, and glistening rose-pink, 1-1.5 mm in diameter. Eugonic
growth in the first phase, but later become dysgonic and assume a rough, dry
appearance after longer incubation (8 weeks). Temperature range for growth is 22-37
ºC; optimal growth is at 37 ºC; does not grow at 42 or 45 ºC. No growth in media
supplemented in 5% (w/v) NaCl.
Isolated from moss (Ctenidium molluscum), sphagnum vegetation, and soil collected in counties Clare and Donegal in Ireland.
Susceptible to ethambutol (2 µg/ml). Resistant to isoniazid (1 µg/ml), (variable), streptomycin (5 µg/ml), ethionamide (10 and 40
µg/ml), rifampin (20 µg/ml), and potassium tellurite.
Susceptible to ethambutol (2 µg/ml). Resistant to isoniazid (1 µg/ml), (variable), streptomycin (5 µg/ml), ethionamide (10 and 40
µg/ml), rifampin (20 µg/ml), and potassium tellurite.
Not pathogenic for guinea pigs, mice, or rabbits. Produce a non-specific hypersensitivity reaction to bovine tuberculin in guinea pigs
and cattle.
and cattle.
- 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. - Kazda J, Cooney R, Monaghan M, Quinn PJ, Stackebrandt E, Dorsch M, Daffe M, Muller K, Cook BR, Tarnok ZS. Mycobacterium
hiberniae sp. nov. Int J Syst Bacteriol 1993; 43:352-357. - Jamal Saad, Michael Phelippeau, May Khoder, Marc Levy, Didier Musso & Michel Drancourt. “Mycobacterium mephinesia”, a
Mycobacterium terrae complex species of clinical interest isolated in French Polynesia. Scientific Reports | (2019) 9:11169 | https:
//doi.org/10.1038/s41598-019-47674-8. - Neonakis IK, Spandidos DA, Gitti Z. Mycobacterium heraklionense sp. nov.: A case series. Exp Ther Med. 2015;10(4):1401-1403.
doi:10.3892/etm.2015.2683. - Masaki T, Ohkusu K, Hata H, Fujiwara N, Iihara H, Yamada-Noda M, Nhung PH, Hayashi M, Asano Y, Kawamura Y, et al.
Mycobacterium kumamotonense Sp. Nov. recovered from clinical specimen and the first isolation report of Mycobacterium
arupense in Japan: Novel slowly growing, nonchromogenic clinical isolates related to Mycobacterium terrae complex. Microbiol
Immunol 2006; 50:889-897.
Positive results for acid phosphatase, arylsulfatase (10 days), catalase, beta-galactosidase, and nitrate reduction.
Negative results for arylsulfatase (3 days),beta-glucosidase, niacin production, allantoinase, benzamidase, isonicotinamidase,
nicotinamidase, pyrazinamidase (positive in Saad's paper - API test), succinamidase, urease, acid production from glucose and
mannose.
Variable results for Tween 80 hydrolysis.
Negative results for arylsulfatase (3 days),beta-glucosidase, niacin production, allantoinase, benzamidase, isonicotinamidase,
nicotinamidase, pyrazinamidase (positive in Saad's paper - API test), succinamidase, urease, acid production from glucose and
mannose.
Variable results for Tween 80 hydrolysis.
(c) Costin Stoica
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