| Mycobacterium aquaticum |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinobacteria, Class Actinobacteria, Order Actinomycetales, Suborder Corynebacterineae, Family Mycobacteriaceae, Genus
Mycobacterium, Mycobacterium aquaticum Hashemi Shahraki et al. 2017.
Mycobacterium, Mycobacterium aquaticum Hashemi Shahraki et al. 2017.
Acid-fast. Non-motile. Non-spore-forming.
Colonies on on blood agar are large, smooth / mucoid, unpigmented and develop in
3-5 days at temperatures ranging from 25 to 37 °C. Grows on McConkey agar without
crystal violet.
3-5 days at temperatures ranging from 25 to 37 °C. Grows on McConkey agar without
crystal violet.
Isolated from haemodialysis water in an Iranian hospital and from sputum.
Resistant to isoniazid (1 µg/ml ) and thiacetazone (10 µg/ml), tobramycin, doxycycline, minocycline, cefoxitin, and imipenem.
Susceptible to p-nitrobenzoic acid (400 µg/ml), trimethoprim-sulfamethoxazole, linezolid, ciprofloxacin, moxifloxacin, amikacin,
tigecycline, and clarithromycin.
Resistant to isoniazid (1 µg/ml ) and thiacetazone (10 µg/ml), tobramycin, doxycycline, minocycline, cefoxitin, and imipenem.
Susceptible to p-nitrobenzoic acid (400 µg/ml), trimethoprim-sulfamethoxazole, linezolid, ciprofloxacin, moxifloxacin, amikacin,
tigecycline, and clarithromycin.
Undetermined.
- Hashemi Shahraki A, Trovato A, Droz S, Haidarieh P, Borroni E, Mirsaeidi M, Mannino R, Hashemzadeh M, Mariottini A, Cirillo DM,
et al. Mycobacterium aquaticum sp. nov., a rapidly growing species isolated from haemodialysis water. Int J Syst Evol Microbiol
2017; 67:3279-3282.
Positive results for semiquantitative catalase test (>45 mm of foam) and tellurite reduction.
Negative results for thermostable catalase (68 °C), nitrate reduction, Tween 80 hydrolysis and urease.
Negative results for thermostable catalase (68 °C), nitrate reduction, Tween 80 hydrolysis and urease.
(c) Costin Stoica
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