| Mycobacterium fragae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinobacteria, Class Actinobacteria, Order Actinomycetales, Suborder Corynebacterineae, Family Mycobacteriaceae, Genus
Mycobacterium, Mycobacterium fragae Ramos et al. 2013.
Mycobacterium, Mycobacterium fragae Ramos et al. 2013.
Acid-alcohol-fast, short rods. Non-motile.
Colonies are smooth and unpigmentated. Growth is obtained in Lowenstein-Jensen
in 3-4 weeks at 30-37 ºC. No growth at 45 ºC. No growth on MacConkey agar without
crystal violet.
in 3-4 weeks at 30-37 ºC. No growth at 45 ºC. No growth on MacConkey agar without
crystal violet.
Undetermined. Isolated from a patient with pulmonary disease.
Isolated from sputum samples of a patient from the north-eastern Ceara state in Brazil.
Resistant to thiophene-2-carboxylic hydrazide (5μg/ml), hydroxylamine (500 μg/ml), and paranitrobenzoic acid (500 μg/ml).
Susceptible to clarithromycin, ethambutol, amikacin, linezolid, ciprofloxacin, streptomycin, doxicyclin, moxicyclin, rifampicin and
sulfamethoxazole.
Resistant to thiophene-2-carboxylic hydrazide (5μg/ml), hydroxylamine (500 μg/ml), and paranitrobenzoic acid (500 μg/ml).
Susceptible to clarithromycin, ethambutol, amikacin, linezolid, ciprofloxacin, streptomycin, doxicyclin, moxicyclin, rifampicin and
sulfamethoxazole.
- Ramos JP, Campos CE, Caldas PC, Ferreira NV, da Silva MV, Redner P, Campelo CL, Vale SF, Barroso EC, Medeiros RF, et al.
Mycobacterium fragae sp. nov., a non-chromogenic species isolated from human respiratory specimens. Int J Syst Evol Microbiol
2013; 63:2583-2587.
Positive results for thermostable catalase (68 ºC) and tellurite reduction.
Negative results for arylsulfatase (3 days), semi-quantitative catalase (> 45mm), niacin accumulation, nitrate reduction, Tween 80
hydrolysis, and urease.
Negative results for arylsulfatase (3 days), semi-quantitative catalase (> 45mm), niacin accumulation, nitrate reduction, Tween 80
hydrolysis, and urease.
(c) Costin Stoica
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