Phylum Actinobacteria, Class Actinobacteria, Order Actinomycetales, Suborder Corynebacterineae, Family Mycobacteriaceae, Genus
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
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
- 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
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.
(c) Costin Stoica