Phylum Actinobacteria, Class Actinobacteria, Order Actinomycetales, Suborder Corynebacterineae, Family Mycobacteriaceae, Genus
Mycobacterium, Mycobacterium paraense Fusco da Costa et al. 2015.
Member of the Mycobacterium simiae complex.
Acid-alcohol-fast rods. Gram-positive. Non-motile. Non-sporeforming.
Colonies are smooth, unpigmented or light yellow, developing in two weeks or more
at temperatures ranging between 25 and 37 ºC, both in the light and the dark
Growth is slower at 30 ºC and inhibited at 42 ºC.
Isolated from sputum of patients in Brasil and Italy.
Resistant to p-nitrobenzoate (500 μg/ml) and thiacetazone (10 μg/ml). Susceptible to hydroxylamine (500 μg/ml) and isoniazid (1
MIC: susceptible to amikacin, clarithromycin, linezolid and rifabutin, and resistant to ciprofloxacin, doxycycline, ethambutol, rifampicin
and streptomycin. Variable susceptibility to sulfamethoxazole.
- Fusco da Costa AR, Fedrizzi T, Lopes ML, Pecorari M, Oliveira da Costa WL, Giacobazzi E, da Costa Bahia JR, De Sanctis V,
Batista Lima KV, Bertorelli R, et al. Characterization of 17 strains belonging to the Mycobacterium simiae complex and description
of Mycobacterium paraense sp. nov. Int J Syst Evol Microbiol 2015; 65:656-662.
Positive results for thermostable catalase and semi-quantitative catalase.
Negative results for niacin accumulation, nitrate reduction, beta-glucosidase, tellurite reduction, and urease.
Variable results for Tween 80 hydrolysis.
(c) Costin Stoica