Phylum Actinobacteria, Class Actinobacteria, Order Actinomycetales, Suborder Corynebacterineae, Family Mycobacteriaceae, Genus
Mycobacterium, Mycobacterium franklinii Ramos et al. 2013.
Colonies are unpigmentated. Visible growth on solid media requires 3-5 days of
incubation at 25-37 ºC, optimum at 28 ºC. Can grow in the presence of 5% NaCl, p-
nitrobenzoate and picric acid.
Undetermined. Isolated from a patient with pulmonary disease.
Isolated from water. Susceptible to clarithromycin (most strains), amikacin, ciprofloxacin, moxifloxacin, doxycycline and minocycline.
Variable susceptibility to tobramycin and cefoxitin.
- Lourenco Nogueira C, Simmon KE, Chimara E, Cnockaert M, Carlos Palomino J, Martin A, Vandamme P, Brown-Elliott BA,
Wallace RJ, Cardoso Leao S. Mycobacterium franklinii sp. nov., a species closely related to members of the Mycobacterium
chelonae-Mycobacterium abscessus group. Int J Syst Evol Microbiol 2015; 65:2148-2153.
Positive results for thermostable catalase (68 ºC) and tellurite reduction.
Negative results for nitrate reduction, Tween 80 hydrolysis,
No utilization of mannitol or inositol.
Variable utilization of citrate as sole carbon source.
(c) Costin Stoica