Phylum Actinobacteria, Class Actinobacteria, Order Actinomycetales, Suborder Corynebacterineae, Family Mycobacteriaceae, Genus
Mycobacterium, Mycobacterium wolinskyi Brown et al. 1999.
Previously known as Mycobacterium smegmatis group 3.
Acid-alcohol-fast rods. Gram-positive.
Colonies are smooth to mucoid,off-white- to cream-coloured on Middlebrook
7H10 and trypticase soy agar. Produces visible growth in 2-4 days. Growth occurs at
30, 35 and 45 ºC. Grows on MacConkey agar without crystal violet and in the presence
of 5% NaCl.
Undetermined. May be involved in post-traumatic wound infections, especially those following open fractures and with associated
Isolated from post-surgical facial abscess, sternal wound infection following open heart surgery, foot wound, infected arterial-venous
Susceptible to amikacin and sulfamethoxazole, intermediately susceptible to doxycycline and ciprofloxacin, variably susceptible to
cefmetazole, cefoxitin, chloramphenicol and clarithromycin. Resistant to tobramycin, isoniazid (10 µg/ml) and rifampin (25 µg/ml).
- Brown BA, Springer B, Steingrube VA, Wilson RW, Pfyffer GE, Garcia MJ, Menendez MC, Rodriguez-Salgado B, Jost KCJ, Chiu SH,
et al. Mycobacterium wolinskyi sp. nov. and Mycobacterium goodii sp. nov., two new rapidly growing species related to
Mycobacterium smegmatis and associated with human wound infections: a cooperative study from the International Working
Group on Mycobacterial Taxonomy. Int J Syst Bacteriol 1999; 49:1493-1511.
- Pennekamp, A., G.E. Pfyffer, J. Wuest, C.A. George and C. Ruef. 1997. Mycobacterium smegmatis infection in a healthy woman
following a facelift: case report and review of the literature. Ann. Plast. Surg.
- John G. Magee and Alan C. Ward 2012. Family III. Mycobacteriaceae Chester 1897, 63AL in Bergey’s Manual of Systematic
Bacteriology, Volume Five The Actinobacteria, Part A, Michael Goodfellow & al. (editors), 312-375.
Positive results for semiquantitative catalase test (45 mm foam), heat-stable catalase (68 ºC), iron uptake, and nitrate reductase.
Can utilize as sole carbon source D-glucitol (D-sorbitol), i-myo-inositol, D-mannitol and Lrhamnose, D-galactose (most strains) and
D-trehalose (most strains).
Negative results for arylsulfatase (3 days).
Variable results (50-63%) for the utilization of L-arabinose, citrate and D-xylose.
(c) Costin Stoica