| Mycobacterium poriferae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinobacteria, Class Actinobacteria, Order Actinomycetales, Suborder Corynebacterineae, Family Mycobacteriaceae, Genus
Mycobacterium, Mycobacterium poriferae Padgitt and Moshier 1987.
Mycobacterium, Mycobacterium poriferae Padgitt and Moshier 1987.
Strongly acid-fast rods, 0.7-2.5 μm x 1.1-4.9 μm, which frequently appear coccoid.
Gram-positive. No branching or Y-shaped cells occur, but cells may become
enlarged on one end and display an ovoid, non-acid-fast body.
Gram-positive. No branching or Y-shaped cells occur, but cells may become
enlarged on one end and display an ovoid, non-acid-fast body.
Colonies are smooth, moist, shiny, and dome shaped with a near-translucent apron
which disappears on continued growth. Strains are scotochromogenic producing
a strongly orange coloration. Visible growth appears on various media in 4 days,
including Lowenstein-Jensen medium and Middlebrook 7H11 agar. Tolerate a pH
range of 5.0-8.5. Temperature range for growth is 20-37 ºC; optimal growth occurs at
28-30 ºC. No growth at 42 ºC. Growth occurs in the presence of 5.0% NaCl, but not on
MacConkey agar without crystal violet
which disappears on continued growth. Strains are scotochromogenic producing
a strongly orange coloration. Visible growth appears on various media in 4 days,
including Lowenstein-Jensen medium and Middlebrook 7H11 agar. Tolerate a pH
range of 5.0-8.5. Temperature range for growth is 20-37 ºC; optimal growth occurs at
28-30 ºC. No growth at 42 ºC. Growth occurs in the presence of 5.0% NaCl, but not on
MacConkey agar without crystal violet
Undetermined.
Isolated from cell suspensions of a marine sponge and human sputum. Susceptible to hydroxylamine (500 μg/ml). Resistant to
salicylate, picric acid, PAS, and TCH.
salicylate, picric acid, PAS, and TCH.
- Padgitt PJ, Moshier SE. Mycobacterium poriferae sp. nov., a scotochromogenic, rapidly growing species isolated from a marine
sponge. Int. J. Syst. Bacteriol. 1987; 37:186-191. - Ballester F, Pujol I, Alcaide F, et al. First human isolate of Mycobacterium poriferae in the sputum of a patient with chronic
bronchitis. J Clin Microbiol. 2011;49(8):3107-3108. doi:10.1128/JCM.00436-11. - 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. - Shojaei H, Daley C, Gitti Z, Hashemi A, Heidarieh P, Moore ER, Naser AD, Russo C, van Ingen J, Tortoli E. Mycobacterium
iranicum sp. nov., a rapidly growing scotochromogenic species isolated from clinical specimens on three different continents. Int
J Syst Evol Microbiol 2013; 63:1383-1389.
Positive results for catalase, semiquantitative catalase test, heat-stable catalase (68 ºC), iron uptake, nicotinamidase,
pyrazinamidase, Tween hydrolysis (7 days), urease, acid production from glucose, mannitol, sucrose, D-xylose, and mannose.
Can utilize acetate, pyruvate, citrate, succinate, malate, benzoate, malonate, fumarate, glucose, galactose, trehalose, mannose,
D-xylose, mannitol, sorbitol, fructose, sucrose, ethanol, 1-propanol, propylene glycol, 1-butanol, 2,3-butylene glycol, and glycerol.
Negative results for arylsulfatase (3 days), acetamidase, allantoinase, benzamidase, isonicotinamidase, nitrate reductase,
succinamidase, niacin accumulation, acid production from trehalose, inositol, L-arabinose, galactose, lactose, L-rhamnose or
sorbitol.
No utilization of 1,3-butylene glycol, 1,4-butylene glycol, isobutanol, inositol, L-arabinose, or L-rhamnose.
pyrazinamidase, Tween hydrolysis (7 days), urease, acid production from glucose, mannitol, sucrose, D-xylose, and mannose.
Can utilize acetate, pyruvate, citrate, succinate, malate, benzoate, malonate, fumarate, glucose, galactose, trehalose, mannose,
D-xylose, mannitol, sorbitol, fructose, sucrose, ethanol, 1-propanol, propylene glycol, 1-butanol, 2,3-butylene glycol, and glycerol.
Negative results for arylsulfatase (3 days), acetamidase, allantoinase, benzamidase, isonicotinamidase, nitrate reductase,
succinamidase, niacin accumulation, acid production from trehalose, inositol, L-arabinose, galactose, lactose, L-rhamnose or
sorbitol.
No utilization of 1,3-butylene glycol, 1,4-butylene glycol, isobutanol, inositol, L-arabinose, or L-rhamnose.
(c) Costin Stoica
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