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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Bacteria => Proteobacteria => Gammaproteobacteria => Pseudomonadales => Pseudomonadaceae => Pseudomonas =>
Pseudomonas maltophilia Hugh and Ryschenkow 1961;
Moved to Xanthomonas maltophilia Swings et al. 1983; then to Stenotrophomonas maltophilia Palleroni and Bradbury 1993.
Synonyms: Stenotrophomonas africana, Pseudomonas hibiscicola, Pseudomonas beteli.
Pseudomonas maltophilia Hugh and Ryschenkow 1961;
Moved to Xanthomonas maltophilia Swings et al. 1983; then to Stenotrophomonas maltophilia Palleroni and Bradbury 1993.
Synonyms: Stenotrophomonas africana, Pseudomonas hibiscicola, Pseudomonas beteli.
Gram negative, 0.5-1.5 µm, motile with polar multitrichous flagella, slightly curved rods.
S-type colonies with β-haemolysis. Sometimes yellowish or greenish yellow (not
carotenoid). Ammonia odor can be produced by some strains on blood agar.
Strictly aerobic, optimal growth temperature 35 ºC. No growth at 4 or 41 ºC. Methionine
or cystine is required for growth.
Media: Nutritive agar, Trypticase Soy Agar, Mac Conkey agar.
carotenoid). Ammonia odor can be produced by some strains on blood agar.
Strictly aerobic, optimal growth temperature 35 ºC. No growth at 4 or 41 ºC. Methionine
or cystine is required for growth.
Media: Nutritive agar, Trypticase Soy Agar, Mac Conkey agar.
Isolated from clinical specimens, milk, frozen foods, soil (rhizosphere of some cultivated plants) & water.
Respiratory and urinary infections in humans and animals. Nosocomial infections in immunocompromised organisms. Sometimes
associated with cystic fibrosis.
associated with cystic fibrosis.
- Hugh R. & Ryschenkow E.: Pseudomonas maltophilia, an alcaligenes-like species. J. Gen. Microbiol., 1961, 26, 123-132.
- Palleroni N, Bradbury J (1993). "Stenotrophomonas, a new bacterial genus for Xanthomonas maltophilia (Hugh 1980) Swings
et al. 1983". Int J Syst Bacteriol 43 (3): 606–609. - Palleroni N. Genus IX. Stenotrophomonas . In: Bergey’s Manual of Systematic Bacteriology, Second edition,Vol two, part B,
George M. Garrity (Editor-in-Chief), pp. 107-115.
Lipolytic, nitrates negative. Utilize as carbon source glucose, mannose, sucrose,
trehalose, maltose, cellobiose, lactose, salicin, acetate, propionate, valerate,
malonate, succinate, fumarate, L-malate, lactate, citrate, alpha-ketoglutarate,
pyruvate, L&D-alanine, L-glutamate, L-histidine & L-proline .
Do not utilize ethanol, mannitol, amines & aromatic compounds. Do not accumulate
PHB as an intracellular reserve material.
trehalose, maltose, cellobiose, lactose, salicin, acetate, propionate, valerate,
malonate, succinate, fumarate, L-malate, lactate, citrate, alpha-ketoglutarate,
pyruvate, L&D-alanine, L-glutamate, L-histidine & L-proline .
Do not utilize ethanol, mannitol, amines & aromatic compounds. Do not accumulate
PHB as an intracellular reserve material.
(c) Costin Stoica
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