| Pseudomonas oryzihabitans |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas, Pseudomonas oryzihabitans Kodama et al. 1985.
Synonyms: Flavimonas oryzihabitans Holmes et al. 1987; CDC group Ve-2
Genus Pseudomonas, Pseudomonas oryzihabitans Kodama et al. 1985.
Synonyms: Flavimonas oryzihabitans Holmes et al. 1987; CDC group Ve-2
Gram-negative, 0.5-0.8 by 1.5-3 μm rods with polar monotrichous flagella.
No diffusible fluorescent pigments produced. A water-insoluble yellow pigment is
produced. No haemolysis on blood agar. S-type (sometimes R), 1-2 mm diameter
after 24-48 h, yellow colonies. A pellicle is formed on the surface of 0.5% glucose
nutrient broth.
Strictly aerobic, optimal temperature 30-37 ºC, no growth at 5 and 41 ºC. Can grow on:
Trypticase Soy Agar ± 5% sheep blood, Trypticase Soy Broth, Mueller-Hinton agar,
Mac Conkey agar, Glucose nutrient agar, Simmons citrate agar.
produced. No haemolysis on blood agar. S-type (sometimes R), 1-2 mm diameter
after 24-48 h, yellow colonies. A pellicle is formed on the surface of 0.5% glucose
nutrient broth.
Strictly aerobic, optimal temperature 30-37 ºC, no growth at 5 and 41 ºC. Can grow on:
Trypticase Soy Agar ± 5% sheep blood, Trypticase Soy Broth, Mueller-Hinton agar,
Mac Conkey agar, Glucose nutrient agar, Simmons citrate agar.
Isolated from soil, water, plants & clinical specimens. Susceptible to ampicillin, carbenicillin, cefotaxime, chloramphenicol, colistin,
erythromycin, gentamicin, kanamycin, moxalactam, neomycin, polymyxin, streptomycin, and tetracycline.
Associated with the entomopathogenic nematode Steinernema abbasi.
erythromycin, gentamicin, kanamycin, moxalactam, neomycin, polymyxin, streptomycin, and tetracycline.
Associated with the entomopathogenic nematode Steinernema abbasi.
Can cause peritonitis, endophtalmitis, septicemia, bacteremia; particularly in immunocompromised patients. Infection is frequently
linked to implanted or indwelling materials or to invasive procedures.
Pathogen for rice (Oryza sativa). Reported as possible biological agent towards some plant root pathogens (Fusarium oxysporum f.
sp. lycopersici, Rhizoctonia solani) and the plant-parasitic nematodes Meloidogyne spp. and Globodera rostochiensis.
linked to implanted or indwelling materials or to invasive procedures.
Pathogen for rice (Oryza sativa). Reported as possible biological agent towards some plant root pathogens (Fusarium oxysporum f.
sp. lycopersici, Rhizoctonia solani) and the plant-parasitic nematodes Meloidogyne spp. and Globodera rostochiensis.
- Anzay Y., Kudo Y. & Oyaizu H.: The phylogeny of the genera Chryseomonas, Flavimonas, and Pseudomonas supports synonymy
of these three genera. Int. J. Syst. Bacteriol., 1997, 47, 249-251. - W Bendig, P J Mayes, D E Eyers, B Holmes, and T T Chin: Flavimonas oryzihabitans (Pseudomonas oryzihabitans; CDC group
Ve-2): an emerging pathogen in peritonitis related to continuous ambulatory peritoneal dialysis? J Clin Microbiol. 1989 January; 27
(1): 217–218. - A Vilas Iglesias & J Suárez Martínez: Bronchiectasis Due to Flavimonas Oryzihabitans in an Immunocompetent Patient. Arch
Bronconeumol 2004; 40: 384 – 385. - Kodama K., Kimura N. & Komagata K.: Two new species of Pseudomonas: P. oryzihabitans isolated from rice paddy and clinical
specimens and P. luteola isolated from clinical specimens. Int. J. Syst. Bacteriol., 1985, 35, 467-474. - Wang LT, Tai CJ, Wu YC, Chen YB, Lee FL, Wang SL. Pseudomonas taiwanensis sp. nov., isolated from soil. Int J Syst Evol
Microbiol 2010; 60:2094-2098. - Wang X, He SW, Guo HB, Thin KK, Gao JS, Wang Y, Zhang XX. Pseudomonas rhizoryzae sp. nov., isolated from rice. Int J Syst
Evol Microbiol 2020; 70:944-950.
Positive results for catalase, nitrate reduction to nitrite (succinate-nitrate medium), urease, acid production from L-arabinose,
D-xylose, D-glucose, D-fructose, D-mannose, D-galactose, maltose, trehalose, mannitol, sorbitol and inositol.
Can utilize itaconate, L-leucine, lactate, L-arabinose, D-xylose, D-ribose, D-glucose, D-fructose, D-mannose, D-galactose, maltose,
trehalose, mannitol, glycerol, acetate, pyruvate, malonate, DL-beta-n-hydroxybutyrate, fumarate, gluconate, 2-ketogluconate,
succinate, p-hydroxybenzoate and glutamate.
Negative results for arginine dihydrolase, acid and alkaline phosphatases, esculin hydrolysis, gelatin hydrolysis,
beta-galactosidase, H2S production, indole production, oxidase, lysine and ornithine decarboxylases, phenylalanine deaminase,
starch hydrolysis, Tween 80 hydrolysis, acid production from L-rhamnose, sucrose, lactose, cellobiose, adonitol, salicin and inulin.
No utilization of propionic acid, sucrose, lactose, raffinose, inulin, starch, phenol, o-hydroxybenzoate and m-hydroxybenzoate.
Gluconate is not oxidized.
D-xylose, D-glucose, D-fructose, D-mannose, D-galactose, maltose, trehalose, mannitol, sorbitol and inositol.
Can utilize itaconate, L-leucine, lactate, L-arabinose, D-xylose, D-ribose, D-glucose, D-fructose, D-mannose, D-galactose, maltose,
trehalose, mannitol, glycerol, acetate, pyruvate, malonate, DL-beta-n-hydroxybutyrate, fumarate, gluconate, 2-ketogluconate,
succinate, p-hydroxybenzoate and glutamate.
Negative results for arginine dihydrolase, acid and alkaline phosphatases, esculin hydrolysis, gelatin hydrolysis,
beta-galactosidase, H2S production, indole production, oxidase, lysine and ornithine decarboxylases, phenylalanine deaminase,
starch hydrolysis, Tween 80 hydrolysis, acid production from L-rhamnose, sucrose, lactose, cellobiose, adonitol, salicin and inulin.
No utilization of propionic acid, sucrose, lactose, raffinose, inulin, starch, phenol, o-hydroxybenzoate and m-hydroxybenzoate.
Gluconate is not oxidized.
(c) Costin Stoica
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