| Pseudomonas psychrotolerans |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), lass Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas, Pseudomonas psychrotolerans Hauser et al. 2004.
Genus Pseudomonas, Pseudomonas psychrotolerans Hauser et al. 2004.
Gram-negative, nonspore-forming rods, 0.5-0.7 x 1.5-1.8 μm. Motile.
Colonies are yellow, irregular, leathery, dry, wrinkled, form within 48 hours, with a
diameter of 1-5 mm. After 3-5 days, colonies can be up to 8 mm in diameter. No
fluorescent pigment producing.
Growth occurs under aerobic and microaerobic, but not anaerobic, conditions.
Media: PYE agar, TSA, R2A and MacConkey agar, PYE agar supplemented with 1-5%
(w/v) NaCl. Temperature 4-37 ºC. No growth occurs at 42 ºC.
diameter of 1-5 mm. After 3-5 days, colonies can be up to 8 mm in diameter. No
fluorescent pigment producing.
Growth occurs under aerobic and microaerobic, but not anaerobic, conditions.
Media: PYE agar, TSA, R2A and MacConkey agar, PYE agar supplemented with 1-5%
(w/v) NaCl. Temperature 4-37 ºC. No growth occurs at 42 ºC.
Isolated from water under a dog’s cage and from a strip of metal under the treatment table in an animal clinic in Austria.
Unknown.
- Hauser, Elke, Kampfer, Peter, Busse, Hans-Jurgen. Pseudomonas psychrotolerans sp. nov. Int J Syst Evol Microbiol 2004 54:
1633-1637 . - 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, acid production from: glucose, L-arabinose, D-xylose, melibiose, D-mannose, D-mannitol, inositol,
trehalose and D-arabitol.
Can assimilate: D-glucose, putrescine, fumarate, glutarate, DL-3-hydroxybutyrate, 4-aminobutyrate, DL-lactate, L-malate,
oxoglutarate, pyruvate, 4-hydroxybenzoate, L-alanine, L-proline, L-serine, D-trehalose, D-fructose, L-arabinose, D-galactose,
D-mannose, D-mannitol, D-xylose, i-inositol, D-sorbitol, gluconate, D-maltose, D-ribose, cis-aconitate, trans-aconitate, L-aspartate,
citrate, acetate, propionate, mesaconate and itaconate.
Negative results for aesculin hydrolysis, oxidase, starch hydrolysis, acid production from: lactose, sucrose, dulcitol, salicin, adonitol,
raffinose, cellobiose, methyl D-glucoside and erythritol.
No assimilation of beta-alanine, L-ornithine, phenylacetate, L-phenylalanine, N-acetyl-D-galactosamine, N-acetyl-D-glucosamine,
arbutin, D-cellobiose, alpha-D-melibiose, sucrose, salicin, adonitol, maltitol, adipate, azelate, L-tryptophan, 3-hydroxybenzoate and
suberate.
Variable results for assimilation of: L-histidine, L-leucine, L-rhamnose, acid production from: sorbitol, rhamnose and maltose.
trehalose and D-arabitol.
Can assimilate: D-glucose, putrescine, fumarate, glutarate, DL-3-hydroxybutyrate, 4-aminobutyrate, DL-lactate, L-malate,
oxoglutarate, pyruvate, 4-hydroxybenzoate, L-alanine, L-proline, L-serine, D-trehalose, D-fructose, L-arabinose, D-galactose,
D-mannose, D-mannitol, D-xylose, i-inositol, D-sorbitol, gluconate, D-maltose, D-ribose, cis-aconitate, trans-aconitate, L-aspartate,
citrate, acetate, propionate, mesaconate and itaconate.
Negative results for aesculin hydrolysis, oxidase, starch hydrolysis, acid production from: lactose, sucrose, dulcitol, salicin, adonitol,
raffinose, cellobiose, methyl D-glucoside and erythritol.
No assimilation of beta-alanine, L-ornithine, phenylacetate, L-phenylalanine, N-acetyl-D-galactosamine, N-acetyl-D-glucosamine,
arbutin, D-cellobiose, alpha-D-melibiose, sucrose, salicin, adonitol, maltitol, adipate, azelate, L-tryptophan, 3-hydroxybenzoate and
suberate.
Variable results for assimilation of: L-histidine, L-leucine, L-rhamnose, acid production from: sorbitol, rhamnose and maltose.
(c) Costin Stoica
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