Pseudomonas argentinensis
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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Bacteria => Proteobacteria => Gammaproteobacteria => Pseudomonadales => Pseudomonadaceae => Pseudomonas =>
Pseudomonas argentinensis Peix et al. 2005
Gram negative, 1.3–1.9 / 0.5–0.7 µm; motile with a single polar flagellum, rods.
On solid medium: circular, convex, translucent , yellow colonies and 0.5–2.5 mm in
diameter / 48 h. Produce a water-insoluble yellow pigment and a fluorescent pigment.
Strictly aerobic, optimum growth temperature 28 °C. No growth at 4 or 41 °C.
Trypticase Soy Agar ± 5% sheep blood
Isolated from soil in Argentina.
Unknown (none).
- Peix A., Berge O., Rivas R., Abril A. & Velazquez E.: Pseudomonas argentinensis sp. nov., a novel yellow pigment-producing
bacterial species, isolated from rhizospheric soil in Córdoba, Argentina. Int. J. Syst. Evol. Microbiol., 2005, 55, 1107-1112.
Oxidase, catalase, nitrates reduction are positive. Assimilates L-arabinose, galactose,
glucose, D-fructose, mannose, mannitol, trehalose, D-fucose, beta-gentiobiose,
gluconate, 2-ketogluconate, caprate, malate and citrate.
Does not hydrolyse casein, aesculin or gelatin. Arginine dihydrolase, urease,
tryptophan deaminase and beta-galactosidase are not produced. Does not assimilate adipate, phenylacetate, D-arabinose,
L-fucose, inositol, adonitol, L-arabitol, L-lyxose, xylitol, L-xylose, L-sorbose, methyl beta-D-xyloside, methyl alpha-D-mannoside,
methyl a-D-glucoside, L-rhamnose, amygdalin, arbutin, salicin, cellobiose, lactose, sucrose,
inulin, melezitose, D-raffinose, starch, glycogen, erythritol, sorbitol, dulcitol, N-acetylglucosamine, maltose, D-turanose, D-tagatose &
5-ketogluconate.
Glycerol, D-ribose, D-xylose, melibiose & D-arabitol are variable.
(c) Costin Stoica