Pseudomonas grimontii
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas,
Pseudomonas grimontii  Baïda et al. 2002.

Synonym: "fluorescent Pseudomonas group 97-514".
Gram-negative, rod-shaped and motile by means of a single polar flagellum. No
poly-beta-hydroxybutyrate accumulation.
Colonies are smooth on nutrient agar, circular, nonpigmented and hemolytic (98%of
strains) when grown on blood agar. Produce a fluorescent pigment on both King B &
S1 media. Can grow at low salt concentrations (0.8%) but not at high salt
concentrations (5 or 7%).
Isolated from natural mineral water.
Unknown.
  1. Baida N., Yazourh A., Singer E. & Izard D.: Pseudomonas grimontii sp. nov. Int. J. Syst. Evol. Microbiol., 2002, 52, 1497-1503.
  2. Sarah E. Burr, Stefanie Gobeli, Peter Kuhnert, Elinor Goldschmidt-Clermont, and Joachim Frey: Pseudomonas chlororaphis
    subsp. piscium subsp. nov., isolated from freshwater fish. Int J Syst Evol Microbiol December 2010 60:2753-2757.
  3. Duman M, Mulet M, Saticioglu IB, Altun S, Gomila M, Lalucat J, Garcia-Valdes E. Pseudomonas sivasensis sp. nov. isolated from
    farm fisheries in Turkey. Syst Appl Microbiol 2020; 43:126103.
  4. Pavlov MS, Lira F, Martinez JL, Olivares-Pacheco J, Marshall SH. Pseudomonas fildesensis sp. nov., a psychrotolerant bacterium
    isolated from Antarctic soil of King George Island, South Shetland Islands. Int J Syst Evol Microbiol 2020; 70:3255-3263.
  5. Saticioglu, I. B., Mulet, M., Duman, M., Altun, S., Gomila, M., Lalucat, J., & Garcia-Valdes, E. (2022). First occurrence and whole-
    genome comparison of Pseudomonas haemolytica isolated in farmed rainbow trout. Aquaculture Research, 53, 4472–4486. https:
    //doi.org/10.1111/are.15944.
  6. Tambong JT, Xu R, Chi SI, Birugu I, Bachelet S, Hutter C, Duceppe MO, Briere S. Pseudomonas quebecensis sp. nov., a bacterium
    isolated from root-zone soil of a native legume, Amphicarpaea bracteata (L.) Fernald, in Quebec, Canada. Int J Syst Evol Microbiol
    2023; 73:5890.
Positive for arginine dihydrolase, acid and alkaline phosphatase, esterase C4, esculin hydrolysis, esterase lipase C, leucine
arylamidase, tributyrin esterase (93%of strains), catalase, oxidase, nitrates reduction to nitrite and acid production from starch.
Can utilize D-ribose, D-xylose, L-rhamnose, D-mannose, D-mannitol, trehalose, mucate, malonate, alpha-aminobutyrate,
meso-erythritol, D-sorbitol, myo-inositol, adonitol, itaconate, alpha-D-glucose, beta-D-fructose, D-galactose, L-arabinose, sucrose,
D-arabitol, glycerol, D-glucosamine, D-saccharate, L-malate, cisaconitate, citrate, D-glucuronate, D-galacturonate, 2- and
5-ketogluconate, N-acetyl-D-glucosamine, D-gluconate, protocatechuate, p-hydroxybenzoate, quinate, betaine, putrescine, DL-lactate,
caprate, caprylate, succinate, fumarate, glutarate, DL-glycerate, 3-hydroxybutyrate, L-aspartate, L-glutamate, L-proline, alanine, L-serine,
acetate, propionate, L-tyrosine and 2-oxoglutarate.

Negative for H
2S production, indole production, lysine decarboxylase, ornithine decarboxylase, trypsin, alpha-chymotrypsin, urease,
alpha- and beta-galactosidase, alpha- and beta-glucosidase, N-acetyl-beta-glucosaminidase, beta-glucuronidase,
alpha-mannosidase, alpha-fucosidase, DNase, coagulase, tetrathionate reductase (95% ofstrains), elastase,  Tween esterase,
fibrinolysis, acetyl-methylcarbinol (acetoin) and acid production from D-glucose.
Negative for the utilization of adipate, L-histidine, L-tryptophan, histamine, tryptamine, L-sorbose, alpha-D-melibiose, maltotriose,
D-raffinose, maltose, alpha-lactose, lactulose, 1-O-methyl beta-galactopyranoside, 1-O-methyl alpha-galactopyranoside, D-cellobiose,
beta-gentiobiose, 1-O-methyl beta-D-glucopyranoside, palatinose, alpha-L-fucose, D-melezitose, L-arabitol, xylitol, dulcitol, D-tagatose,
maltitol, D-turanose, hydroxyquinoline beta glucuronide, 1-O-methyl alpha-D-glucopyranoside, 3-Omethyl D-glucopyranose, L-tartrate,
trans-aconitate, tricarballylate, phenylacetate, gentisate, 3-phenylpropionate and m-coumarate.
(c) Costin Stoica
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