Pseudomonas monteilii
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
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Phylum Proteobacteria, Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae, Genus Pseudomonas,
Pseudomonas monteilii  
Elomari et al. 1997.
Gram negative, nonsporogenous, motile rods.
Colonies on nutrient agar are circular and nonpigmented. They are nonhemolytic on
blood agar. A fluorescent pigment is produced. Poly-beta-hydroxybutyrate is not
accumulated as a carbon reserve material.
Strictly aerobic, optimal growth temperature 30 ºC. Growth occurs in the presence of
3% NaCl but not in the presence of 5 or 7% NaCl. No growth at 4 ºC or 41ºC. Media:
Trypticase Soy Agar  ± 5% sheep blood, King medium A & B.
Isolated from human clinical samples (placenta, stool, bile, biological fluid, bronchial aspirate, urine & pleural fluid).
Unknown, possible opportunistic pathogen.
  1. Elomari, Malika, Coroler, Loic, Verhille, Sophie, Izard, Daniel, Leclerc, Henri. Pseudomonas monteilii sp. nov., Isolated from
    Clinical Specimens. Int J Syst Bacteriol 1997 47: 846-852.
  2. George M. Garrity, Julia A. Bell & Timothy Lilburn: Order IX Pseudomonadales Orla-Jensen 1921 In:  Bergey’s Manual of
    Systematic Bacteriology, Second edition,Vol two, part B, George M. Garrity (Editor-in-Chief), 2005,  pp. 323-442.
P. monteilii is very similar to P. putida, but these two species can be differentiated by
assimilation of inositol, L-tartrate, D-tartrate, o-hydroxybenzoate, m-hydroxybenzoate,
tryptamine, D-mandelate, acetamide, D-xylose, mannitol & mucate and by the presence
of glycyl-glycine arylamidase, L-glutamine arylamidase & L-arginine arylamidase.

Positive results for arginine dihyrolase, catalase, cytochrome oxidase, utilization of: glycerol, D-ribose, inositol, D-glucose, D-fructose,
L-glutamate, L-arabinose, 2- ketogluconate, DL-glycerate, DL-3-hydroxybutyrate , gluconate, isobutyrate, L-proline, D-alanine,
L-alanine, L-leucine, L-isoleucine, L-norleucine, L-valine, L-aspartate, L-ornithine, L-lysine, L-arginine, betaine, beta-alanine,
sarcosine,  amylamine, ethanolamine, benzylamine, diaminobutane, spermine, aconitate, phenylacetate, succinate, fumarate,
L-malate, acetate, propionate, butyrate, n-valerate, isovalerate, n-caproate, heptanoate, caprylate, caprate, glutarate, DL-lactate,
puryvate, citrate, benzoate, & beta-hydroxybenzoate.

Negative results for lipase, elastase, lecithinase, tetrathionate reductase, indole,  coagulase, beta-xylosidase gelatin liquefaction,
esculin hydrolysis, starch hydrolysis, phenylalanine deamination, lysine decarboxylation, ornithine decarboxylation, Voges-Proskauer
reaction, o-nitrophenyl-beta-galactopyranoside, utilization of: L-xylose, alpha-methyl-D-mannoside, salicin, lactose, D-melibiose,
inulin, D-tagatose, D-fucose, erythritol, Darabinose, D-xylose, adonitol, beta-methylxyloside, D-galactose, D-mannose, L-sorbose,
L-rhamnose, dulcitol, sorbitol, alpha-methyl-D-glucoside, N-acetylglucosamine, amygdalin, arbutin, esculin, D-cellobiose, maltose,
sucrose, trehalose, D-melezitose, D-raffinose, starch, glucogen, xylitol, beta-gentobiose, D-turanose, D-lyxose, L-fucose, D-arabitol,
5-ketogluconate L-cysteine, D-tryptophan, L-methionine , L-tryptophan, DL-kynurenine, acetamide, tryptamine, glucosamine,
levulinate, iso-phthalate, oxalate, maleate, adipate, pimelate, suberate, azelate, sebacate, D-tartrate, L-tartrate, meso-tartrate, citrate,
mesaconate, O-hydroxybenzoate, m-hydroxybenzoate, D-mandelate, L-mandelate, phthalate, terephthalate, glycerate, oxalate,
L-arabitol,
mannitol, glycolate, citraconate, itaconate & mucate.
(c) Costin Stoica
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