| Pseudomonas gessardii |
Positive results for arginine dihydrolase, oxidase, catalase, levan production from
sucrose. Can produce esterases C5, C6, C8, C9 and C10.
Can utilize: L-arabitol, D-glucose, D-fructose, D-trehalose, D-ribose, L-arabitol, xylitol, glycerol, myo-inositol, D-mannitol, adonitol,
meso-erythritol, L-malate, cis-aconitate, citrate, 2-keto-D-gluconate, N-acetyl D-glucosamine, D-gluconate, protocatechuate, quinate,
betaine, putrescine, DL-alpha-amino-n-butyrate, adipate, DL-lactate, caprate, caprylate, succinate, fumarate, glutarate, DL-glycerate,
D-glucosamine, DL-beta-hydroxybutyrate, L-aspartate, L-glutamate, L-proline, D-alanine, L-alanine, L-serine, malonate, propionate, L-
tyrosine and 2-oxoglutarate.
Negative results for indole from tryptophan, H2S production in TSI, lysine decarboxylase, ornithine decarboxylase, elastase,
coagulase, beta-xylosidase (p-nitrophenyl beta-D-xylopyranoside test), phenylalanine deaminase, DNase, fibrinolysin, Voges-
Proskauer test and gelatin liquefaction, acid and alkaline phosphatase, alpha-D-galactosidase, beta-D-galactosidase, phospho-beta-
D-galactosidase, alpha-L-arabinosidase, alpha-D-glucosidase, beta-D-glucosidase, beta-D-galacturonohydrolase, beta-D-
glucuronidase, alpha-maltosidase, beta-maltosidase, N-acetyl-alpha-o-glucosaminidase, alpha-L-fucosidase, beta-D-fucosidase,
beta-L-fucosidase, beta-D-lactosidase, alpha-D-mannosidase, beta-D-mannosidase, alpha-D-xylosidase, beta-D-xylosidase,
esterase-C 18, N-benzoyl-leucine arylamidase, N-benzoyl-L-alanine-4-methoxy arylamidase, N-carboxybenzoxy-arginyl-4-methoxy
arylamidase and N-acetyl-glycyl-L-lysine arylamidase.
Not utilization of: starch o-nitrophenyl beta-D-galactopyranoside, L-sorbose, D-melibiose, sucrose, D-raffinose, maltotriose, maltose,
alpha-lactose, lactulose, 1 -O-methyl beta-galactopyranoside, 1-O-methyl alpha-galactopyranoside, D-cellobiose, beta-gentiobiose, 1-
0-methyl beta-D-glucopyranoside, aesculin, L-arabinose, D-xylose, palatinose, alpha-L-rhamnose, alpha-L-fucose, D-melezitose,
dulcitol, D-tagatose, maltitol, D-turanose, D-sorbitol, hydroxyquinoline beta-glucuronide, D-lyxose, 1 –O methyl alpha-D-
glicopyranoside, 3-O-methyl D-glucopyranose, D-saccharate, L-tartrate, D-tartrate, meso-tartrate, tricarballylate, D-glucuronate, D-
galacturonate, 5-keto-D-gluconate, L-tryptophan, phenylacetate, 3-phenylpropionate, m-coumarate, trigonelline, histamine and L-
histidine.
Variable reactions for urease, denitrification, lecithinase, assimilation of mucate, itaconate, benzoate, ethanolamine, D-galactose & D-
malate.
sucrose. Can produce esterases C5, C6, C8, C9 and C10.
Can utilize: L-arabitol, D-glucose, D-fructose, D-trehalose, D-ribose, L-arabitol, xylitol, glycerol, myo-inositol, D-mannitol, adonitol,
meso-erythritol, L-malate, cis-aconitate, citrate, 2-keto-D-gluconate, N-acetyl D-glucosamine, D-gluconate, protocatechuate, quinate,
betaine, putrescine, DL-alpha-amino-n-butyrate, adipate, DL-lactate, caprate, caprylate, succinate, fumarate, glutarate, DL-glycerate,
D-glucosamine, DL-beta-hydroxybutyrate, L-aspartate, L-glutamate, L-proline, D-alanine, L-alanine, L-serine, malonate, propionate, L-
tyrosine and 2-oxoglutarate.
Negative results for indole from tryptophan, H2S production in TSI, lysine decarboxylase, ornithine decarboxylase, elastase,
coagulase, beta-xylosidase (p-nitrophenyl beta-D-xylopyranoside test), phenylalanine deaminase, DNase, fibrinolysin, Voges-
Proskauer test and gelatin liquefaction, acid and alkaline phosphatase, alpha-D-galactosidase, beta-D-galactosidase, phospho-beta-
D-galactosidase, alpha-L-arabinosidase, alpha-D-glucosidase, beta-D-glucosidase, beta-D-galacturonohydrolase, beta-D-
glucuronidase, alpha-maltosidase, beta-maltosidase, N-acetyl-alpha-o-glucosaminidase, alpha-L-fucosidase, beta-D-fucosidase,
beta-L-fucosidase, beta-D-lactosidase, alpha-D-mannosidase, beta-D-mannosidase, alpha-D-xylosidase, beta-D-xylosidase,
esterase-C 18, N-benzoyl-leucine arylamidase, N-benzoyl-L-alanine-4-methoxy arylamidase, N-carboxybenzoxy-arginyl-4-methoxy
arylamidase and N-acetyl-glycyl-L-lysine arylamidase.
Not utilization of: starch o-nitrophenyl beta-D-galactopyranoside, L-sorbose, D-melibiose, sucrose, D-raffinose, maltotriose, maltose,
alpha-lactose, lactulose, 1 -O-methyl beta-galactopyranoside, 1-O-methyl alpha-galactopyranoside, D-cellobiose, beta-gentiobiose, 1-
0-methyl beta-D-glucopyranoside, aesculin, L-arabinose, D-xylose, palatinose, alpha-L-rhamnose, alpha-L-fucose, D-melezitose,
dulcitol, D-tagatose, maltitol, D-turanose, D-sorbitol, hydroxyquinoline beta-glucuronide, D-lyxose, 1 –O methyl alpha-D-
glicopyranoside, 3-O-methyl D-glucopyranose, D-saccharate, L-tartrate, D-tartrate, meso-tartrate, tricarballylate, D-glucuronate, D-
galacturonate, 5-keto-D-gluconate, L-tryptophan, phenylacetate, 3-phenylpropionate, m-coumarate, trigonelline, histamine and L-
histidine.
Variable reactions for urease, denitrification, lecithinase, assimilation of mucate, itaconate, benzoate, ethanolamine, D-galactose & D-
malate.
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Gram-negative rods, motile by one polar flagellum.
Pyoverdin is produced on King B medium and on S1 medium. No phenazine
pigments are observed on King A medium. Non-haemolytic. Strictly aerobic, growth
temperature 4-35 ºC. No growth at 41 ºC. Media: Nutritive agar, Trypticase Soy Agar,
MacConkey agar, and King’s medium. Significant growth is observed only at low NaCl
concentrations (up to 0.8 %) and not at 5 or 7 %.
pigments are observed on King A medium. Non-haemolytic. Strictly aerobic, growth
temperature 4-35 ºC. No growth at 41 ºC. Media: Nutritive agar, Trypticase Soy Agar,
MacConkey agar, and King’s medium. Significant growth is observed only at low NaCl
concentrations (up to 0.8 %) and not at 5 or 7 %.
Isolated from mineral waters.
Unknown (none).
- Verhille S., Baida N., Dabboussi F., Hamze M., Izard D. & Leclerc H.: Pseudomonas gessardii sp. nov. and Pseudomonas migulae
sp. nov., two new species isolated from natural mineral waters. Int. J. Syst. Bacteriol., 1999, 49, 1559-1572. - Elena P. Ivanova, Nataliya M. Gorshkova, Tomoo Sawabe, Karin Hayashi, Nataliya I Kalinovskaya, Anatolii M. Lysenko, Natalie V.
Zhukova, Dan V. Nicolau, Tatyana A. Kuznetsova, Valery V. Mikhailov, and Richard Christen: Pseudomonas extremorientalis sp.
nov., isolated from a drinking water reservoir. Int J Syst Evol Microbiol November 2002 52:2113-20. - Van Den Beld, M. J., Reinders, E., Notermans, D. W. and Reubsaet, F. A. 2016. Possible misidentification of species in the
Pseudomonas fluorescens lineage as Burkholderia pseudomallei and Francisella tularensis, and emended descriptions of
Pseudomonas brenneri, Pseudomonas gessardii and Pseudomonas proteolytica. Int. J. Syst. Evol. Microbiol., 66, 3420-3425. - von Neubeck M, Huptas C, Gluck C, Krewinkel M, Stoeckel M, Stressler T, Fischer L, Hinrichs J, Scherer S, Wenning M.
Pseudomonas lactis sp. nov. and Pseudomonas paralactis sp. nov., isolated from bovine raw milk. Int J Syst Evol Microbiol 2017;
67:1656-1664. - Lick S, Krockel L, Wibberg D, Winkler A, Blom J, Bantleon A, Goesmann A, Kalinowski J. Pseudomonas carnis sp. nov., isolated
from meat. Int J Syst Evol Microbiol 2020; 70:1528-1540.
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas, Pseudomonas gessardii Verhille et al. 1999
Genus Pseudomonas, Pseudomonas gessardii Verhille et al. 1999
(c) Costin Stoica
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