| Pseudomonas neustonica |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas, Pseudomonas neustonica Jang et al. 2020.
Synonym: Neopseudomonas neustonica (Jang et al. 2020) Saati-Santamaria et al. 2021.
Genus Pseudomonas, Pseudomonas neustonica Jang et al. 2020.
Synonym: Neopseudomonas neustonica (Jang et al. 2020) Saati-Santamaria et al. 2021.
Gram-negative rods, 0.3-0.5 x 1.1-2.0 µm. Motile by means of one polar flagellum.
Non-spore-forming.
Non-spore-forming.
Colonies are white, circular, smooth and convex with 0.3–0.5 mm in diameter after 3
day incubation on TSA with 3% NaCl at 30 ºC. Grows at 10-40 ºC (optimum, 30 ºC), at
pH 5.0-8.5 (optimum pH 7.0-7.5) and in the presence of 0.5-10% (w/v) NaCl (optimum
3%). Strictly aerobic.
day incubation on TSA with 3% NaCl at 30 ºC. Grows at 10-40 ºC (optimum, 30 ºC), at
pH 5.0-8.5 (optimum pH 7.0-7.5) and in the presence of 0.5-10% (w/v) NaCl (optimum
3%). Strictly aerobic.
Isolated from the surface microlayer in coastal seawater of the Ross Sea (Antarctica).
Undetermined.
- Jang GI, Lee I, Ha TT, Yoon SJ, Hwang YJ, Yi H, Yun S, Lee WS, Hwang CY. Pseudomonas neustonica sp. nov., isolated from the
sea surface microlayer of the Ross Sea (Antarctica). Int J Syst Evol Microbiol 2020; 70:3832-3838.
Positive results for acid and alkaline phosphatase, casein hydrolysis, esterase (C4), esterase lipase (C8), leucine arylamidase,
naphthoL-AS-BI-phosphohydrolasecatalase, oxidase, starch hydrolysis, Tweens 20, 40, 60 and 80 hydrolysis, acid production from
aesculin and potassium 2-ketogluconate.
Can assimilate of caprate and adipate.
Can utilize as sole carbon source: cellobiose, D-fructose, lactose, D-malic acid, D-mannose, melibiose, L-proline, L-rhamnose and
sucrose.
Negative results for arginine dihydrolase, cystine arylamidase, alpha-fucosidase, alpha- and beta-galactosidase,
beta-glucuronidase, alpha- and beta-glucosidase, N-acetyL-beta-glucosaminidase, indole production, gelatin hydrolysis, lipase
(C14), alpha-mannosidase, nitrate reduction, trypsin, alpha-chymotrypsin, valine arylamidase, hypoxanthine hydrolysis, xanthine
hydrolysis, acid production from: N-acetylglucosamine, D-adonitol, amygdalin, DL- arabinose, DL- arabitol, arbutin, cellobiose,
dulcitol, erythritol, D-fructose, DL-fucose, D-galactose, gentiobiose, D-glucose, glycerol, glycogen, inositol, inulin, lactose, D-lyxose,
maltose, D-mannitol, D- mannose, melezitose, melibiose, methyl alpha-D-glucopyranoside, methyl alpha-D-mannopyranoside,
methyl beta-D-xylopyranoside, potassium 5-ketogluconate, potassium gluconate, raffinose, L-rhamnose, D-ribose, salicin, D-sorbitol,
L-sorbose, starch, sucrose, D-tagatose, trehalose, turanose, xylitol and DL-xylose.
No assimilation of: citrate, D-glucose, D-mannitol, N-acetylglucosamine, maltose, gluconate and phenylacetate.
No utilization of: L-ascorbate, citric acid, myo-inositol, D-lyxose, raffinose, D-sorbitol and trehalose.
Variable results for aesculin hydrolysis, urease activity, utilization of: D-mannose, malate, glucose and L-arabinose.
naphthoL-AS-BI-phosphohydrolasecatalase, oxidase, starch hydrolysis, Tweens 20, 40, 60 and 80 hydrolysis, acid production from
aesculin and potassium 2-ketogluconate.
Can assimilate of caprate and adipate.
Can utilize as sole carbon source: cellobiose, D-fructose, lactose, D-malic acid, D-mannose, melibiose, L-proline, L-rhamnose and
sucrose.
Negative results for arginine dihydrolase, cystine arylamidase, alpha-fucosidase, alpha- and beta-galactosidase,
beta-glucuronidase, alpha- and beta-glucosidase, N-acetyL-beta-glucosaminidase, indole production, gelatin hydrolysis, lipase
(C14), alpha-mannosidase, nitrate reduction, trypsin, alpha-chymotrypsin, valine arylamidase, hypoxanthine hydrolysis, xanthine
hydrolysis, acid production from: N-acetylglucosamine, D-adonitol, amygdalin, DL- arabinose, DL- arabitol, arbutin, cellobiose,
dulcitol, erythritol, D-fructose, DL-fucose, D-galactose, gentiobiose, D-glucose, glycerol, glycogen, inositol, inulin, lactose, D-lyxose,
maltose, D-mannitol, D- mannose, melezitose, melibiose, methyl alpha-D-glucopyranoside, methyl alpha-D-mannopyranoside,
methyl beta-D-xylopyranoside, potassium 5-ketogluconate, potassium gluconate, raffinose, L-rhamnose, D-ribose, salicin, D-sorbitol,
L-sorbose, starch, sucrose, D-tagatose, trehalose, turanose, xylitol and DL-xylose.
No assimilation of: citrate, D-glucose, D-mannitol, N-acetylglucosamine, maltose, gluconate and phenylacetate.
No utilization of: L-ascorbate, citric acid, myo-inositol, D-lyxose, raffinose, D-sorbitol and trehalose.
Variable results for aesculin hydrolysis, urease activity, utilization of: D-mannose, malate, glucose and L-arabinose.
(c) Costin Stoica
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