| Pseudomonas antarctica |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas, Pseudomonas antarctica Reddy et al. 2004.
Genus Pseudomonas, Pseudomonas antarctica Reddy et al. 2004.
Gram-negative, motile with polar flagella, rods.
On solid medium: circular, convex, smooth and translucent colonies with a diameter
of 1-2 mm. Aerobic, psychrophilic - growth temperature 4-30 ºC (optimum 22 ºC), 48
hours. Can tolerate 3% NaCl (w/v). Optimum pH = 7. Non-haemolytic. Grows on
media: Trypticase Soy Agar ± 5% sheep blood, Antarctic Bacterial Medium (0.5%
peptone, 0.2% yeast extract and 1.5% agar at pH 6.9)..
of 1-2 mm. Aerobic, psychrophilic - growth temperature 4-30 ºC (optimum 22 ºC), 48
hours. Can tolerate 3% NaCl (w/v). Optimum pH = 7. Non-haemolytic. Grows on
media: Trypticase Soy Agar ± 5% sheep blood, Antarctic Bacterial Medium (0.5%
peptone, 0.2% yeast extract and 1.5% agar at pH 6.9)..
Isolated from cyanobacterial mat samples (water) that were collected from Antarctica.
Unknown. Not pathogenic to parsley. Negative for potato soft rot.
- Reddy GSN; Matsumoto GI; Schumann P; Stackebrandt E; Shivaji S.: Psychrophilic pseudomonads from Antarctica:
Pseudomonas antarctica sp. nov., Pseudomonas meridiana sp. nov. and Pseudomonas proteolytica sp. nov. Int J Syst Evol
Microbiol 54:713-719,20. - Sawada H, Fujikawa T, Osada S, Satou M. Pseudomonas petroselini sp. nov., a pathogen causing bacterial rot of parsley in
Japan. Int J Syst Evol Microbiol 2022; 72:5424. - 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.
Positive results for catalase, oxidase, urease, phosphatase, lipase (weak), nitrates reduction, acid production from: D-fructose,
D-galactose, D-glucose, D-mannose and D-mannitol.
Can utilize acetate, adonitol, citrate, meso-erythritol, D-fructose, D-galactose, D-glucose, glycerol, meso-inositol, lactic acid,
D-mannose, D-mannitol, pyruvate, D-ribose, sorbitol, trehalose, L-alanine, L-arginine, L-glutamic acid, L-glutamine, L-lysine,
L-serine, L-tyrosine and L-tryptophan.
Negative results for arginine dihydrolase, cellulose hydrolysis, beta-galactosidase, gelatinase, ornithine decarboxylase, lysine
decarboxylase, indole production, methyl red, Voges-Proskauer test, esculin hydrolysis, starch hydrolysis, acid production from:
L-arabinose, lactose, L-rhamnose, sucrose and D-xylose.
Cannot utilize: adipic acid, L-arabinose, D-cellobiose, cellulose, dextran, dulcitol, fumaric acid, inulin, lactose, D-maltose,
D-melibiose, melezitose, D-raffinose, L-rhamnose, D-sorbose, sucrose, succinic acid, thioglycollate, D-xylose, L-aspartic acid,
L-aspargine, L-cysteine, L-glycine, L-histidine, L-leucine, L-isoleucine, L-methionine, L-proline, L-threonine and L-valine.
D-galactose, D-glucose, D-mannose and D-mannitol.
Can utilize acetate, adonitol, citrate, meso-erythritol, D-fructose, D-galactose, D-glucose, glycerol, meso-inositol, lactic acid,
D-mannose, D-mannitol, pyruvate, D-ribose, sorbitol, trehalose, L-alanine, L-arginine, L-glutamic acid, L-glutamine, L-lysine,
L-serine, L-tyrosine and L-tryptophan.
Negative results for arginine dihydrolase, cellulose hydrolysis, beta-galactosidase, gelatinase, ornithine decarboxylase, lysine
decarboxylase, indole production, methyl red, Voges-Proskauer test, esculin hydrolysis, starch hydrolysis, acid production from:
L-arabinose, lactose, L-rhamnose, sucrose and D-xylose.
Cannot utilize: adipic acid, L-arabinose, D-cellobiose, cellulose, dextran, dulcitol, fumaric acid, inulin, lactose, D-maltose,
D-melibiose, melezitose, D-raffinose, L-rhamnose, D-sorbose, sucrose, succinic acid, thioglycollate, D-xylose, L-aspartic acid,
L-aspargine, L-cysteine, L-glycine, L-histidine, L-leucine, L-isoleucine, L-methionine, L-proline, L-threonine and L-valine.
(c) Costin Stoica
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