| Pseudomonas abyssi |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas, Pseudomonas abyssi Wei et al. 2018.
Genus Pseudomonas, Pseudomonas abyssi Wei et al. 2018.
Gram-negative rods 0.4-0.6 x 2.4-2.8 µm. Motile by one or two flagella.
Colonies are circular, smooth, non-pigmented, whitish and transparent when
incubated on Marine Agar. Grows in the presence of 0-18% (w/v; 3-7% optimum)
NaCl and at 4-45 ºC, pH 4-11. Strictly aerobic.
incubated on Marine Agar. Grows in the presence of 0-18% (w/v; 3-7% optimum)
NaCl and at 4-45 ºC, pH 4-11. Strictly aerobic.
Isolated from deep seawater in the Mariana trench.
Undetermined.
- Wei Y, Mao H, Xu Y, Zou W, Fang J, Blom J. Pseudomonas abyssi sp. nov., isolated from the abyssopelagic water of the Mariana
Trench. Int J Syst Evol Microbiol 2018; 68:2462-2467.
Description is based mostly on API 20 NE, API ZYM, Biolog GN2 results.
Positive results for acid and alkaline phosphatase, catalase, lipase (C14), leucine arylamidase, nitrate reduction, naphthol-AS-BI-
phosphohydrolase, oxidase, Tween 20 hydrolysis, urease and valine aminopeptidase.
Assimilates capric acid and trisodium citrate.
Can utilize as sole carbon source: methyl pyruvate, cis-aconitic acid, citric acid, beta-hydroxybutyric acid, D,L-lactic acid, propionic
acid, sebacic acid, L-alanine, L-asparagine, L-glutamic acid, L-proline, Tween 40 and Tween 80; weakly positive for
alpha-cyclodextrin, dextrin and glycogen (negative utilization of the other Biolog GN2 Microplate substrates).
Negative results for arginine dihydrolase, cystine arylamidase, alpha-chymotrypsin, aesculin hydrolysis, esterase (C4), esterase
lipase (C8), alpha-fucosidase, gelatin hydrolysis, alpha- and beta-galactosidase, beta-glucuronidase, alpha- and beta-glucosidase,
indole production, alpha-mannosidase, N-acetyl-beta-glucosaminidase, starch hydrolysis, trypsin, acid production from glucose.
No assimilation of: D-mannose, D-glucose, L-arabinose, D-mannitol, N-acetylglucosamine, maltose, potassium gluconate, adipic
acid, malic acid or phenylacetic acid.
No utilization of: raffinose, mono-methyl succinate, acetic acid, alpha-keto glutaric acid, alpha-keto valeric acid, succinic acid, bromo
succinic acid, succinamic acid, L-alaninamide, D-alanine, L-phenylalanine, gamma-amino butyric acid, putrescine and
glucose-6-phosphate.
Positive results for acid and alkaline phosphatase, catalase, lipase (C14), leucine arylamidase, nitrate reduction, naphthol-AS-BI-
phosphohydrolase, oxidase, Tween 20 hydrolysis, urease and valine aminopeptidase.
Assimilates capric acid and trisodium citrate.
Can utilize as sole carbon source: methyl pyruvate, cis-aconitic acid, citric acid, beta-hydroxybutyric acid, D,L-lactic acid, propionic
acid, sebacic acid, L-alanine, L-asparagine, L-glutamic acid, L-proline, Tween 40 and Tween 80; weakly positive for
alpha-cyclodextrin, dextrin and glycogen (negative utilization of the other Biolog GN2 Microplate substrates).
Negative results for arginine dihydrolase, cystine arylamidase, alpha-chymotrypsin, aesculin hydrolysis, esterase (C4), esterase
lipase (C8), alpha-fucosidase, gelatin hydrolysis, alpha- and beta-galactosidase, beta-glucuronidase, alpha- and beta-glucosidase,
indole production, alpha-mannosidase, N-acetyl-beta-glucosaminidase, starch hydrolysis, trypsin, acid production from glucose.
No assimilation of: D-mannose, D-glucose, L-arabinose, D-mannitol, N-acetylglucosamine, maltose, potassium gluconate, adipic
acid, malic acid or phenylacetic acid.
No utilization of: raffinose, mono-methyl succinate, acetic acid, alpha-keto glutaric acid, alpha-keto valeric acid, succinic acid, bromo
succinic acid, succinamic acid, L-alaninamide, D-alanine, L-phenylalanine, gamma-amino butyric acid, putrescine and
glucose-6-phosphate.
(c) Costin Stoica
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