| Pseudomonas pisciculturae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas, Pseudomonas pisciculturae Duman et al. 2021.
Species description is based on a single isolate.
Genus Pseudomonas, Pseudomonas pisciculturae Duman et al. 2021.
Species description is based on a single isolate.
Gram-negative rods, 0.3-0.5 x 1.7-2.1 µm. Motile by lophotrichous flagellation.
Colonies on King B agar are round, flat, translucent and beige-coloured, with
regular margins, 2mm in diameter and the colour of the medium turns yellow after
growth for 2 days at 30 °C. Fluorescein pigment is produced, but pyocyanin is not.
The strain is gamma-haemolytic. Grows at 4-37 ºC, pH 7-10 and in the presence of
0-6% NaCl. Aerobic.
regular margins, 2mm in diameter and the colour of the medium turns yellow after
growth for 2 days at 30 °C. Fluorescein pigment is produced, but pyocyanin is not.
The strain is gamma-haemolytic. Grows at 4-37 ºC, pH 7-10 and in the presence of
0-6% NaCl. Aerobic.
Isolated from farm cultured rainbow trout (Oncorhynchus mykiss) in Turkey.
Isolated from a 0.5-1.0 g fry of rainbow trout displaying loss of appetite, anaemia and dorsal fin ulceration.
- Duman M, Mulet M, Altun S, Saticioglu IB, Gomila M, Lalucat J, Garcia-Valdes E. Pseudomonas piscium sp. nov., Pseudomonas
pisciculturae sp. nov., Pseudomonas mucoides sp. nov. and Pseudomonas neuropathica sp. nov. isolated from rainbow trout. Int J
Syst Evol Microbiol 2019; 71:0.
Positive results for catalase, arginine dihydrolase, aesculin hydrolysis, indole production and oxidase.
Can assimilate (API 20NE): glucose, arabinose, mannose, mannitol, N-acetyl-D-glucosamine, gluconate, caprate, malate, citrate and
phenylacetate.
Can utilize as sole carbon source (Biolog GEN III): alpha-D-glucose, D-sorbitol, p-hydroxy-phenylacetic acid, D-mannose, D-mannitol,
D-galacturonic acid, gamma-aminobutyric acid, D-fructose, D-arabitol, L-alanine, D-galactonic acid lactone, trehalose, D-galactose,
myo-inositol, L-arginine, D-gluconic acid, L-lactic acid, beta-hydroxy-D,L-butyric acid, glycogen, L-aspartic acid, D-glucuronic acid,
citric acid, N-acetyl-D-glucosamine, L-glutamic acid, alpha-keto glutaric acid, L-histidine, mucic acid, D- and L-malic acid, propionic
acid, L-rhamnose, L-pyroglutamic acid, quinic acid, acetic acid, inosine, L-serine, D-saccharic acid, glycyl-L-proline (weakly),
alpha-hydroxy butyric acid (weakly), alpha-keto-butyric acid (weakly), D-fucose (weakly), methyl pyruvate (weakly), bromo-succinic acid
(weakly) and formic acid (weakly). Other tests produce negative results.
Negative results for gelatin hydrolysis and nitrate reduction.
No assimilation of adipate.
No utilization of: Tween 40, sucrose, D-fructose-6-phosphate and D-serine.
Can assimilate (API 20NE): glucose, arabinose, mannose, mannitol, N-acetyl-D-glucosamine, gluconate, caprate, malate, citrate and
phenylacetate.
Can utilize as sole carbon source (Biolog GEN III): alpha-D-glucose, D-sorbitol, p-hydroxy-phenylacetic acid, D-mannose, D-mannitol,
D-galacturonic acid, gamma-aminobutyric acid, D-fructose, D-arabitol, L-alanine, D-galactonic acid lactone, trehalose, D-galactose,
myo-inositol, L-arginine, D-gluconic acid, L-lactic acid, beta-hydroxy-D,L-butyric acid, glycogen, L-aspartic acid, D-glucuronic acid,
citric acid, N-acetyl-D-glucosamine, L-glutamic acid, alpha-keto glutaric acid, L-histidine, mucic acid, D- and L-malic acid, propionic
acid, L-rhamnose, L-pyroglutamic acid, quinic acid, acetic acid, inosine, L-serine, D-saccharic acid, glycyl-L-proline (weakly),
alpha-hydroxy butyric acid (weakly), alpha-keto-butyric acid (weakly), D-fucose (weakly), methyl pyruvate (weakly), bromo-succinic acid
(weakly) and formic acid (weakly). Other tests produce negative results.
Negative results for gelatin hydrolysis and nitrate reduction.
No assimilation of adipate.
No utilization of: Tween 40, sucrose, D-fructose-6-phosphate and D-serine.
(c) Costin Stoica
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