Pseudomonas silesiensis
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas,
Pseudomonas silesiensis Kaminski et al. 2018.

Species description is based on a single isolate.
Gram-negative rods, 0.8 x 3.0 µm. Motile by a single polar flagellum. Accumulates
polyhydroxybutyrate (PHB). Non-spore-forming.
Colonies grown on LB medium are round shape, smooth surface and edges, and
exhibit a milky-yellow color. Fluorescence on King B medium is negative. Growth
occurs at a temperature of 4-35 ºC (optimum 15-30 ºC), at pH from 6 to 9 (optimum
7-8) and in 0-4% (w/v) NaCl. Aerobic.
Isolated from a subsurface flow constructed wetland of a wastewater treatment plant operated by pesticide producer in Poland.
Resistant to ampicillin up to the tested concentration of 400 µg, aztreonam, 1% sodium lactate, potassium tellurite, fusidic acid,
troleandomycin, rifamycin SV, vancomycin and sodium bromate. Susceptible to minocycline, lithium chloride and sodium butyrate.
Non-pathogen.
  1. Kaminski MA, Furmanczyk EM, Sobczak A, Dziembowski A, Lipinski L. Pseudomonas silesiensis sp. nov. strain A3T isolated from a
    biological pesticide sewage treatment plant and analysis of the complete genome sequence. Syst Appl Microbiol 2018; 41:13-22.
Description is based mostly on API 20 NE and Biolog GEN III MicroPlate results.

Positive results for nitrate reduction to nitrites and oxidase.
Can utilize as sole carbon source: D-glucose, L-arabinose, D-mannitol, potassium gluconate, capric acid,  D-trehalose, sucrose,
alpha-D-glucose, D-mannose, D-fructose, D-galactose, D-sorbitol, D-arabitol, glycerol, L-alanine, L-arginine, L-aspartic acid,
L-glutamic acid, L-histidine, L-pyroglutamic acid, L-serine, pectin, D-galacturonic acid, L-galactonic acid lactone, D-gluconic acid,
D-glucuronic acid, glucuronamide, mucic acid, quinic acid, D-saccharic acid, methyl pyruvate, L-lactic acid, citric acid,
alpha-ketoglutaric acid, D- and L-malic acid, bromo-succinic acid, Tween 40, gamma-amino-butyric acid, alpha-hydroxy-butyric acid,
beta-hydroxy-D,L-butyric acid, acetoacetic acid, propionic acid and acetic acid.
Weak utilization of D-fucose, inosine, D-serine, D-fructose-6-phosphate, D-serine, glycyl-L-proline, alpha-keto-butyric acid and formic
acid.

Negative results for arginine dihydrolase, beta-glucosidase, protease, beta-galactosidase, glucose fermentation, indole production,
nitrite reduction and urease.
No utilization of adipic acid, trisodium citrate, phenylacetic acid, D-cellobiose, gentiobiose, D-turanose, stachyose, D-raffinose,
alpha-D-lactose, D-melibose, alpha-methyl-D-glucoside, N-acetyl-D-glucosamine, N-acetyl-alpha-D-mannosamine,
N-acetyl-D-galactosamine, N-acetyl-neuraminic acid, 3-methyl glucose, L-rhamnose, myo-inositol, D-aspartic acid, gelatin and
D-lactic acid methyl ester.

Variable results for the utilization of D-maltose, dextrin, L-fucose, p-hydroxyphenyl acetic acid and D-glucose-6-phosphate.
(c) Costin Stoica
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