Pseudomonas  extremorientalis
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae, Genus Pseudomonas,
Pseudomonas extremorientalis
Ivanova et al. 2002.
Gram negative, 0.8-1 x 2.0-3.5 μm, motile rods, with a single polar flagellum.
Hemolytic, round, 3-6 mm, circular, regular, convex, smooth colonies. Fluorescent
pigment produced.Strictly aerobic, optimal temperature 30 ºC. No growth at 42 ºC.
Media: Nutritive agar, Trypticase Soy Agar, Mueller-Hinton agar, King’s B medium.
Do not accumulate poli-beta-hydroxybutyrate as intracellular carbon reserve.
Isolated from a drinking water reservoir.
Unknown (none).
  1. Elena P. Ivanova, Nataliya M. Gorshkova, Tomoo Sawabe, Karin Hayashi, Nataliya I Kalinovskaya, Anatolii M. Lysenko, Natalie V.
    Zhukova, Dan V. Nicolau, Tatyana A. Kuznetsova, Valery V. Mikhailov, and Richard Christen: Pseudomonas extremorientalis sp.
    nov., isolated from a drinking water reservoir. Int J Syst Evol Microbiol November 2002 52:2113-20.
Produce caseinase and lecithinase. Positive for oxidase, catalase and arginine
dihydrolase.
Oxidizes dextrin, glycogen, Tween 40, Tween 80, N-acetyl-d-glucosamine, adonitol,
L-arabinose, D-arabitol, cellobiose, D-fructose, D-galactose, alpha-lactose, lactulose,
maltose, D-mannitol, D-mannose, D-methyl glucoside,  sorbitol, sucrose, D-trehalose,
tyranose, xylitol, methyl pyruvate, mono-methyl succinate, acetic acid, cisaconitic acid,
citric acid, formic acid, D-galactonic acid D-galacturonic acid, D-gluconic acid, D-
glucosaminic acid, D-glucuronic acid, alpha-hydroxybutyric acid, beta-hydroxybutyric acid,
gamma-hydroxybutyric acid, itaconic acid, 2-oxobutyric acid, 2-oxoglutaric acid, 2-oxovaleric acid, DL-lactic acid, malonic acid,
propionic acid, quinic acid, D-saccharic acid, sebacic acid, succinic acid, bromosuccinic acid, succinamic acid, glucuronamide,
alaninamide, D-alanine, L-alanine, L-alanyl-glycine, L-asparagine, L-aspartic acid, L-glutamic acid,  L-histidine, L-leucine, L-proline,
L-pyroglutamic acid, D-serine, L-serine, L-threonine, DL-camitine, caminobutyric acid, urocanic acid, inosine, uridine, thymidine,
2-aminoethanol, glycerol, alpha-DL-glycerol phosphate, glucose 1-phosphate.

Doesn't assimilate m-inositol, D-glucose, melibiose, lactose, adonitol & rhamnose. Negative for lipase, gelatinase & amylase.
(c) Costin Stoica
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