Phylum Proteobacteria, Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae, Genus Pseudomonas,
Pseudomonas orientalis Dabboussi et al. 2002.
Gram-negative rods, motile by means of a single polar flagellum.
Colonies on nutrient agar are circular, smooth, and nonpigmented. Fluorescent
pigment is produced on King B agar. Optimum temperature 30 ºC. Growth occurs at 4
ºC. Grows on media: King B agar, Trypticase Soy Broth Agar, Nutrient Agar.
Isolated from spring water in Lebanon.
- Fouad Dabboussi, Monzer Hamze, Malika Elomari, Sophie Verhille, Nader Baida, Daniel Izard, and Henri Leclerc. Taxonomic study
of bacteria isolated from Lebanese spring waters: proposal for Pseudomonas cedrella sp. nov. and P. orientalis sp. nov. Research
in Microbiology Volume 150, Issue 5, June 1999, Pages 303-316.
- George M. Garrity, Julia A. Bell & Timothy Lilburn: Order IX Pseudomonadales Orla-Jensen 1921 In: Bergey’s Manual of Systematic
Bacteriology, Second edition,Vol two, part B, George M. Garrity (Editor-in-Chief), 2005, pp. 323-442.
Positive results for nitrate reduction to nitrite (no denitrification), cytochrome oxidase,
catalase, esterase-lipase, urease & arginine dihydrolase, assimilation of: D-xylose,
sucrose, adonitol, DL-alpha-amino-N-butyrate & trigonelline.
Levan is produced from sucrose.
Negative results for the assimilation of: D-lyxose, 5-Keto D-gluconate, i-erythritol,
benzoate, L-tryptophan, D-tartrate & meso-tartrate.
Variable results for lecithinase,gelatinase & assimilation of alpha-L-rhamnose.
(c) Costin Stoica