Pseudomonas libanensis
Taxonomy
Morphology
Cultural charactristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae, Genus Pseudomonas,
Pseudomonas libanensis  
Dabboussi et al. 1999.
Gram-negative, nonspore-forming rods, motile by one polar flagellum. Cells produce
a fluorescent pigment on King B medium, but not phenazine pigments on King A
medium. Poly-beta-hydroxybutyrate is not accumulated as a carbon reserve material.
It is able to form levan from sucrose. Colonies on nutrient agar are smooth, circular
and non-pigmented. Non-haemolytic on blood agar.
Growth temperature ranges between 4 and 36 ºC; optimal at 30 ºC. Growth occurs in
the presence of 3% NaCl but not in 7 % NaCl.
Isolated from Lebanese spring waters.
Unknown.
  1. Dabboussi, F., Hamze, M., Elomari, M., Verhille, S., Baida, N., Izard, D., Leclerc, H. Pseudomonas libanensis sp. nov., a new
    specie isolated from Lebanese spring waters. Int J Syst Bacteriol 1999 49: 1091-1101.
Positive results for nitrates reduction, oxidase, catalase, arginine dihydrolase,
lecithinase, alkaline phosphatase, acid phosphatase, esterase C, leucine
arylamidase, hydrolysis of L-tyrosine, utilization of citrate, malonate, D-arabitol,
myo-inositol, L-arabitol, xylitol, D-mannitol, D-sorbitol, adonitol, erythritol, D-mannose, D-galactose, L-arabinose, D-xylose, ribose,  
D-glucosamine, ethanolamine, D-saccharate, mucate, 2-ketogluconate, protocatechuate, beta-hydroxybenzoate, 3-hydroxybutyrate,
D-glucuronate, D-galacturonate, itaconate & quinate.

Negative results for lipase, elastase, tetrathionate reductase, lysine decarboxylase, ornithine decarboxylase, achymotrypsin,
alpha-galactosidase, beta-galactosidase, beta-glucuronidase, alpha-glucosidase, alpha-mannosidase, alpha-fucosidase, esculin,  
Voges-Proskauer reaction, maltitol, sucrose, alpha-L-fucose, D-turanose, alpha-D-melibiose, D-raffinose, maltotriose, maltose,
D-cellobiose, beta-gentiobiose, palatinose, D-tagatose, alpha-lactose, lactulose, 1 - O-methyl-beta-galactopyranoside, 1 - O-methyl
alpha-galactopyranoside, 3-O-methyl-gamma-glycopyranose, 5-keto-D-gluconate, tricarballylate, phenylacetate, gentisate,
m-hydroxybenzoate, 5-aminovalerate, D-tartrate, benzoate, aesculin, trigonelline, histamine, tryptamine & inulin. The strains do not
denitrify.

Variable results for the utilization of: D-trehalose.
(c) Costin Stoica
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