Phylum Proteobacteria, Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae, Genus Pseudomonas,
=> Pseudomonas cedrina subsp. cedrina Dabboussi et al. 2002 emend. Behrendt et al. 2009.
=> Pseudomonas cedrina subsp. fulgida Behrendt et al. 2009.
Historical synonym: Pseudomonas cedrella Dabboussi et al. 2002.
Gram negative rods, motile by means of a single polar flagellum.
Colonies on nutrient agar are circular, smooth, and non-pigmented. Fluorescent
pigment is produced on King B agar. No hemolysis on blood agar.Optimum
temperature 21 - 28 ºC. Growth occurs at 4 ºC, but not at 41ºC. Growth media: King B
agar, Trypticase Soy Broth Agar, Nutrient Agar, Caso Agar. No growth occurs with 5%
NaCl in the medium.
Isolated from spring water in Lebanon (subsp. cedrina) & from phyllosphere of grasses (subsp. fulgida).
- 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.
Levan is produced from sucrose. Various carbon sources, particularly carbohydrates
and derivatives, and various enzymatic activities are reported.
Negative results for oxidase, catalase & arginine dihydrolase
Variable results for denitrificaton & gelatinase.
(c) Costin Stoica