Pseudomonas delhiensis
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae, Genus Pseudomonas,
Pseudomonas delhiensis  
Prakash et al. 2007.
Cells are Gram-negative, aerobic, nonspore-forming, rods (0.56 x 1.5 μm), motile by a
single polar flagellum.
Colonies are smooth and circular, muddy white with a greyish central spot (1.5 mm in
diameter on Nutrient agar and 2.0 mm on Luria-Bertani agar after 72 hours incubation
at 37 ºC). Strictly aerobic, growth temperature 4-41 ºC.
Can grow on: Nutritive agar, Luria-Bertani agar, MacConkey agar.
Isolated from the fly ash dumping site of a thermal power plant in Delhi, India.
Unknown (none).
  1. Om Prakash, Kirti Kumari, and Rup Lal. Pseudomonas delhiensis sp. nov., from a fly ash dumping site of a thermal power plant.
    Int J Syst Evol Microbiol, Mar 2007; 57: 527-531.
  2. Gupta, Sanjay Kumar, Kumari, Rekha, Prakash, Om, Lal, Rup. Pseudomonas panipatensis sp. nov., isolated from an oil-
    contaminated site. Int J Syst Evol Microbiol 2008 58: 1339-1345.
Has the capacity to degrade phenanthrene and citronellol.

Positive for catalase, DNase, oxidase, Tween 80 hydrolysis,
nitrate reductase, urease, acid production from: glycerol, lactose,
mannitol, glucose, dextrin, sucrose, L-arabinose, D-fructose, D-galactose, xylose, D-trehalose, cellobiose & sorbitol.
Can assimilate: L-proline, o-cresol, allantoin, pyruvate, citrate, adonitol, D-glucose, D-mannitol, D-ribose, D-xylose, D-fructose, L-
arabinose, glycerol, toluene, liquid paraffin, pyridine, heptane, cystine, L-histidine, L-serine, sorbose, triton X-100, trehalose,
propionate, sorbitol & acetate.

Negative results for amylase, esculin hydrolysis, gelatin hydrolysis, lecithinase, acid formation from L-serine, sucrose, adonitol,
sorbose, Triton X-100, a
lpha-naphthol, inositol, rhamnose, trehalose, propionate, acetate, pyridine, heptane, cystine, L-histidine, L-
arabinose, glycerol &
toluene.
No assimilation of inositol, pyrocatechal, aniline, para-nitrophenol, D-galactose & alpha-naphthol.
(c) Costin Stoica
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