Pseudomonas pachastrellae
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
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Pathogenicity
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Phylum Proteobacteria, Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae, Genus Pseudomonas,
Pseudomonas pachastrellae  Romanenko et al. 2005
Gram-negative rods, encapsulated, 1.4-1.6 x 0.4-0.5 μm, motile by means of a single  
flagellum.
Colonies on are circular, smooth, non-pigmented, whitish and transparent, 2-3 mm in
diameter, on TSA and MA. Fluorescent pigments and pyocyanin are not produced on
King B and King A medium, respectively. No hemolysis.
Aerobic. Growth is observed in 0-10% (w/v) NaCl
(optimally at 5% NaCl) and at
temperatures of 7-41 ºC; no growth occurs at 4 or 42 ºC; optimal temperature 28 ºC.
Grows on media: King A & B agar, Trypticase Soy Agar, Marine agar / broth.
Isolated from a marine sponge collected from the Philippine Sea at a water depth of 750 m.
Undetermined.
  1. Romanenko, Lyudmila A., Uchino, Masataka, Falsen, Enevold, Frolova, Galina M., Zhukova, Natalia V., Mikhailov, Valery V.
    Pseudomonas pachastrellae sp. nov., isolated from a marine sponge. Int J Syst Evol Microbiol 2005 55: 919-924.
Positive results for catalase, hydrolysis of Tween 40, esterase C4, esterase lipase C8, phosphoamidase, leucine arylamidase,
oxidase, utilization of: citrate, DL-lactate & L-tyrosine.

Negative results for denitrification, urease, lysine decarboxylase, ornithine decarboxylase, arginine dihydrolase, acetoin production, H
2S
production, indole production, aesculin hydrolysis, gelatin hydrolysis, starch hydrolysis, DNA hydrolysis, alkaline phosphatase, lipase
C14, valine arylamidase, cystine arylamidase, alpha-chymotrypsin, trypsin, acid phosphatase, alpha- and beta-galactosidase, beta-
glucuronidase, alpha- and beta-glucosidase, N-acetyl-beta-glucosaminidase, alpha- mannosidase, alpha-fucosidase, utilization of: L-
arabinose, phenylacetate, DL-norleucine, N-acetyl-glucosamine, D-glucose, maltose, xylose, fructose, D-mannose, sucrose, trehalose,
glycerol, D-mannitol, gluconate, malate, L-valine & L-lysine.
Acid is not produced from D-glucose, D-xylose, rhamnose, galactose, maltose, lactose & mannitol.

Production of acid from glycerol is a variable character.
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