Pseudomonas proteolytica
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
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Phylum Proteobacteria, Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae, Genus Pseudomonas,
Pseudomonas proteolytica
 Reddy et al. 2004.
Gram-negative rods, motile by a polar flagellum.
On solid medium: circular, convex, smooth and translucent colonies with a diameter
of 1-2 mm. Aerobic, psychrophilic: growth temperature 4-30 ºC (optimum 22 ºC), 48h.
Can tolerate 3% NaCl (w/v). Optimum pH = 7.
Grows on Antarctic Bacterial Medium (0.5% peptone, 0.2% yeast extract and 1.5%
agar at pH 6.9)
, MacConkey agar.
Isolated from cyanobacterial mat samples (water)  that were collected from Antarctica.
Unknown.
  1. Reddy GSN; Matsumoto GI; Schumann P; Stackebrandt E; Shivaji S.: Psychrophilic pseudomonads from Antarctica:
    Pseudomonas antarctica sp. nov., Pseudomonas meridiana sp. nov. and Pseudomonas proteolytica sp. nov. Int J Syst Evol
    Microbiol 54:713-719,20.
  2. Van Den Beld, M. J., Reinders, E., Notermans, D. W. and Reubsaet, F. A. 2016. Possible misidentification of species in the
    Pseudomonas fluorescens lineage as Burkholderia pseudomallei and Francisella tularensis, and emended descriptions of
    Pseudomonas brenneri, Pseudomonas gessardii and Pseudomonas proteolytica. Int. J. Syst. Evol. Microbiol., 66, 3420-3425.
Positive results for catalase, oxidase, lipase, gelatinase, lecithinase, nitrate reduction
to nitrite, acid production from: D-fructose, D-galactose, D-glucose, D-mannose & D-mannitol.
Utilizes as sole carbon sources: acetate, adonitol, citrate,
gluconate, caprate, adipate, malate, malonate, mesoerythritol, D-fructose, D-
galactose, D-glucose, glycerol, meso-inositol, lactic acid, D-mannose, D-mannitol, pyruvate, D-ribose, sorbitol, trehalose, L-alanine,
L-arginine, L-glutamic acid, L-glutamine, L-lysine, L-serine, L-methionine, L-phenylalanine, L-tyrosine & L-tryptophan.

Negative results for phosphatase, urease, beta-galactosidase, arginine dihydrolase, lysine decarboxylase, indole production,
H2S
production,
methyl red, Voges–Proskauer test, aesculin hydrolysis, starch hydrolysis, cellulose hydrolysis, acid production from L-
arabinose, lactose, L-rhamnose, sucrose & D-xylose.
Not utilized: D-cellobiose, cellulose, dextran, dulcitol, fumaric acid, inulin, lactose, D-maltose, D-melibiose, melezitose, D-raffinose, L-
rhamnose, D-sorbose, sucrose, succinic acid, thioglycollate, D-xylose, L-aspartic acid, L-aspargine, L-cysteine, L-glycine, L-histidine,
L-leucine, L-isoleucine, L-proline, L-threonine & L-valine.
(c) Costin Stoica
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