Positive results for oxidase, catalase, denitrification, alkaline phosphatase, esterase
C4, esterase lipase C8, trypsin, phosphoamidase, leucine arylamidase, utilization of
fructose, citrate, DL-lactate, glucose, mannitol, maltose, D-gluconate & L-malate.

Negative results for urease, lysine decarboxylase, ornithine decarboxylase, acetoine production, H
2S production, indole production,
esculin hydrolysis DNA hydrolysis, arginine dihydrolase, Tween 80 hydrolysis, starch hydrolysis, casein hydrolysis, gelatin hydrolysis,
lipase C14, valine arylamidase, cystine arylamidase, alpha-chymotrypsin, acid phosphatase, alpha-galactosidase, beta-
galactosidase, beta-glucuronidase, alpha-glucosidase, beta-glucosidase, N-acetyl-beta-glucosaminidase, alpha-mannosidase,
alpha-fucosidase, utilization of L-arabinose, D-mannose, trehalose, sucrose, phenylacetate, DL-norleucin & N-acetylglucosamine.
Pseudomonas xanthomarina
Taxonomy
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Phylum Proteobacteria, Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae, Genus Pseudomonas,
Pseudomonas xanthomarina
 Romanenko et al. 2005.
Gram-negative, rod-shaped bacteria, 1.6-1.8 mm long and 0.2-0.3 μm in diameter,
motile by means of a single polar flagellum.
On nutrient agar media yellow-orange-pigmented smooth translucent colonies 3-5
mm in diameter are formed. Pyocyanin or fluorescent pigment production was not
observed on King A or King B media, respectively. The strain grows in 0–8% NaCl at
4
-37 ºC, does not grow in 10% NaCl or at 40-41 ºC.
Isolated from the ascidian Halocynthia aurantium from coastal waters of The Sea of Japan, Russia.
Resistant to benzylpenicillin 10 U.
Unknown.
  1. Lyudmila A. Romanenko, Masataka Uchino, Enevold Falsen, Anatoly M. Lysenko, Natalia V. Zhukova and Valery V. Mikhailov;
    Pseudomonas xanthomarina sp. nov., a novel bacterium isolated from marine ascidian”, The Journal of General and Applied
    Microbiology, Vol. 51, pp.65-71 (2005) .
(c) Costin Stoica
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