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-methionine, L-proline, L-threonine & L-valine are not utilized.
Pseudomonas meridiana
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae, Genus Pseudomonas,
Pseudomonas meridiana
 Reddy et al. 2004 .
Gram-negative, motile with polar flagella, rods.
Colonies are 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.
Media: Trypticase Soy Agar   ± 5% sheep blood, King’s B agar. Antarctic Bacterial
Medium (0.5% peptone, 0.2% yeast extract & 1.5% agar at pH 6.9).
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.
Acid is produced from D-fructose, D-galactose, D-glucose, D-mannose and D-
mannitol, Acid is not produced from L-arabinose, lactose, L-rhamnose, sucrose & D-
xylose. Catalase, oxidase,lipase, urease (weak) & nitrates reduction are positive.
Phosphatase, beta-galactosidase, gelatinase, arginine dihydrolase, ornithine
decarboxylase, lysine decarboxylase, indole, methyl red,  Voges–Proskauer test,
esculin hydrolysis, starch hydrolysis & cellulose are negative
Can utilize acetate, adonitol, citrate, meso-erythritol, D-fructose, D-galactose, D-
glucose, L-arabinose, 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-tyrosine & L-tryptophan.
(c) Costin Stoica
Antibiogram
Encyclopedia
Culture media
Biochemical tests
Stainings
Images
Movies
Articles
Identification
Software
R E G N U M
PROKARYOTAE
Previous page
Back