| Pseudomonas baetica |
Positive results for arginine dihydrolase, acid phosphatase, alkaline phosphatase
(most strains), esterase C4 (most strains), catalase, casein hydrolysis, Simmons’ citrate, esterase lipase (C8), gelatin hydrolysis,
denitrification, leucine arylamidase (most strains), oxidase, acid production from glucose (without gas production) and mannose.
Can utilize as sole carbon sources for growth (Biolog plates): mucic acid (weak), Tween 40 and 80, N-acetyl-D-glucosamine, L-
arabinose, D-arabitol, D-fructose, D-galactose, alpha-D-glucose, D-mannitol, D-mannose, methyl pyruvate, acetic acid, cis-aconitic
acid, citric acid, D-galactonic acid lactone, D-gluconic acid, beta-hydroxybutyric acid, alpha-ketoglutaric acid, DL-lactic acid, malonic
acid, propionic acid, quinic acid, D-saccharic acid, succinic acid, bromosuccinic acid, D- and L-alanine, L-alanyl glycine, L-asparagine,
L-aspartic acid, L-glutamic acid, L-leucine, L-proline, L-pyroglutamic acid, L-serine, gamma-aminobutyric acid, urocanic acid, inosine,
uridine and glycerol.
Negative results for esculin hydrolysis, alpha-fucosidase, alpha- and beta-galactosidase, beta-glucuronidase, alpha- and beta-
glucosidase, H2S production, indole production, lysine decarboxylase, lipase (C14), trypsin, alpha-chymotrypsin, naphthol-AS-BI-
phosphohydrolase, N-acetyl-beta-glucosaminidase, alpha-mannosidase, nitrate reduction to nitrite, ornithine decarboxylated, starch
hydrolysis, Tween 80, urease, valine arylamidase, Voges-Proskauer, acid production from mannitol, inositol, sorbitol, rhamnose,
sucrose, amygdalin, arabinose, lactose and salicin.
No utilization of 2-ketogluconate, phenylacetate, alpha-cyclodextrin, dextrin, glycogen, N-acetyl-D-galactosamine, adonitol, cellobiose, i-
erythritol, L-fucose, gentiobiose, myo-inositol, lactose, lactulose, maltose, melibiose, methyl beta-D-glucoside, D-psicose, raffinose, L-
rhamnose, D-sorbitol, sucrose, trehalose, turanose, xylitol, formic acid, D-galacturonic acid, D-glucosaminic acid, D-glucuronic acid,
alpha-hydroxybutyric acid, gamma-hydroxybutyric acid, p-hydroxyphenylacetic acid, itaconic acid, alpha-ketobutyric acid, alpha-
ketovaleric acid, sebacic acid, succinamic acid, glucuronamide, L-alaninamide, glycyl L-aspartic acid, glycyl L-glutamic acid, hydroxy-L-
proline, L-ornithine, L-phenylalanine, D-serine, DL-carnitine, thymidine, phenylethylamine, 2,3-butanediol, DL-alpha-glycerol
phosphate, glucose 1-phosphate and glucose 6-phosphate.
Variable acid production from melibiose and utilization of L-histidine, L-threonine, putrescine, 2-aminoethanol and monomethyl
succinate (type strain negative).
(most strains), esterase C4 (most strains), catalase, casein hydrolysis, Simmons’ citrate, esterase lipase (C8), gelatin hydrolysis,
denitrification, leucine arylamidase (most strains), oxidase, acid production from glucose (without gas production) and mannose.
Can utilize as sole carbon sources for growth (Biolog plates): mucic acid (weak), Tween 40 and 80, N-acetyl-D-glucosamine, L-
arabinose, D-arabitol, D-fructose, D-galactose, alpha-D-glucose, D-mannitol, D-mannose, methyl pyruvate, acetic acid, cis-aconitic
acid, citric acid, D-galactonic acid lactone, D-gluconic acid, beta-hydroxybutyric acid, alpha-ketoglutaric acid, DL-lactic acid, malonic
acid, propionic acid, quinic acid, D-saccharic acid, succinic acid, bromosuccinic acid, D- and L-alanine, L-alanyl glycine, L-asparagine,
L-aspartic acid, L-glutamic acid, L-leucine, L-proline, L-pyroglutamic acid, L-serine, gamma-aminobutyric acid, urocanic acid, inosine,
uridine and glycerol.
Negative results for esculin hydrolysis, alpha-fucosidase, alpha- and beta-galactosidase, beta-glucuronidase, alpha- and beta-
glucosidase, H2S production, indole production, lysine decarboxylase, lipase (C14), trypsin, alpha-chymotrypsin, naphthol-AS-BI-
phosphohydrolase, N-acetyl-beta-glucosaminidase, alpha-mannosidase, nitrate reduction to nitrite, ornithine decarboxylated, starch
hydrolysis, Tween 80, urease, valine arylamidase, Voges-Proskauer, acid production from mannitol, inositol, sorbitol, rhamnose,
sucrose, amygdalin, arabinose, lactose and salicin.
No utilization of 2-ketogluconate, phenylacetate, alpha-cyclodextrin, dextrin, glycogen, N-acetyl-D-galactosamine, adonitol, cellobiose, i-
erythritol, L-fucose, gentiobiose, myo-inositol, lactose, lactulose, maltose, melibiose, methyl beta-D-glucoside, D-psicose, raffinose, L-
rhamnose, D-sorbitol, sucrose, trehalose, turanose, xylitol, formic acid, D-galacturonic acid, D-glucosaminic acid, D-glucuronic acid,
alpha-hydroxybutyric acid, gamma-hydroxybutyric acid, p-hydroxyphenylacetic acid, itaconic acid, alpha-ketobutyric acid, alpha-
ketovaleric acid, sebacic acid, succinamic acid, glucuronamide, L-alaninamide, glycyl L-aspartic acid, glycyl L-glutamic acid, hydroxy-L-
proline, L-ornithine, L-phenylalanine, D-serine, DL-carnitine, thymidine, phenylethylamine, 2,3-butanediol, DL-alpha-glycerol
phosphate, glucose 1-phosphate and glucose 6-phosphate.
Variable acid production from melibiose and utilization of L-histidine, L-threonine, putrescine, 2-aminoethanol and monomethyl
succinate (type strain negative).
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas, Pseudomonas baetica Lopez et al. 2012.
Genus Pseudomonas, Pseudomonas baetica Lopez et al. 2012.
Gram-negative, large irregular rods. Motile.
Colonies on TSA are small (up to approx. 0.5 mm in diameter after 48 h of
incubation), round and whitish. Haemolytic on blood agar. Fluorescein pigment is
produced, but pyocyanin is not. Growth occurs at 4-30 ºC, pH 6-9 and in the presence
of 0-6 % NaCl. Does not grow on TCBS agar.
incubation), round and whitish. Haemolytic on blood agar. Fluorescein pigment is
produced, but pyocyanin is not. Growth occurs at 4-30 ºC, pH 6-9 and in the presence
of 0-6 % NaCl. Does not grow on TCBS agar.
Isolated in 2006 from the liver of a diseased wedge sole (Dicologlossa cuneata) on the south-west coast of Spain.
Pathogenic for Dicologlossa cuneata (Moreau), a flatfish species.
- Lopez JR, Dieguez AL, Doce A, De la Roca E, De la Herran R, Navas JI, Toranzo AE, Romalde JL. Pseudomonas baetica sp. nov.,
a fish pathogen isolated from wedge sole, Dicologlossa cuneata (Moreau). Int J Syst Evol Microbiol 2012; 62:874-882. - Ramirez-Bahena MH, Cuesta MJ, Flores-Felix JD, Mulas R, Rivas R, Castro-Pinto J, Branas J, Mulas D, Gonzalez-Andres F,
Velazquez E, et al. Pseudomonas helmanticensis sp. nov., isolated from forest soil. Int J Syst Evol Microbiol 2014; 64:2338-2345. - Duman M, Mulet M, Altun S, Burcin Saticioglu I, Gomila M, Lalucat J, Garcia-Valdes E. Pseudomonas anatoliensis sp. nov and
Pseudomonas iridis sp. nov. isolated from fish. Syst Appl Microbiol 2021; 44:126198.
(c) Costin Stoica
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