| Pseudomonas synxantha |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas, Pseudomonas synxantha (Ehrenberg 1840) Holland 1920.
Old synonym: Vibrio synxanthus Ehrenberg 1840.
Genus Pseudomonas, Pseudomonas synxantha (Ehrenberg 1840) Holland 1920.
Old synonym: Vibrio synxanthus Ehrenberg 1840.
Gram-negative rods. Motile. Non-spore-forming.
Fluorescent pigment is produced on King B agar. Haemolysis is not produced on
blood agar. Grows at 4-35 ºC (optimum growth temperature is 28-30 ºC), at pH 6-8
and in 0-3% NaCl (w/v). Shows proteolytic activity on skimmed milk agar at: 25 and 4
ºC. Grows on media: King B agar, Trypticase Soy Broth Agar, Nutrient Agar. Obligate
aerobe.
blood agar. Grows at 4-35 ºC (optimum growth temperature is 28-30 ºC), at pH 6-8
and in 0-3% NaCl (w/v). Shows proteolytic activity on skimmed milk agar at: 25 and 4
ºC. Grows on media: King B agar, Trypticase Soy Broth Agar, Nutrient Agar. Obligate
aerobe.
Isolated from cream in USA.
Undetermined.
- Lorenz Christian Reimer, Joaquim Sarda Carbasse, Julia Koblitz, Christian Ebeling, Adam Podstawka, Jorg Overmann, BacDive in
2022: the knowledge base for standardized bacterial and archaeal data, Nucleic Acids Research, Volume 50, Issue D1, 7 January
2022, Pages D741–D746, https://doi.org/10.1093/nar/gkab961. - von Neubeck M, Huptas C, Gluck C, Krewinkel M, Stoeckel M, Stressler T, Fischer L, Hinrichs J, Scherer S, Wenning M.
Pseudomonas lactis sp. nov. and Pseudomonas paralactis sp. nov., isolated from bovine raw milk. Int J Syst Evol Microbiol 2017; 67:
1656-1664. - John L. Johnson and Norbert J. Palleroni. Deoxyribonucleic Acid Similarities among Pseudomonas Species. Int. J. Syst. Bact., July
1989, p. 230-235, 0020-7713/89/030230-06$02.00. - Lick S, Krockel L, Wibberg D, Winkler A, Blom J, Bantleon A, Goesmann A, Kalinowski J. Pseudomonas carnis sp. nov., isolated
from meat. Int J Syst Evol Microbiol 2020; 70:1528-1540. - Saticioglu, I. B., Mulet, M., Duman, M., Altun, S., Gomila, M., Lalucat, J., & Garcia-Valdes, E. (2022). First occurrence and whole-
genome comparison of Pseudomonas haemolytica isolated in farmed rainbow trout. Aquaculture Research, 53, 4472–4486. https:
//doi.org/10.1111/are.15944.
Biochemically similar to P. fluorescens biovar V.
Positive results for arginine dihydrolase, acid and alkaline phosphatase, catalase, esterase (C 4, C8), gelatin hydrolysis, leucine
arylamidase, naphthol-AS-BI-phosphohydrolase, oxidase, tyrosine, trypsin, acid production from: trehalose, erythritol, xylitol and
D-lyxose.
Can assimilate/utilize: malate, citrate, gluconate, caprate, L-arabinose, D-glucose, D-mannose, galactose, D-adonitol, L-arabitol,
inositol, D-sorbitol and N-acetylglucosamine.
Negative results for alpha-chymotrypsin, cystine arylamidase, esculin hydrolysis, alpha-fucosidase, alpha- and beta-galactosidase,
alpha- and beta-glucosidase, H2S production, indole production, lipase (C 14), alpha-mannosidase, N-acetyl-beta-glucosaminidase,
lysine decarboxylase, ornithine decarboxylase, urease, valine arylamidase, beta-xylosidase, acid production from D-glucose, inositol,
cellobiose and sucrose.
No utilization of: L-histidine, L-lactate, D-tagatose, trehalose, malonate, 5-ketogluconate, adonitol, cellobiose, L-rhamnose, arbutin,
sucrose, D-lyxose, maltose, adipate and phenylacetate.
Variable results for nitrate reduction to nitrite, D-sorbitol, L-arabitol, mannitol, i-erithritol and xylitol utilization.
Positive results for arginine dihydrolase, acid and alkaline phosphatase, catalase, esterase (C 4, C8), gelatin hydrolysis, leucine
arylamidase, naphthol-AS-BI-phosphohydrolase, oxidase, tyrosine, trypsin, acid production from: trehalose, erythritol, xylitol and
D-lyxose.
Can assimilate/utilize: malate, citrate, gluconate, caprate, L-arabinose, D-glucose, D-mannose, galactose, D-adonitol, L-arabitol,
inositol, D-sorbitol and N-acetylglucosamine.
Negative results for alpha-chymotrypsin, cystine arylamidase, esculin hydrolysis, alpha-fucosidase, alpha- and beta-galactosidase,
alpha- and beta-glucosidase, H2S production, indole production, lipase (C 14), alpha-mannosidase, N-acetyl-beta-glucosaminidase,
lysine decarboxylase, ornithine decarboxylase, urease, valine arylamidase, beta-xylosidase, acid production from D-glucose, inositol,
cellobiose and sucrose.
No utilization of: L-histidine, L-lactate, D-tagatose, trehalose, malonate, 5-ketogluconate, adonitol, cellobiose, L-rhamnose, arbutin,
sucrose, D-lyxose, maltose, adipate and phenylacetate.
Variable results for nitrate reduction to nitrite, D-sorbitol, L-arabitol, mannitol, i-erithritol and xylitol utilization.
(c) Costin Stoica
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