| Pseudomonas azotoformans |
Taxonomy
Morphology
Growth conditions
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas, Pseudomonas azotoformans Iizuka and Komagata 1963.
Genus Pseudomonas, Pseudomonas azotoformans Iizuka and Komagata 1963.
Gram-negative rods. Motile. Non-spore-forming.
Strictly aerobic, optimum growth temperature 28 ºC. Trypticase Soy Agar ± 5%
sheep blood. Haemolytic activity. Fluorescent and blue diffusible pigments might
be produced.
sheep blood. Haemolytic activity. Fluorescent and blue diffusible pigments might
be produced.
Isolated from cereals and from rabbit carcasses where conferred blue coloration to the meat.
Unknown. Food spoilage. N2-fixing bacteria in rice.
- Iizuka H. & Komagata K.: New species of Pseudomonas belonged to fluorescent group (Studies on the microorganisms of
cereal grains. Part V). Journal of the Agricultural Chemical Society of Japan, 1963, 37, 137-141. - Tambong JT, Xu R, Bromfield ESP. Pseudomonas canadensis sp. nov., a biological control agent isolated from a field plot under
long-term mineral fertilization. Int J Syst Evol Microbiol 2017; 67:889-895. - 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. - Circella E, Schiavone A, Barrasso R, Camarda A, Pugliese N, Bozzo G. Pseudomonas azotoformans Belonging to
Pseudomonas fluorescens Group as Causative Agent of Blue Coloration in Carcasses of Slaughterhouse Rabbits. Animals.
2020; 10(2):256. https://doi.org/10.3390/ani10020256. - Hofmann K, Woller A, Huptas C, Wenning M, Scherer S, Doll EV. Pseudomonas cremoris sp. nov., a novel proteolytic species
isolated from cream. Int J Syst Evol Microbiol 2021; 71:4597.
The morphobiological characters available for P. azotoformans are insufficient to
differentiate it from Pseudomonas fluorescens biovar 3 (admin note).
Positive results for: arginine dihydrolase, nitrate reduction, oxidase, acid production from: lactose, sucrose, trehalose, L-arabitol and
D-adonitol.
Can assimilate: L-arabitol, D-lyxose, xylitol, sorbitol, adipate, caprate, citrate, L-arabinose, gluconate, D-glucose, malate, mannose,
trehalose, D-galactose, L-phenylalanine, N-acetyl-D-glucosamine, i-erythritol, D-xylitol, adonitol, myo-inositol, itaconic acid, putrescine
and L-ornithine.
Negative results for lysine decarboxylase, ornithine decarboxylase, aesculin hydrolysis, indole production, PNPG, urease and acid
production from: glucose, D-arabinose, L-xylose.
No assimilation of: arbutin, phenylacetate, maltose, alpha-D-glucose, lactose, melibiose and L-rhamnose.
Variable results for gelatin hydrolysis (type strain is positive) and utilization of mannitol and sucrose.
differentiate it from Pseudomonas fluorescens biovar 3 (admin note).
Positive results for: arginine dihydrolase, nitrate reduction, oxidase, acid production from: lactose, sucrose, trehalose, L-arabitol and
D-adonitol.
Can assimilate: L-arabitol, D-lyxose, xylitol, sorbitol, adipate, caprate, citrate, L-arabinose, gluconate, D-glucose, malate, mannose,
trehalose, D-galactose, L-phenylalanine, N-acetyl-D-glucosamine, i-erythritol, D-xylitol, adonitol, myo-inositol, itaconic acid, putrescine
and L-ornithine.
Negative results for lysine decarboxylase, ornithine decarboxylase, aesculin hydrolysis, indole production, PNPG, urease and acid
production from: glucose, D-arabinose, L-xylose.
No assimilation of: arbutin, phenylacetate, maltose, alpha-D-glucose, lactose, melibiose and L-rhamnose.
Variable results for gelatin hydrolysis (type strain is positive) and utilization of mannitol and sucrose.
(c) Costin Stoica
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