Stutzerimonas azotifigens
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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Stutzerimonas, Stutzerimonas azotifigens (Hatayama et al. 2005) Lalucat et al. 2022.
Synonyms: Pseudomonas azotofixans, Pseudomonas azotifigens Hatayama et al. 2005.
Gram-negative, straight, 2-5 / 0.5 μm, motile rods.
Produce translucent, wrinkled colonies. No pigments are produced on King medium
A or Luisetti medium. Strictly aerobic, growth temperature 28-41 ºC (optimum 30 ºC).
Grows on: Trypticase Soy Agar ± 5% sheep blood, Nutrient agar, Mueller-Hinton agar,
Luria-Bertani medium.
Isolated from a compost pile. Nitrogen-fixing bacteria.
Undetermined.
- Hatayama K., Kawai S., Shoun H., Ueda Y. & Nakamura A.: Pseudomonas azotifigens sp. nov., a novel nitrogen-fixing bacterium
isolated from a compost pile. Int. J. Syst. Evol. Microbiol., 2005, 55, 1539-1544.
- Lin SY, Hameed A, Hung MH, Liu YC, Hsu YH, Young LS, Young CC. Pseudomonas matsuisoli sp. nov., isolated from a soil
sample. Int J Syst Evol Microbiol 2015; 65:902-909.
- Gomila M, Mulet M, Garcia-Valdes E, Lalucat J. Genome-Based Taxonomy of the Genus Stutzerimonas and Proposal of S.
frequens sp. nov. and S. degradans sp. nov. and Emended Descriptions of S. perfectomarina and S. chloritidismutans.
Microorganisms 2022; 10:0.
- Bueno-Gonzalez V, Brady C, Denman S, Allainguillaume J, Arnold D. Pseudomonas kirkiae sp. nov., a novel species isolated from
oak in the United Kingdom, and phylogenetic considerations of the genera Pseudomonas, Azotobacter and Azomonas. Int J Syst
Evol Microbiol 2020; 70:2426-2434.
Positive results for catalase, cystine arylamidase, alpha-glucosidase, oxidase, starch hydrolysis, Tween 80 hydrolysis, trypsin and
alpha-chymotrypsin.
Can utilize: acetic acid, malate, cis-aconitic acid, L-alaninamide, D-alanine, L-alanine, D-arabitol, L-asparagine, bromosuccinic acid,
citric acid, formic acid, D-gluconic acid, alpha-D-glucose, L-glutamic acid, glycogen, hydroxy-L-proline, alpha-hydroxybutyric acid,
beta-hydroxybutyric acid, itaconic acid, alpha-ketobutyric acid, alpha-ketoglutaric acid, alpha-ketovaleric acid, DL-lactic acid, L-leucine,
D-mannitol, methyl pyruvate, monomethyl succinate, L-proline, propionic acid, D-psicose, L-pyroglutamic acid, D-saccharic acid,
sebacic acid, succinamic acid, succinic acid and Tweens 40 and 80. Weak results for L-alanylglycine, L-aspartic acid, D-cellobiose,
D-fructose, gamma-hydroxybutyric acid, p-hydroxyphenylacetic acid, D- and L-serine and L-threonine.
Can assimilate (API 20 NE): trisodium citrate, D-glucose and D-mannitol.
Negative results for beta-galactosidase, nitrate reduction and denitrification, indole production.
No utilization of erythritol, galactose, mannose, inositol, sorbitol, sucrose, trehalose, N-acetyl-D-glucosamine, 2,3-butanediol,
DL-carnitine, dextrin, D-galacturonic acid, D-glucuronic acid, glycerol, L-histidine, inosine, malonic acid, quinic acid and urocanic acid.
No assimilation of adipic acid, capric acid, potassium gluconate, phenylacetate and maltose.
Variable results for arginine dihydrolase, beta-glucosidase, gelatin hydrolysis, urease, utilization of: L-arabinose, D-arabitol and
fructose.

(c) Costin Stoica