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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Betaproteobacteria, Order Burkholderiales, Family Burkholderiaceae, Genus
Polynucleobacter, Polynucleobacter difficilis Hahn et al. 2012.
Polynucleobacter, Polynucleobacter difficilis Hahn et al. 2012.
Gram-negative curved rods, 0.4-0.5 x 0.6-1.8 μm. Non-motile.
Colonies grown on NSY agar are unpigmented, circular and convex with smooth
surfaces. Growth occurs at 4 ºC but not at 35 ºC. NaCl is not required for growth.
Maximum NaCl concentration tolerated is 0.2% (w/v). Aerobic and anaerobic growth.
surfaces. Growth occurs at 4 ºC but not at 35 ºC. NaCl is not required for growth.
Maximum NaCl concentration tolerated is 0.2% (w/v). Aerobic and anaerobic growth.
Isolated from Lake Sevan, Armenia.
Undetermined.
- Hahn M. W., Minasyan A., Lang E., Koll U. and Sproer C.: Polynucleobacter difficilis sp. nov., a planktonic freshwater bacterium
affiliated with subcluster B1 of the genus Polynucleobacter. Int. J. Syst. Evol. Microbiol., 2012, 62, 376-383.
(c) Costin Stoica
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| R E G N U M PROKARYOTAE |
Positive results for catalase and oxidase.
Can assimilate formic acid, pyruvic acid, oxaloacetic acid, malic acid, succinic acid,
fumaric acid, D-galacturonic acid, D-lyxose, D-fucose and L-cysteine.
No assimilation of glyoxylic acid, glycolic acid, acetic acid, oxalic acid, propionic acid, malonic acid, levulinic acid, citric acid,
D-mannose, D-glucose, Dgalactose, D-fructose, D-sorbitol, L-glutamate, L-aspartate, Lalanine, L-serine, L-asparagine or betaine.
Can assimilate formic acid, pyruvic acid, oxaloacetic acid, malic acid, succinic acid,
fumaric acid, D-galacturonic acid, D-lyxose, D-fucose and L-cysteine.
No assimilation of glyoxylic acid, glycolic acid, acetic acid, oxalic acid, propionic acid, malonic acid, levulinic acid, citric acid,
D-mannose, D-glucose, Dgalactose, D-fructose, D-sorbitol, L-glutamate, L-aspartate, Lalanine, L-serine, L-asparagine or betaine.
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