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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 duraquae Hahn et al. 2016.
Basonym: Polynucleobacter necessarius Hahn et al. 2009. Four strains currently classified as Polynucleobacter necessarius subsp.
asymbioticus were reclassified as Polynucleobacter asymbioticus comb. nov., Polynucleobacter duraquae sp. nov.,
Polynucleobacter yangtzensis sp. nov. and Polynucleobacter sinensis sp. nov.
Polynucleobacter, Polynucleobacter duraquae Hahn et al. 2016.
Basonym: Polynucleobacter necessarius Hahn et al. 2009. Four strains currently classified as Polynucleobacter necessarius subsp.
asymbioticus were reclassified as Polynucleobacter asymbioticus comb. nov., Polynucleobacter duraquae sp. nov.,
Polynucleobacter yangtzensis sp. nov. and Polynucleobacter sinensis sp. nov.
Gram-negative short rods, 0.4-0.5 x 0.9-2.9 μm. Usually non-motile.
Grows on NSY, R2A, Luria–Bertani and peptone media. Colonies on NSY agar are
non-pigmented, circular and convex with smooth surface. Growth occurs at 5-30 ºC
and in 0-0.3% (w/v) NaCl. Aerobic.
non-pigmented, circular and convex with smooth surface. Growth occurs at 5-30 ºC
and in 0-0.3% (w/v) NaCl. Aerobic.
Isolated from alkaline Lake Mondsee.
Undetermined.
- Hahn, M. W., Schmidt, J., Pitt, A., Taipale, S. J. and Lang, E. 2016. Reclassification of four Polynucleobacter necessarius strains as
representatives of Polynucleobacter asymbioticus comb. nov., Polynucleobacter duraquae sp. nov., Polynucleobacter
yangtzensis sp. nov. and Polynucleobacter sinensis sp. nov., and emended description of Polynucleobacter necessarius Int. J.
Syst. Evol. Microbiol., 66, 2883-2892. - Hahn M.W., Lang E., Brandt U., Wu Q.L. and Scheuerl T.: Emended description of the genus Polynucleobacter and the species
Polynucleobacter necessarius and proposal of two subspecies, P. necessarius subsp. necessarius subsp. nov. and P.
necessarius subsp. asymbioticus subsp. nov. Int. J. Syst. Evol. Microbiol., 2009, 59, 2002-2009.
(c) Costin Stoica
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| R E G N U M PROKARYOTAE |
Can assimilate acetate, pyruvate, oxaloacetate, succinate, fumarate and L-cysteine.
Weak reaction for malic acid, fumaric acid, D-glucose, D-lyxose and D-fructose.
No assimilation of urea, thiosulfate, betaine, glycolate, glyoxylate, propionate, malonate,
oxalate, levulinate, D-mannose, D-galactose, L-fucose, D-sorbitol, L-glutamate,
L-aspartate, L-alanine, L-serine, L-asparagine or citrate.
Weak reaction for malic acid, fumaric acid, D-glucose, D-lyxose and D-fructose.
No assimilation of urea, thiosulfate, betaine, glycolate, glyoxylate, propionate, malonate,
oxalate, levulinate, D-mannose, D-galactose, L-fucose, D-sorbitol, L-glutamate,
L-aspartate, L-alanine, L-serine, L-asparagine or citrate.
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