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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 yangtzensis 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 yangtzensis 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, 0.3-0.5 x 0.5-1.5 μm. Non-motile.
Grows on NSY, nutrient broth, peptone, soytone, yeast extract, tryptic soy and R2A
media. Colonies on NSY agar are non-pigmented, circular and convex with smooth
surface. Growth occurs at 5-35 ºC and in 0-0.3% (w/v) NaCl. Facultatively anaerobic.
media. Colonies on NSY agar are non-pigmented, circular and convex with smooth
surface. Growth occurs at 5-35 ºC and in 0-0.3% (w/v) NaCl. Facultatively anaerobic.
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 urea, thiosulfate, acetate, propionate, pyruvate, oxaloacetate, malate,
succinate, fumarate and L-cysteine. Weak reaction for malonic acid, D-lyxose,
D-fructose and L-fucose.
No assimilation of betaine, glycolate, glyoxylate, oxalate, levulinate, D-mannose, D-glucose, D-galactose, D-sorbitol, L-glutamate,
L-aspartate, L-alanine, L-serine, L-asparagine or citrate.
succinate, fumarate and L-cysteine. Weak reaction for malonic acid, D-lyxose,
D-fructose and L-fucose.
No assimilation of betaine, glycolate, glyoxylate, oxalate, levulinate, D-mannose, D-glucose, D-galactose, D-sorbitol, L-glutamate,
L-aspartate, L-alanine, L-serine, L-asparagine or citrate.
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