| Kosakonia oryzae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Enterobacteriales, Family Enterobacteriaceae, Genus Kosakonia,
Kosakonia oryzae (Peng et al. 2009) Brady et al. 2013.
Old synonym: Enterobacter oryzae Peng et al. 2009.
Kosakonia oryzae (Peng et al. 2009) Brady et al. 2013.
Old synonym: Enterobacter oryzae Peng et al. 2009.
Gram-negative straight or slightly curved rods, 0.8-1.161.4-2.0 μm. Motile by subpolar
flagella.
flagella.
Colonies on VM medium are circular, convex and translucent, with a diameter of 3
mm within 3 days at 28 ºC. Growth occurs at 10-40 ºC (optimum 28-37 ºC), at pH
3.5-10 and in 0-5% NaCl media. Facultatively anaerobic.
mm within 3 days at 28 ºC. Growth occurs at 10-40 ºC (optimum 28-37 ºC), at pH
3.5-10 and in 0-5% NaCl media. Facultatively anaerobic.
Isolated from surface-sterilized roots of the wild rice species Oryza latifolia. Resistant to erythromycin, neomycin, ampicillin,
chloramphenicol, streptomycin, tetracycline and gentamicin. Suscepible to kanamycin.
chloramphenicol, streptomycin, tetracycline and gentamicin. Suscepible to kanamycin.
Undetermined. Nitrogen-fixing bacterium.
- Peng G, Zhang W, Luo H, Xie H, Lai W, Tan Z. Enterobacter oryzae sp. nov., a nitrogen-fixing bacterium isolated from the wild rice
species Oryza latifolia. Int J Syst Evol Microbiol 2009; 59:1650-1655. - Li CY, Zhou YL, Ji J, Gu CT. Reclassification of Enterobacter oryziphilus and Enterobacter oryzendophyticus as Kosakonia
oryziphila comb. nov. and Kosakonia oryzendophytica comb. nov. Int J Syst Evol Microbiol 2016; 66:2780-2783. - Brady C, Cleenwerck I, Venter S, Coutinho T, De Vos P. Taxonomic evaluation of the genus Enterobacter based on multilocus
sequence analysis (MLSA): proposal to reclassify E. nimipressuralis and E. amnigenus into Lelliottia gen. nov. as Lelliottia
nimipressuralis comb. nov. and Lelliottia amnigena comb. nov., respectively, E. gergoviae and E. pyrinus into Pluralibacter gen.
nov. as Pluralibacter gergoviae comb. nov. and Pluralibacter pyrinus comb. nov., respectively, E. cowanii, E. radicincitans, E.
oryzae and E. arachidis into Kosakonia gen. nov. as Kosakonia cowanii comb. nov., Kosakonia radicincitans comb. nov.,
Kosakonia oryzae comb. nov. and Kosakonia arachidis comb. nov., respectively, and E. turicensis, E. helveticus and E. pulveris
into Cronobacter as Cronobacter zurichensis nom. nov., Cronobacter helveticus comb. nov. and Cronobacter pulveris comb. nov.,
respectively, and emended description of the genera Enterobacter and Cronobacter. Syst Appl Microbiol 2013; 36:309-319. - Wang C, Wu W, Wei L, Feng Y, Kang M, Xie Y, Zong Z. Kosakonia quasisacchari sp. nov. recovered from human wound secretion
in China. Int J Syst Evol Microbiol 2019; 69:3164-3169.
Positive results for arginine dihydrolase, citrate utilization, lysine decarboxylase, ornithine decarboxylase, Voges-Proskauer test,
oxidation/acid production from L-arabinose, D-glucose , melibiose, D-mannitol, D-sorbitol, and sucrose.
Can utilize as sole carbon source adonitol, L-aspartic acid, dulcitol, sodium oxalate, vanillic acid, sodium benzoate, sodium
hippurate, malate, maltose, dextrin, maltose, sucrose, citric acid, D-galactose, D-glucose, D-mannitol, L-serine, D-glucuronic acid,
DL-lactate, xylose, cellobiose, gentiobiose, L-alanine, L-arabinose, D-ribose, N-acetyl-D-glucosamine, trehalose, alpha-ketoglutaric
acid, glycerol, D-gluconic acid, L-fucose, D-fructose, L-glutamic acid, L-proline, D-saccharic acid, D-xylose, D-sorbitol,
L-asparagine, D-mannose, and sodium pyruvate.
Negative results for esculin hydrolysis, gelatinase, H2S production, indole production, tryptophan deaminase, nitrate reduction to
nitrite, oxidase, urease, oxidation/acid production from amygdalin and inositol.
No utilization of acetic acid, L-rhamnose, putrescine, uridine, D-arabinos, myo-inositol, succinic acid, cis-aconitic acid, salicin,
L-arginine, glycogen, Tweens 40 and 80, D-arabitol, i-erythritol, L-leucine, glycine, inosine, sebacic acid, gamma-aminobutyric acid,
propionic acid, L-ornithine, alpha-D-lactose, inulin, L-lysine, 2-aminoethanol, malonic acid, L-histidine, xylitol, L-phenylalanine,
L-threonine, L-cystine, L-sorbose, itaconic acid, L-arabitol, melezitose, sodium deoxycholate, sodium salicylate, D-tartrate,
amygdalin, hydroxymethyl cellulose, L-glutamine, L-tryptophan, L-tyrosine, L-methionine and hydroxy-L-proline.
oxidation/acid production from L-arabinose, D-glucose , melibiose, D-mannitol, D-sorbitol, and sucrose.
Can utilize as sole carbon source adonitol, L-aspartic acid, dulcitol, sodium oxalate, vanillic acid, sodium benzoate, sodium
hippurate, malate, maltose, dextrin, maltose, sucrose, citric acid, D-galactose, D-glucose, D-mannitol, L-serine, D-glucuronic acid,
DL-lactate, xylose, cellobiose, gentiobiose, L-alanine, L-arabinose, D-ribose, N-acetyl-D-glucosamine, trehalose, alpha-ketoglutaric
acid, glycerol, D-gluconic acid, L-fucose, D-fructose, L-glutamic acid, L-proline, D-saccharic acid, D-xylose, D-sorbitol,
L-asparagine, D-mannose, and sodium pyruvate.
Negative results for esculin hydrolysis, gelatinase, H2S production, indole production, tryptophan deaminase, nitrate reduction to
nitrite, oxidase, urease, oxidation/acid production from amygdalin and inositol.
No utilization of acetic acid, L-rhamnose, putrescine, uridine, D-arabinos, myo-inositol, succinic acid, cis-aconitic acid, salicin,
L-arginine, glycogen, Tweens 40 and 80, D-arabitol, i-erythritol, L-leucine, glycine, inosine, sebacic acid, gamma-aminobutyric acid,
propionic acid, L-ornithine, alpha-D-lactose, inulin, L-lysine, 2-aminoethanol, malonic acid, L-histidine, xylitol, L-phenylalanine,
L-threonine, L-cystine, L-sorbose, itaconic acid, L-arabitol, melezitose, sodium deoxycholate, sodium salicylate, D-tartrate,
amygdalin, hydroxymethyl cellulose, L-glutamine, L-tryptophan, L-tyrosine, L-methionine and hydroxy-L-proline.
(c) Costin Stoica
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