| Raoultella electrica |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Enterobacterales, Family Enterobacteriaceae, Genus
Raoultella, Raoultella electrica Kimura et al. 2014.
Raoultella, Raoultella electrica Kimura et al. 2014.
Gram-negative rods, 0.3-0.4 x 3.0-6.0 μm. Non-motile. Non-spore-forming.
Colonies on LB agar are circular, smooth, glistening, light yellow and 5.0 mm in
diameter after 2 days of incubation at 37 ºC. Growth occurrs at temperatures from 10-
41 ºC, but not at 5 or 50 ºC. Facultatively anaerobic.
diameter after 2 days of incubation at 37 ºC. Growth occurrs at temperatures from 10-
41 ºC, but not at 5 or 50 ºC. Facultatively anaerobic.
Isolated from anodic biofilms of a microbial fuel cell fed with glucose as an electron donor.
Undetermined.
- Kimura Z, Chung KM, Itoh H, Hiraishi A, Okabe S. Raoultella electrica sp. nov., isolated from anodic biofilms of a glucose-fed
microbial fuel cell. Int J Syst Evol Microbiol 2014; 64:1384-1388.
Description is based mostly on API 20E and API 50CH results.
Positive results for arginine dihydrolase, catalase, lysine decarboxylase, Voges-Proskauer test, utilization/fermentation of D-amygdalin,
D-adonitol, D-arabitol, arbutin, L-arabinose, cellobiose, D-fructose, D-galactose, D-glucose, glycerol, gentiobiose, inositol, lactose,
maltose, melezitose, D-mannitol, D-mannose, melibiose, methyl alpha-D-glucopyranoside, N-acetylglucosamine, raffinose, D-ribose,
D-sorbitol, L-sorbose, sucrose, trehalose, D-xylose, aesculin, citrate and salicin.
Negative results for H2S production, indole production, ornithine decarboxylase, oxidase, tryptophan deaminase, utilization/fermentation
of D-arabinose, L-arabitol, dulcitol, erythritol, D- and L-fucose, glycogen, D-lyxose, gluconate, inulin, 2-ketogluconate, methyl
beta-D-xylopyranoside, methyl alpha-D-mannopyranoside, L-rhamnose, starch, D-tagatose, turanose, xylitol and L-xylose.
Positive results for arginine dihydrolase, catalase, lysine decarboxylase, Voges-Proskauer test, utilization/fermentation of D-amygdalin,
D-adonitol, D-arabitol, arbutin, L-arabinose, cellobiose, D-fructose, D-galactose, D-glucose, glycerol, gentiobiose, inositol, lactose,
maltose, melezitose, D-mannitol, D-mannose, melibiose, methyl alpha-D-glucopyranoside, N-acetylglucosamine, raffinose, D-ribose,
D-sorbitol, L-sorbose, sucrose, trehalose, D-xylose, aesculin, citrate and salicin.
Negative results for H2S production, indole production, ornithine decarboxylase, oxidase, tryptophan deaminase, utilization/fermentation
of D-arabinose, L-arabitol, dulcitol, erythritol, D- and L-fucose, glycogen, D-lyxose, gluconate, inulin, 2-ketogluconate, methyl
beta-D-xylopyranoside, methyl alpha-D-mannopyranoside, L-rhamnose, starch, D-tagatose, turanose, xylitol and L-xylose.
(c) Costin Stoica
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Differential characters of the Raoultella species:
Legend: + positive 90-100%, - negative 90-100%, [+] positive 75-89%, [-] negative 75-89%, d positive 25-74% of strains
