| Rahnella inusitata |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Enterobacteriales, Family Yersiniaceae, Genus Rahnella, Rahnella
inusitata Brady et al. 2017.
Old synonym: Rahnella genomospecies 3.
inusitata Brady et al. 2017.
Old synonym: Rahnella genomospecies 3.
Gram-negative rods, 0.6-0.8 x 1.3-2.0 μm, occuring singly or in pairs. Motile by
peritrichous flagella when grown at 25 ºC.
peritrichous flagella when grown at 25 ºC.
Colonies are cream on nutrient agar, round, convex and smooth with entire margins,
Grow at temperatures between 4 and 37 ºC. No growth in KCN. Facultatively
anaerobic.
Grow at temperatures between 4 and 37 ºC. No growth in KCN. Facultatively
anaerobic.
Unknown source and place of isolation.
Undetermined.
- Brady C, Hunter G, Kirk S, Arnold D, Denman S. Rahnella victoriana sp. nov., Rahnella bruchi sp. nov., Rahnella woolbedingensis
sp. nov., classification of Rahnella genomospecies 2 and 3 as Rahnella variigena sp. nov. and Rahnella inusitata sp. nov.,
respectively and emended description of the genus Rahnella. Syst Appl Microbiol 2014; 37:545-552. - Don J. Brenner & J.J. Farmer III, 2004, Family I. Enterobacteriaceae, In: Bergey’s Manual of Systematic Bacteriology, Second
edition, Vol two, part B, George M. Garrity (Editor-in-Chief), pp. 740-744. - Brenner D.J., Muller H.E., Steigerwalt A.G., Whitney A.M., O'Hara C.M. & Kampfer P.: Two new Rahnella genomospecies that
cannot be phenotypically differentiated from Rahnella aquatilis. Int. J. Syst. Bacteriol., 1998, 48, 141-149.
Positive results for acetate utilization, catalase, esculin hydrolysis, beta-galactosidase, gelatin hydrolysis (weak), methyl red, nitrates
reduction, phenylalanine deaminase, tartrate utilization, Voges-Proskauer test, acid production (API 50 CHB/E) from: L-arabinose,
D-arabitol, arbutin, D-cellobiose, D-fructose, esculin ferric citrate, D-galactose, gentiobiose, glycerol, D-glucose, D-lactose,
D-melibiose, D-mannose, D-maltose, D-mannitol, N-acetylglucosamine, D-raffinose, D-ribose, salicin, D-saccharose, D-sorbitol,
D-trehalose, and D-xylose,
Can oxidize (Biolog): dextrin, glycogen, Tween 40 and 80, N-acetyl-D-glucosamine, L-arabinose, D-cellobiose, D-fructose, L-fucose,
D-galactose, gentiobiose, alpha-D-glucose, alpha-D-lactose, lactulose, maltose, D-mannitol, D-mannose, D-melibiose,
alpha-methyl-D-glucoside, D-psicose, D-raffinose, L-rhamnose, D-sorbitol, sucrose, D-trehalose, turanose, pyruvic acid methyl ester,
succinic acid mono-methyl ester, acetic acid, citric acid, formic acid, D-galacturonic acid, D-gluconic acid, D-glucuronic acid, alpha-
ketobutyric acid, D,L-lactic acid, D-saccharic acid, succinic acid, bromosuccinic acid, glucuronamide, L-alaninamide, D- and
L-alanine, L-alanyl-glycine, L-aspargine, L-aspartic acid, L-glutamic acid, glycyl-L-aspartic acid, glycyl-L-glutamic acid, D- and
L-serine, L-threonine, urocanic acid, inosine, uridine, thymidine, glycerol, D,L-glycerol phosphate, alpha-D-glucose-1-phosphate and
alpha-D-glucose-6-phosphate.
Negative results for arginine dihydrolase, citrate utilization, DN-ase, H2S production, indole production, lysine decarboxylase, lipase,
ornithine decarboxylase, oxidase, tryptophan deaminase, urea hydrolysis, acid production from methyl-alpha-D-glucoside.
Variable results for acid production from dulcitol and L-rhamnose and oxidation of: D-galactonic acid lactone, malonic acid and
L-proline.
reduction, phenylalanine deaminase, tartrate utilization, Voges-Proskauer test, acid production (API 50 CHB/E) from: L-arabinose,
D-arabitol, arbutin, D-cellobiose, D-fructose, esculin ferric citrate, D-galactose, gentiobiose, glycerol, D-glucose, D-lactose,
D-melibiose, D-mannose, D-maltose, D-mannitol, N-acetylglucosamine, D-raffinose, D-ribose, salicin, D-saccharose, D-sorbitol,
D-trehalose, and D-xylose,
Can oxidize (Biolog): dextrin, glycogen, Tween 40 and 80, N-acetyl-D-glucosamine, L-arabinose, D-cellobiose, D-fructose, L-fucose,
D-galactose, gentiobiose, alpha-D-glucose, alpha-D-lactose, lactulose, maltose, D-mannitol, D-mannose, D-melibiose,
alpha-methyl-D-glucoside, D-psicose, D-raffinose, L-rhamnose, D-sorbitol, sucrose, D-trehalose, turanose, pyruvic acid methyl ester,
succinic acid mono-methyl ester, acetic acid, citric acid, formic acid, D-galacturonic acid, D-gluconic acid, D-glucuronic acid, alpha-
ketobutyric acid, D,L-lactic acid, D-saccharic acid, succinic acid, bromosuccinic acid, glucuronamide, L-alaninamide, D- and
L-alanine, L-alanyl-glycine, L-aspargine, L-aspartic acid, L-glutamic acid, glycyl-L-aspartic acid, glycyl-L-glutamic acid, D- and
L-serine, L-threonine, urocanic acid, inosine, uridine, thymidine, glycerol, D,L-glycerol phosphate, alpha-D-glucose-1-phosphate and
alpha-D-glucose-6-phosphate.
Negative results for arginine dihydrolase, citrate utilization, DN-ase, H2S production, indole production, lysine decarboxylase, lipase,
ornithine decarboxylase, oxidase, tryptophan deaminase, urea hydrolysis, acid production from methyl-alpha-D-glucoside.
Variable results for acid production from dulcitol and L-rhamnose and oxidation of: D-galactonic acid lactone, malonic acid and
L-proline.
(c) Costin Stoica
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