| Rahnella variigena |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Enterobacteriales, Family Yersiniaceae, Genus Rahnella, Rahnella
variigena Brady et al. 2017.
Old synonym: Rahnella genomospecies 2.
variigena Brady et al. 2017.
Old synonym: Rahnella genomospecies 2.
Gram-negative rods, 0.7-0.9 x 1.2-2.0 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.
Isolated from a human burn sample in the USA.
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.
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, dulcitol, D- and L-fucose, 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, L-rhamnose, D-ribose,
salicin, D-saccharose, D-sorbitol, D-trehalose, and D-xylose.
Can oxidize (Biolog): dextrin, glycogen, Tweens 40 and 80, N-acetyl-D-glucosamine, L-arabinose, D-cellobiose, D-fructose,
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, pyruvic acid methyl ester, succinic
acid mono-methyl ester, acetic acid, citric acid, formic acid, D-galacturonic acid, D-gluconic acid, D-glucosaminic acid, D,L-lactic acid,
malonic acid, quinic acid, d-saccharic acid, succinic acid, bromosuccinic acid, succinamic acid, 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, 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 oxidation of: L-fucose, turanose, cis-aconitic acid, glucuronamide, L-histidine, L-proline and urocanic acid.
reduction, phenylalanine deaminase, tartrate utilization, Voges-Proskauer test, acid production (API 50 CHB/E) from: L-arabinose,
D-arabitol, arbutin, D-cellobiose, dulcitol, D- and L-fucose, 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, L-rhamnose, D-ribose,
salicin, D-saccharose, D-sorbitol, D-trehalose, and D-xylose.
Can oxidize (Biolog): dextrin, glycogen, Tweens 40 and 80, N-acetyl-D-glucosamine, L-arabinose, D-cellobiose, D-fructose,
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, pyruvic acid methyl ester, succinic
acid mono-methyl ester, acetic acid, citric acid, formic acid, D-galacturonic acid, D-gluconic acid, D-glucosaminic acid, D,L-lactic acid,
malonic acid, quinic acid, d-saccharic acid, succinic acid, bromosuccinic acid, succinamic acid, 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, 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 oxidation of: L-fucose, turanose, cis-aconitic acid, glucuronamide, L-histidine, L-proline and urocanic acid.
(c) Costin Stoica
| Antibiogram |
| Encyclopedia |
| Culture media |
| Biochemical tests |
| Stainings |
| Images |
| Movies |
| Articles |
| Identification |
| Software |
| R E G N U M PROKARYOTAE |
| Back |