| Rahnella victoriana |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Enterobacteriales, Family Yersiniaceae, Genus Rahnella, Rahnella
victoriana Brady et al. 2017.
victoriana Brady et al. 2017.
Gram-negative rods, 0.6-0.8 x 1.2-1.7 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 Quercus robur in Suffolk, United Kingdom.
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.
Positive results for acetate utilization, catalase, beta-galactosidase, gelatinase (weak), nitrate reduction to nitrite, acetoin production,
acid production (API 50 CHB/E) from: glycerol, L-arabinose, arbutin, D-cellobiose, dulcitol, esculin ferric citrate, D- and L-fucose,
D-fructose, D-galactose, gentiobiose, D-glucose, gluconate, 5-ketogluconate, D-lactose, D-maltose, D-mannose, D-mannitol,
D-melibiose, N-acetylglucosamine, D-raffinose, L-rhamnose, D-ribose salicin, D-sorbitol, D-saccharose, D-trehalose, D-xylose
Can oxidize (Biolog): dextrin, glycogen, Tweens 40 and 80, N-acetyld-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-glucosaminic acid,
alpha-hydroxybutyric acid, alpha-ketoglutaric acid, D,L-lactic acid, malonic acid, quinic acid, D-saccharic acid, succinic 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, 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, H2S production, indole production, lysine decarboxylase, ornithine
decarboxylase, oxidase, tryptophan deaminase, urea hydrolysis, acid production from methyl-alpha-D-glucoside.
Variable results for oxidation of: inositol, cis-aconitic acid, alpha-ketobutyric acid and bromosuccinic acid.
acid production (API 50 CHB/E) from: glycerol, L-arabinose, arbutin, D-cellobiose, dulcitol, esculin ferric citrate, D- and L-fucose,
D-fructose, D-galactose, gentiobiose, D-glucose, gluconate, 5-ketogluconate, D-lactose, D-maltose, D-mannose, D-mannitol,
D-melibiose, N-acetylglucosamine, D-raffinose, L-rhamnose, D-ribose salicin, D-sorbitol, D-saccharose, D-trehalose, D-xylose
Can oxidize (Biolog): dextrin, glycogen, Tweens 40 and 80, N-acetyld-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-glucosaminic acid,
alpha-hydroxybutyric acid, alpha-ketoglutaric acid, D,L-lactic acid, malonic acid, quinic acid, D-saccharic acid, succinic 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, 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, H2S production, indole production, lysine decarboxylase, ornithine
decarboxylase, oxidase, tryptophan deaminase, urea hydrolysis, acid production from methyl-alpha-D-glucoside.
Variable results for oxidation of: inositol, cis-aconitic acid, alpha-ketobutyric acid and bromosuccinic acid.
(c) Costin Stoica
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