| Rahnella bruchi |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Enterobacteriales, Family Yersiniaceae, Genus Rahnella, Rahnella
bruchi Brady et al. 2017.
bruchi Brady et al. 2017.
Gram-negative rods, 0.7-0.9 x 1.3-1.8 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. Facultatively anaerobic.
Grow at temperatures between 4 and 37 ºC. Facultatively anaerobic.
Isolated from the gut of an Agrillus biguttatus beetle in Worcestershire, 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 catalase, beta-galactosidase, gelatin hydrolysis, nitrates reduction, acid production (API 50 CHB/E) from: D- and
L-arabinose, D-arabitol, arbutin, D-cellobiose, dulcitol, esculin ferric citrate, L-fucose, D-fructose, D-galactose, D-glucose,
gentiobiose, glycerol, 5-ketogluconate, D-lactose, D-maltose, D-mannitol, D-mannose, D-melibiose, methyl-D-mannopyranoside,
methyl-D-glucopyranoside, N-acetylglucosamine, D-raffinose, D-ribose, L-rhamnose, salicin, D-saccharose, D-trehalose, and
D-xylose.
Can oxidize (Biolog): dextrin, glycogen, tweens 40 and 80, N-acetyl-D-glucosamine, L-arabinose, D-arabitol, D-cellobiose, D-fructose,
L-fucose, D-galactose, gentiobiose, alpha-D-glucose, alpha-D-lactose, lactulose, maltose, D-mannitol, D-mannose, D-melibiose,
beta-methyl-D-glucoside, D-psicose, D-raffinose, L-rhamnose, sucrose, D-trehalose, pyruvic acid methyl ester, succinic acid
mono-methyl ester, acetic acid, citric acid, formic acid, D-galactonic acid lactone, D-galacturonic acid, D-gluconic acid, malonic acid,
quinic acid, succinic acid, bromosuccinic 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, H2S production, indole production, lysine decarboxylase, ornithine
decarboxylase, oxidase, tryptophan deaminase, urea hydrolysis, Voges-Proskauer test, acid production from D-fucose and gluconate.
Variable results for oxidation of D-glucosaminic acid, D-glucuronic acid, D,L-lactic acid, D-saccharic acid and L-proline.
L-arabinose, D-arabitol, arbutin, D-cellobiose, dulcitol, esculin ferric citrate, L-fucose, D-fructose, D-galactose, D-glucose,
gentiobiose, glycerol, 5-ketogluconate, D-lactose, D-maltose, D-mannitol, D-mannose, D-melibiose, methyl-D-mannopyranoside,
methyl-D-glucopyranoside, N-acetylglucosamine, D-raffinose, D-ribose, L-rhamnose, salicin, D-saccharose, D-trehalose, and
D-xylose.
Can oxidize (Biolog): dextrin, glycogen, tweens 40 and 80, N-acetyl-D-glucosamine, L-arabinose, D-arabitol, D-cellobiose, D-fructose,
L-fucose, D-galactose, gentiobiose, alpha-D-glucose, alpha-D-lactose, lactulose, maltose, D-mannitol, D-mannose, D-melibiose,
beta-methyl-D-glucoside, D-psicose, D-raffinose, L-rhamnose, sucrose, D-trehalose, pyruvic acid methyl ester, succinic acid
mono-methyl ester, acetic acid, citric acid, formic acid, D-galactonic acid lactone, D-galacturonic acid, D-gluconic acid, malonic acid,
quinic acid, succinic acid, bromosuccinic 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, H2S production, indole production, lysine decarboxylase, ornithine
decarboxylase, oxidase, tryptophan deaminase, urea hydrolysis, Voges-Proskauer test, acid production from D-fucose and gluconate.
Variable results for oxidation of D-glucosaminic acid, D-glucuronic acid, D,L-lactic acid, D-saccharic acid and L-proline.
(c) Costin Stoica
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