| Raoultella planticola |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Enterobacterales, Family Enterobacteriaceae, Genus Raoultella,
Raoultella planticola (Bagley et al. 1982) Drancourt et al. 2001.
Old synonyms: Klebsiella planticola Bagley et al. 1982, Klebsiella trevisanii
Ferragut et al. 1983.
Raoultella planticola (Bagley et al. 1982) Drancourt et al. 2001.
Old synonyms: Klebsiella planticola Bagley et al. 1982, Klebsiella trevisanii
Ferragut et al. 1983.
Gram-negative, straight rods, 0.3-1.0 μm x 0.6-6 μm. Non-motile. Capsulated.
Glistening moist colonies of varying degrees of stikiness (M–type colonies).
No special requirements. Facultatively anaerobic, optimum growth temperature 35 -
37 ºC. Can grow at 5 ºC. Media: Nutrient agar or Nutrient broth, Trypticase Soy Agar ±
5% sheep blood, Mac Conkey agar, Mueller-Hinton agar.
No special requirements. Facultatively anaerobic, optimum growth temperature 35 -
37 ºC. Can grow at 5 ºC. Media: Nutrient agar or Nutrient broth, Trypticase Soy Agar ±
5% sheep blood, Mac Conkey agar, Mueller-Hinton agar.
Widely distributed in nature. Isolated from botanical, aquatic, and soil environments. It is capable of fixing nitrogen.
Undetermined.
- J. G. Holt et al., 1994. Facultatively Anaerobic Gram-Negative Rods. Subgroup 1. Family Enterobacteriaceae. In: Begey’s Manual of
Determinative Bacteriology, 9th-edition, Williams & Wilkins, pp 175-189. - Don J. Brenner and J.J. Farmer III, 2001. Family I. Enterobacteriaceae. In: Bergey’s Manual of Systematic Bacteriology, Second
edition, Vol two, part B, George M. Garrity (Editor-in-Chief), pp 587-897. - M. Drancourt, C. Bollet, A. Carta, and P. Rousselier. Phylogenetic analyses of Klebsiella species delineate Klebsiella and
Raoultella gen. nov., with description of Raoultella ornithinolytica comb. nov., Raoultella terrigena comb. nov. and Raoultella
planticola comb. nov. Int J Syst Evol Microbiol May 2001 51:925-32. - Adeolu M, Alnajar S, Naushad S, S Gupta R. Genome-based phylogeny and taxonomy of the 'Enterobacteriales': proposal for
Enterobacterales ord. nov. divided into the families Enterobacteriaceae, Erwiniaceae fam. nov., Pectobacteriaceae fam. nov.,
Yersiniaceae fam. nov., Hafniaceae fam. nov., Morganellaceae fam. nov., and Budviciaceae fam. nov. Int J Syst Evol Microbiol
2016; 66:5575-5599.
Positive results for citrate utilization, tartrate utilization, ONPG, lysine decarboxylase, catalase, malonate test, nitrate reduction, esculin
hydrolysis (most strains), acid production from: L-arabinose, D-adonitol, cellobiose, glucose, mannitol, melibiose, maltose,
D-mannose, raffinose, salicin, trehalose and D-xylose.
Negative results for oxidase, arginine dihydrolase, H2S production, phenylalanine deaminase, gelatin hydrolysis, DN-ase and lipase.
Variable results for acetate utilization, methyl red test, acid production from dulcitol.
hydrolysis (most strains), acid production from: L-arabinose, D-adonitol, cellobiose, glucose, mannitol, melibiose, maltose,
D-mannose, raffinose, salicin, trehalose and D-xylose.
Negative results for oxidase, arginine dihydrolase, H2S production, phenylalanine deaminase, gelatin hydrolysis, DN-ase and lipase.
Variable results for acetate utilization, methyl red test, acid production from dulcitol.
(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
