Raoultella

The genus Raoultella is composed of Gram-negative, oxidase-negative, aerobic, nonmotile, capsulated, facultatively anaerobic rods (formerly designated Klebsiella) in the family Enterobacteriaceae. It is named after the French bacteriologist Didier Raoult.[1]

Raoultella
Raoultella planticola
Scientific classification
Domain:
Bacteria
Phylum:
Proteobacteria
Class:
Gammaproteobacteria
Order:
Enterobacterales
Family:
Enterobacteriaceae
Genus:
Raoultella

Drancourt et al., 2001
Species

Raoultella electrica
Raoultella ornithinolytica
Raoultella planticola
Raoultella terrigena

Members of genus Raoultella grow at 10 °C consistent with their recovery from plants, soil, and water, whereas members of Klebsiella (Klebsiella oxytoca is an exception, and a proposal to classify K. oxytoca in a separate, unnamed genus has been made).[2] do not grow at 10 °C and are mainly recovered from mammals' mucosae.

It consists of species Raoultella electrica, Raoultella ornithinolytica, Raoultella planticola and Raoultella terrigena.[3]

A phylogenetic tree of Klebsiella, based on a 2.93-Mbp alignment, unambiguously places R. ornithinolytica sister to K. oxytoca within the larger Klebsiella phylogeny and suggests abandoning the genus Raoultella designation.[4]

Type species for this genus are:

  • Raoultella electrica 1GBT[5]
  • Raoultella ornithinolytica ATCC 31898T[1]
  • Raoultella planticola ATCC 33531T[1]
  • Raoultella terrigena ATCC 33257T[1]


References
  1. Drancourt, M; Bollet, C; Carta, A; Rousselier, P (May 2001). "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". International Journal of Systematic and Evolutionary Microbiology. 51 (Pt 3): 925–32. doi:10.1099/00207713-51-3-925. PMID 11411716.
  2. Jain, K.; Radsak, K.; Mannheim, W. (1974). "Differentiation of the Oxytocum group from Klebsiella by deoxyribonucleic acid hybridization". Int J Syst Bacteriol. 24 (4): 402–407. doi:10.1099/00207713-24-4-402.
  3. J.P. Euzéby: List of Prokaryotic names with Standing in Nomenclature – integrated into the DSMZ’s Prokaryotic Nomenclature Up-to-date (PNU) database
  4. Hudson, Corey; Bent, Zachary; Meagher, Robert; Williams, Kelly (June 6, 2014). "Resistance Determinants and Mobile Genetic Elements of an NDM-1-Encoding Klebsiella pneumoniae Strain". PLOS ONE. 9: e99209. doi:10.1371/journal.pone.0099209. PMC 4048246. PMID 24905728.
  5. Kimura, Z; Chung, KM; Itoh, H; Hiraishi, A; Okabe, S (April 2014). "Raoultella electrica sp. nov., isolated from anodic biofilms of a glucose-fed microbial fuel cell". International Journal of Systematic and Evolutionary Microbiology. 64 (Pt 4): 1384–8. doi:10.1099/ijs.0.058826-0. PMID 24449794.


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