Name: Citrobacter rodentium Schauer et al. 1996

Category: Species

Proposed as: sp. nov.

Etymology: ro.den’ti.um. L. pres. part. rodens, gnawing; N.L. gen. neut. pl. n. rodentium, of rodents (gnawing animals)

Gender: masculine

Type strain: ATCC 51116; CCUG 30795; CDC 1843-73; CIP 104675; DSM 16636

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF025363 Analyse FASTA

Effective publication: Schauer DB, Zabel BA, Pedraza IF, O'Hara CM, Steigerwalt AG, Brenner DJ. Genetic and biochemical characterization of Citrobacter rodentium sp. nov. J Clin Microbiol 1995; 33:2064-2068.

IJSEM list: Anonymous. Validation list no. 56. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1996; 46:362-363.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Notes:
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 1, note = "animal pathogen - biological class of risk animal: 2". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 2 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2, note = "PV". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2, note = "t".
  • 🎓 Name mentioned 965 times in PubMed until 2024-03-27.
  • 🧍 According to Bartlett et al. (2022), this species is an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology 2022; 168:0.
  • 🧍 Citrobacter rodentium Schauer et al. 1996 was previously known as Citrobacter sp. biovar 4280 and Citrobacter genomospecies 9. Publication: Werkman CH, Gillen GF. Bacteria Producing Trimethylene Glycol. J Bacteriol 1932; 23:167-182.

Parent taxon: Citrobacter Werkman and Gillen 1932 (Approved Lists 1980)

Assigned by: Schauer DB, Zabel BA, Pedraza IF, O'Hara CM, Steigerwalt AG, Brenner DJ. Genetic and biochemical characterization of Citrobacter rodentium sp. nov. J Clin Microbiol 1995; 33:2064-2068.

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Record number: 774754