Name: Citrobacter gillenii Brenner et al. 2000

Category: Species

Proposed as: sp. nov.

Etymology: gil.len’i.i. N.L. gen. masc. n. gillenii, to honor George Francis Gillen, an American microbiologist, who, along with C. H. Werkman, studied the fermentative production of trimethylene glycol from glycerol and proposed the genus Citrobacter [15]

Gender: masculine

Type strain: 4693-86; ATCC 51117; CCUG 30796; CDC 4693-86; CIP 106783; DSM 13694

See detailed strain information at

16S rRNA gene: AF025367 Analyse FASTA

Effective publication: Brenner DJ, O'Hara CM, Grimont PA, Janda JM, Falsen E, Aldova E, Ageron E, Schindler J, Abbott SL, Steigerwalt AG. Biochemical identification of Citrobacter species defined by DNA hybridization and description of Citrobacter gillenii sp. nov. (formerly Citrobacter genomospecies 10) and Citrobacter murliniae sp. nov. (formerly Citrobacter genomospecies 11). J Clin Microbiol 1999; 37:2619-2624.

IJSEM list: Anonymous. Validation list no. 73. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2000; 50:423-424.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Notes:
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 22 times in PubMed until 2024-03-27.
  • 🧍 According to Bartlett et al. (2022), no evidence of human infection was found for this species. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology 2022; 168:0.
  • 🧍 Citrobacter gillenii Brenner et al. 2000 was previously known as Citrobacter genomospecies10. 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: Brenner DJ, O'Hara CM, Grimont PA, Janda JM, Falsen E, Aldova E, Ageron E, Schindler J, Abbott SL, Steigerwalt AG. Biochemical identification of Citrobacter species defined by DNA hybridization and description of Citrobacter gillenii sp. nov. (formerly Citrobacter genomospecies 10) and Citrobacter murliniae sp. nov. (formerly Citrobacter genomospecies 11). J Clin Microbiol 1999; 37:2619-2624.

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Record number: 774750