Name: Citrobacter murliniae Brenner et al. 2000

Category: Species

Proposed as: sp. nov.

Etymology: mur.li’ni.ae. N.L. gen. fem. n. murliniae, to honor Alma C. McWhorter-Murlin, an American microbiologist, who, during her 39-year career at the Centers for Disease Control and Prevention, made substantial contributions to our knowledge of Salmonella serotyping and Citrobacter and to the taxonomy of a number of species in the family Enterobacteriaceae [3, 4, 9, 10]

Pronunciation (Latin), gender: ki-tro-BAK-ter mur-LI-ni-a͡e, masculine

Type strain: 2970-59; ATCC 51118; CCUG 30797; CDC 2970-59; CIP 104556; DSM 13695

See detailed strain information at

16S rRNA gene: AF025369 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 (and explicitly recommended for medical use)

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 17 times in PubMed until 2026-06-11.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 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 (Reading) 2022; 168:0. 🇬🇧
  • 🧍 Citrobacter murliniae Brenner et al. 2000 was previously known as Citrobacter genomospecies11. 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: 774753