Name: Proteus faecis Dai et al. 2019

Category: Species

Proposed as: sp. nov.

Etymology: fae’cis. L. gen. fem. n. faecis, of dregs, referring to faecal origin

Pronunciation: FA͡E-kis

Type strain: DSM 106180; GDMCC 1.1245; TJ1636

Conduct genome-based taxonomy at

16S rRNA gene: MG269469 Analyse FASTA

Valid publication: Dai H, Chen A, Wang Y, Lu B, Wang Y, Chen J, Huang Y, Li Z, Fang Y, Xiao T, et al. Proteus faecis sp. nov., and Proteus cibi sp. nov., two new species isolated from food and clinical samples in China. Int J Syst Evol Microbiol 2019; 69:852-858.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 69, part 3 of the IJSEM. Int J Syst Evol Microbiol 2019; 69:1529-1530.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

• Notes:
  • 🎓 Name mentioned 5 times in PubMed until 2025-06-04.
  • 🙆 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 pathogenicity of the species itself.
  • 🧍 According to Bartlett et al. (2022), this species is a putative human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology (Reading) 2022; 168:0.

Parent taxon: Proteus Hauser 1885 (Approved Lists 1980)

Assigned by: Dai H, Chen A, Wang Y, Lu B, Wang Y, Chen J, Huang Y, Li Z, Fang Y, Xiao T, et al. Proteus faecis sp. nov., and Proteus cibi sp. nov., two new species isolated from food and clinical samples in China. Int J Syst Evol Microbiol 2019; 69:852-858.

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Record number: 800143