Name: Proteus mirabilis Hauser 1885 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: mi.ra’bi.lis. L. masc. adj. mirabilis, wonderful, surprising

Pronunciation: mi-RA-bi-lis

Type strain: ATCC 29906; CCUG 26767; CIP 103181; DSM 4479; JCM 1669; LMG 3257; NBIMCC 8747; NCTC 11938

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: PP340489 Analyse FASTA

Effective publication: Hauser G. Über Fäulnissbakterien und deren Beziehungen zur Septicämie. Ein Beitrag zur Morphologie der Spaltpilze. Vogel, Leipzig, 1885.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.12003 (N = 3).
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human pathogen". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 1 - 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. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2, note = "ht". — The risk group for France has been imported on 2024-08-30. The full classification is: risk group = 2. — The risk group for Sweden has been imported on 2024-02-05. The full classification is: risk group = 2. — The risk group for Taiwan has been imported on 2024-11-03. The full classification is: risk group = 2, note = "P650 = v". — The risk group for United Kingdom has been imported on 2024-01-31. 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 6422 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 risk group of the species itself.
  • 🧍 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 (Reading) 2022; 168:0. 🇬🇧

Parent taxon: Proteus Hauser 1885 (Approved Lists 1980)

Assigned by: Hauser G. Über Fäulnissbakterien und deren Beziehungen zur Septicämie. Ein Beitrag zur Morphologie der Spaltpilze. Vogel, Leipzig, 1885.

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Record number: 779875