Name: Ehrlichia muris Wen et al. 1995

Category: Species

Proposed as: sp. nov.

Etymology: mu’ris. L. gen. masc./fem. n. muris, of the mouse, the species was first isolated from a mouse

Gender: feminine

Type strain: AS145; Asuke; ATCC VR-1411; CRIRC EMU001; CSUR E2

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: U15527 Analyse FASTA

Valid publication: Wen B, Rikihisa Y, Mott J, Fuerst PA, Kawahara M, Suto C. Ehrlichia muris sp. nov., identified on the basis of 16S rRNA base sequences and serological, morphological, and biological characteristics. Int J Syst Bacteriol 1995; 45:250-254.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 45, part 2 of the IJSB. Int J Syst Bacteriol 1995; 45:621.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Emendations:
  • Dumler et al. 2001 Dumler JS, Barbet AF, Bekker CP, Dasch GA, Palmer GH, Ray SC, Rikihisa Y, Rurangirwa FR. Reorganization of genera in the families Rickettsiaceae and Anaplasmataceae in the order Rickettsiales: unification of some species of Ehrlichia with Anaplasma, Cowdria with Ehrlichia and Ehrlichia with Neorickettsia, descriptions of six new species combinations and designation of Ehrlichia equi and 'HGE agent' as subjective synonyms of Ehrlichia phagocytophila. Int J Syst Evol Microbiol 2001; 51:2145-2165. Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 51, part 6 of the IJSEM. Int J Syst Evol Microbiol 2002; 52:5-6.
  • Pritt et al. 2017 Pritt BS, Allerdice MEJ, Sloan LM, Paddock CD, Munderloh UG, Rikihisa Y, Tajima T, Paskewitz SM, Neitzel DF, Hoang Johnson DK, et al. Proposal to reclassify Ehrlichia muris as Ehrlichia muris subsp. muris subsp. nov. and description of Ehrlichia muris subsp. eauclairensis subsp. nov., a newly recognized tick-borne pathogen of humans. Int J Syst Evol Microbiol 2017; 67:2121-2126. Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 67, part 7 of the IJSEM. Int J Syst Evol Microbiol 2017; 67:3689-3691.
  • Hördt et al. 2020 Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468. Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.

• Notes:
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — 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 = "Z".
  • 🎓 Name mentioned 120 times in PubMed until 2024-03-27.

Subdivision:

Number of child taxa with a validly published and correct name: 2
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Ehrlichia muris subsp. eauclairensis Pritt et al. 2017	validly published under the ICNP	correct name
    Ehrlichia muris subsp. muris (Wen et al. 1995) Pritt et al. 2017	validly published under the ICNP	correct name

Parent taxon: Ehrlichia Moshkovski 1945 (Approved Lists 1980)

Assigned by: Wen B, Rikihisa Y, Mott J, Fuerst PA, Kawahara M, Suto C. Ehrlichia muris sp. nov., identified on the basis of 16S rRNA base sequences and serological, morphological, and biological characteristics. Int J Syst Bacteriol 1995; 45:250-254.

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Record number: 783760