Species Escherichia hermannii

Name: Escherichia hermannii Brenner et al. 1983

Category, proposed as: species, sp. nov.

Etymology: her.man’ni.i. N.L. gen. masc. n. hermannii, of Hermann, named in honor of George J. Hermann, former chief of the Enteric Section at the CDC, for his many contributions to enteric bacteriology, and Lloyd G. Herman, formerly of the Environmental Services Branch, National Institutes of Health, Bethesda, MD, for his contributions to the study of yellow-pigmented bacteria

Pronunciation (Latin), gender: e-s͡he-RI-k^hi-a her-MAN-ni-i, feminine

Type strain: ATCC 33650; CCUG 15714; CDC 980; CDC 980-72; CIP 103176; CIP 104946; DSM 4560; HAMBI 1693; JCM 1473; LMG 7867; NBRC 105704

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: JN175345 Analyse FASTA

Effective publication: Brenner DJ, Davis BR, Steigerwalt AG, Riddle CF, McWhorter AC, Allen SD, Farmer JJ, Saitoh Y, Fanning GR. Atypical biogroups of Escherichia coli found in clinical specimens and description of Escherichia hermannii sp. nov. J Clin Microbiol 1982; 15:703-713. 🇺🇸

IJSEM list: Anonymous. Validation list no. 10. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1983; 33:438-440.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Synonyms:

  • Name	Kind
    "Escherichia hermannii" Dif et al. 2025	homotypic synonym, not validly published
    Atlantibacter hermannii (Brenner et al. 1983) Hata et al. 2025	homotypic synonym, validly published under the ICNP

• Notes:
  • 😷 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 = "default: 2 Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2; ATCC 700368: 1 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. — The risk group for Germany has been imported on 2026-08-13. 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". — 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 49 times in PubMed until 2026-06-11.
  • 🪓 Organisms assigned to this species have previously been classified as Escherichia coli (Migula 1895) Castellani and Chalmers 1919 (Approved Lists 1980). Publication: Castellani A, Chalmers AJ. Manual of Tropical Medicine, 3rd ed. Williams Wood and Co., New York, 1919. Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.
  • 🫡 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. This name is not taxonomically suspended any more in favour of Escherichia coli (Migula 1895) Castellani and Chalmers 1919 (Approved Lists 1980). Publication: Castellani A, Chalmers AJ. Manual of Tropical Medicine, 3rd ed. Williams Wood and Co., New York, 1919. Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.
  • ⚠ This name is retained (and recommended for medical use. This will change in the future) instead of Atlantibacter hermannii (Brenner et al. 1983) Hata et al. 2025. Publication: Hata H, Natori T, Mizuno T, Kanazawa I, Eldesouky I, Hayashi M, Miyata M, Fukunaga H, Ohji S, Hosoyama A, et al. Phylogenetics of family Enterobacteriaceae and proposal to reclassify Escherichia hermannii and Salmonella subterranea as Atlantibacter hermannii and Atlantibacter subterranea gen. nov., comb. nov. Microbiol Immunol 2016; 60:303-311. 🇯🇵 Oren A, Göker M. Validation list no. 221. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2025; 75:6562.
  • 🧍 Escherichia hermannii Brenner et al. 1983 was previously known as CDC Enteric Group 11. Publication: Palleroni NJ. Genus I. Pseudomonas Migula 1894, 237 AL (Nom. Cons., Opin. 5 of the Jud. Comm. 1952, 121). In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, second edition, vol. (The Proteobacteria), part B (The Gammaproteobacteria), Springer, New York, 2005, p. 323-379. 🇺🇸

Parent taxon: Escherichia Castellani and Chalmers 1919 (Approved Lists 1980)

Assigned by: Brenner DJ, Davis BR, Steigerwalt AG, Riddle CF, McWhorter AC, Allen SD, Farmer JJ, Saitoh Y, Fanning GR. Atypical biogroups of Escherichia coli found in clinical specimens and description of Escherichia hermannii sp. nov. J Clin Microbiol 1982; 15:703-713. 🇺🇸

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.776060Copy to clipboardLink copied to clipboard

Record number: 776060