Name: Brachyspira alvinipulli corrig. Stanton et al. 1998

Category: Species

Proposed as: sp. nov.

Etymology: al.vi.ni.pul’li. L. masc. adj. alvinus, suffering from diarrhea; L. masc. adj. pullus, a young fowl, a chicken; N.L. gen. masc./neut. n. alvinipulli, of a diarrhaeic chicken, referring to the host animal from which spirochete was isolated

Pronunciation (Latin), gender: bra-k^hy-SPI-ra al-wi-ni-PUL-li, feminine

Type strain: ATCC 51933; C1; CIP 105681

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EF455559 Analyse FASTA

Valid publication: Stanton TB, Postic D, Jensen NS. Serpulina alvinipulli sp. nov., a new Serpulina species that is enteropathogenic for chickens. Int J Syst Bacteriol 1998; 48:669-676. 🇺🇸

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Synonyms:

  • Name	Kind
    Serpulina alvinipulli Stanton et al. 1998	other spelling of name, inaccurate spelling

• Emendations:
  • 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 genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project.

• Notes:
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 1, note = "animal pathogen - biological class of risk animal: 2". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 2 - 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 2026-08-13. The full classification is: risk group = 2, note = "t". — 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 11 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.
  • 🧍 This name was not found in the expected IJSEM notification list.
  • 🧍 NOTE ADDED IN PROOF: "In accordance with the rules of taxonomy, the bacterium characterized in this paper (Serpulina alvinipulli) should be designated Brachyspira alvinipulli sp. nov."; IJSB 48:675. Publication: Stanton TB, Postic D, Jensen NS. Serpulina alvinipulli sp. nov., a new Serpulina species that is enteropathogenic for chickens. Int J Syst Bacteriol 1998; 48:669-676. 🇺🇸
  • 🧍 In January 1998, the unification of the genera Serpulina and Brachyspira, and the transfer of Serpulina hyodysenteriae (the type species of the genus Serpulina) to the genus Brachyspira as Brachyspira hyodysenteriae, have been validly published [1, 2]. So, according to Rule 37a, the name Serpulina must be changed to Brachyspira. Publication: Anonymous. Validation list no. 64. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1998; 48:327-328.
  • 🧍 In the paper by Stanton et al. [3] Brachyspira alvinipulli is designated as Serpulina alvinipulli. However, in a note added in proof, Stanton et al. [3] write: "In accordance with the rules of taxonomy, the bacterium characterized in this paper should be designated Brachyspira alvinipulli sp. nov.". Publication: Stanton TB, Postic D, Jensen NS. Serpulina alvinipulli sp. nov., a new Serpulina species that is enteropathogenic for chickens. Int J Syst Bacteriol 1998; 48:669-676. 🇺🇸
  • 🧍 See also: Publication: Ochiai S, Adachi Y, Mori K. Unification of the genera Serpulina and Brachyspira, and proposals of Brachyspira hyodysenteriae Comb. Nov., Brachyspira innocens Comb. Nov. and Brachyspira pilosicoli Comb. Nov. Microbiol Immunol 1997; 41:445-452.

Parent taxon: Brachyspira Hovind-Hougen et al. 1983

Assigned by: Stanton TB, Postic D, Jensen NS. Serpulina alvinipulli sp. nov., a new Serpulina species that is enteropathogenic for chickens. Int J Syst Bacteriol 1998; 48:669-676. 🇺🇸

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Record number: 783547