Name: Serpulina pilosicoli Trott et al. 1996

Category: Species

Proposed as: sp. nov.

Etymology: pi.lo.si’co.li. L. adj. pilosus -a -um, hairy, shaggy; L. neut. n. colon, colum, the colon; N.L. gen. neut. n. pilosicoli, of a hairy colon (referring to the fact that infection and attachment by this intestinal spirochete can result in the histological appearance of a hairy covering, false brush border, on the surface of the colon)

Pronunciation, gender: pi-lo-SI-ko-li, feminine

Type strain: ATCC 51139; P43/6/78

Conduct genome-based taxonomy at

16S rRNA gene: U23032 Analyse FASTA

Valid publication: Trott DJ, Stanton TB, Jensen NS, Duhamel GE, Johnson JL, Hampson DJ. Serpulina pilosicoli sp. nov., the agent of porcine intestinal spirochetosis. Int J Syst Bacteriol 1996; 46:206-215.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 46, part 1 of the IJSB. Int J Syst Bacteriol 1996; 46:627.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Brachyspira pilosicoli (Trott et al. 1996) Ochiai et al. 1998

Risk group: 2

• Synonyms:

  • Name	Kind
    Brachyspira pilosicoli (Trott et al. 1996) Ochiai et al. 1998	homotypic synonym, validly published under the ICNP

• Notes:
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • ❗ Serpulina pilosicoli is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Serpulina.
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human and 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 2023-10-29. The full classification is: risk group = 2, note = "ht". — 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 56 times in PubMed until 2025-06-04.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 Serpulina pilosicoli Trott et al. 1996 was previously known as "Anguillina coli". Publication: Lee JI, Hampson DJ, Lymbery AJ, Harders SJ. The porcine intestinal spirochaetes: identification of new genetic groups. Vet Microbiol 1993; 34:273-285.

Parent taxon: Serpulina Stanton 1992

Assigned by: Trott DJ, Stanton TB, Jensen NS, Duhamel GE, Johnson JL, Hampson DJ. Serpulina pilosicoli sp. nov., the agent of porcine intestinal spirochetosis. Int J Syst Bacteriol 1996; 46:206-215.

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Record number: 784882