Name: Borrelia (Swellengrebel 1907) Margos et al. 2026

Category: Subgenus

Proposed as: subgen. nov.

Etymology: Bor.re’li.a. N.L. fem. n. Borrelia, named after Amedee Borrel

Pronunciation (Latin), gender: bor-RE-li-a, feminine (stem: Borreli-)

Effective publication: Margos G, Stevenson B, Birtles R, Gofton A, Talagrand-Reboul E, Goeker M, Fingerle V. Proposing a subgenus Borreliella. Ticks Tick Borne Dis 2025; 16:102536. 🇩🇪

IJSEM list: Oren A, Göker M. Validation list no. 227. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2026; 76:6989.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Notes:
  • 🧕 Margos et al. (2025) assigned this subgenus to the genus Borrelia Swellengrebel 1907 (Approved Lists 1980). Publication: Margos G, Stevenson B, Birtles R, Gofton A, Talagrand-Reboul E, Goeker M, Fingerle V. Proposing a subgenus Borreliella. Ticks Tick Borne Dis 2025; 16:102536. 🇩🇪
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Barrelia"; "Barrwlia"; "Boirelia"; "Bonelia"; "Bonrelia"; "Boreelia"; "Borielia"; "Bornelia"; "Borrclia"; "Borrefia"; "Borreha"; "Borrehia"; "Borreiia"; "Borreila"; "Borrela"; "Borrelio"; "Borreliu"; "Borrella"; "Borrellia"; "Borrelta"; "Borrelu"; "Borrelua"; "Borrolia"; "Borrplia"; "Borrrelia"; "Bortelia"; "Borvelia"; "Botrelia"; "Bovvelia"; "Bowelia"; "Burralia"; "Burrelia"; "Horrelia"; "Jorrelia"; "Korrelia"; "Rolrelia"; "Rorrelia".
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Stevenson B, Margos G. International Committee on Systematics of Prokaryotes subcommittee on the taxonomy of Borrelia: minutes of the second meeting. Online meeting, 9 January 2025. Int J Syst Evol Microbiol 2025; 75:6873. 🇺🇸
  • 😵 The taxonomic category of this name is not currently in use in the LPSN hierarchy. For this reason, this name does not have a parent taxon and does not have child taxa.
  • 😷 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 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.

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Record number: 70442