Name: Afipia birgiae La Scola et al. 2002

Category: Species

Proposed as: sp. nov.

Etymology: bir’gi.ae. N.L. gen. fem. n. birgiae, of Birg, in honour of Marie-Laure Birg, a technician, for her many contributions to the isolation of strict intracellular bacteria, especially Tropheryma whipplei

Pronunciation (Latin), gender: … BIR-gi-a͡e, feminine

Type strain: 34632; CCUG 43108; CIP 106344; DSM 17499

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF288304 Analyse FASTA

Valid publication: La Scola B, Mallet MN, Grimont PA, Raoult D. Description of Afipia birgiae sp. nov. and Afipia massiliensis sp. nov. and recognition of Afipia felis genospecies A. Int J Syst Evol Microbiol 2002; 52:1773-1782. 🇫🇷

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 52, part 5 of the IJSEM. Int J Syst Evol Microbiol 2003; 53:3-5.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• 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 risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 1 - 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 = 1. — 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 3 times in PubMed until 2025-06-04.
  • 🙆 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.

Parent taxon: Afipia Brenner et al. 1992

Assigned by: La Scola B, Mallet MN, Grimont PA, Raoult D. Description of Afipia birgiae sp. nov. and Afipia massiliensis sp. nov. and recognition of Afipia felis genospecies A. Int J Syst Evol Microbiol 2002; 52:1773-1782. 🇫🇷

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Record number: 772928