Name: Brachyspira aalborgi Hovind-Hougen et al. 1983

Category: Species

Proposed as: sp. nov.

Etymology: aal’borg.i. N.L. gen. neut. n. aalborgi, of Aalborg, named for the Danish town Aalborg in which the rectal biopsies containing the spirochete were taken from human diarrheic patients

Gender: feminine

Type strain: 513A; ATCC 43994; CIP 104603; NCTC 11492

Conduct genome-based taxonomy at

16S rRNA gene: Z22781 Analyse FASTA

Effective publication: Hovind-Hougen K, Birch-Andersen A, Henrik-Nielsen R, Orholm M, Pedersen JO, Teglbjaerg PS, Thaysen EH. Intestinal spirochetosis: morphological characterization and cultivation of the spirochete Brachyspira aalborgi gen. nov., sp. nov. J Clin Microbiol 1982; 16:1127-1136.

IJSEM list: Anonymous. Validation list no. 12. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1983; 33:896-897.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Emendations:
  • Ochiai et al. 1997 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.
    Notes:
    • 🧍 Validation list no. 64 does not mention the emendation proposed by Ochiai et al.

• Notes:
  • 🥇 Nomenclatural type of the genus Brachyspira Hovind-Hougen et al. 1983. Publication: Hovind-Hougen K, Birch-Andersen A, Henrik-Nielsen R, Orholm M, Pedersen JO, Teglbjaerg PS, Thaysen EH. Intestinal spirochetosis: morphological characterization and cultivation of the spirochete Brachyspira aalborgi gen. nov., sp. nov. J Clin Microbiol 1982; 16:1127-1136.
  • 😷 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: 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 = 2, note = "ht".
  • 🎓 Name mentioned 72 times in PubMed until 2024-03-27.
  • 🧍 According to Bartlett et al. (2022), this species is an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology 2022; 168:0.

Parent taxon: Brachyspira Hovind-Hougen et al. 1983

Assigned by: Hovind-Hougen K, Birch-Andersen A, Henrik-Nielsen R, Orholm M, Pedersen JO, Teglbjaerg PS, Thaysen EH. Intestinal spirochetosis: morphological characterization and cultivation of the spirochete Brachyspira aalborgi gen. nov., sp. nov. J Clin Microbiol 1982; 16:1127-1136.

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Record number: 783546