Name: Dysgonomonas hofstadii Lawson et al. 2010

Category: Species

Proposed as: sp. nov.

Etymology: hof.stad’i.i. N.L. gen. masc. n. hofstadii, of Hofstad, named after Tor Hofstad, a Norwegian microbiologist, in recognition of his contributions to anaerobic microbiology

Gender: feminine

Type strain: CCM 7606; CCUG 54731; JCM 17038; MX 1040

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB588022 Analyse FASTA

Effective publication: Lawson PA, Carlson P, Wernersson S, Moore ER, Falsen E. Dysgonomonas hofstadii sp. nov., isolated from a human clinical source. Anaerobe 2010; 16:161-164.

IJSEM list: Euzeby JP. Validation list no. 134. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2010; 60:1477-1479.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • García-López et al. 2019 Garcia-Lopez M, Meier-Kolthoff JP, Tindall BJ, Gronow S, Woyke T, Kyrpides NC, Hahnke RL, Goker M. Analysis of 1,000 Type-Strain Genomes Improves Taxonomic Classification of Bacteroidetes. Front Microbiol 2019; 10:2083. 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 Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "+". — 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 1 time in PubMed until 2024-03-27.
  • 🧍 According to Bartlett et al. (2022), this species is a putative 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: Dysgonomonas Hofstad et al. 2000

Assigned by: Lawson PA, Carlson P, Wernersson S, Moore ER, Falsen E. Dysgonomonas hofstadii sp. nov., isolated from a human clinical source. Anaerobe 2010; 16:161-164.

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Record number: 788560