Name: Dysgonomonas capnocytophagoides Hofstad et al. 2000

Category: Species

Proposed as: sp. nov.

Etymology: cap.no.cy.to.pha.goi’des. Gr. masc. n. kapnos, smoke; Gr. neut. n. kytos, hollow vessel; Gr. inf. v. phageîn, to eat; L. adj. suff. -oides, alike; N.L. fem. adj. capnocytophagoides, capnocytophaga-like, referring to some properties shared between these organisms

Gender: feminine

Type strain: CCUG 17996; CIP 107043; DSM 22835; JCM 16697; LMG 11519

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB548674 Analyse FASTA

Valid publication: Hofstad T, Olsen I, Eribe ER, Falsen E, Collins MD, Lawson PA. Dysgonomonas gen. nov. to accommodate Dysgonomonas gadei sp. nov., an organism isolated from a human gall bladder, and Dysgonomonas capnocytophagoides (formerly CDC group DF-3). Int J Syst Evol Microbiol 2000; 50:2189-2195.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 50, part 6 of the IJSEM. Int J Syst Evol Microbiol 2001; 51:267-268.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.04855 (N = 4).
  • 😷 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. — 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 11 times in PubMed until 2024-03-28.
  • 🙆 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.
  • 🧍 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.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Hahnke RL, Meier-Kolthoff JP, Garcia-Lopez M, Mukherjee S, Huntemann M, Ivanova NN, Woyke T, Kyrpides NC, Klenk HP, Goker M. Genome-Based Taxonomic Classification of Bacteroidetes. Front Microbiol 2016; 7:2003.
  • 🧍 Dysgonomonas capnocytophagoides Hofstad et al. 2000 was previously known as CDC group DF-3. Publication: Wallace PL, Hollis DG, Weaver RE, Moss CW. Characterization of CDC group DF-3 by cellular fatty acid analysis. J Clin Microbiol 1989; 27:735-737.

Parent taxon: Dysgonomonas Hofstad et al. 2000

Assigned by: Hofstad T, Olsen I, Eribe ER, Falsen E, Collins MD, Lawson PA. Dysgonomonas gen. nov. to accommodate Dysgonomonas gadei sp. nov., an organism isolated from a human gall bladder, and Dysgonomonas capnocytophagoides (formerly CDC group DF-3). Int J Syst Evol Microbiol 2000; 50:2189-2195.

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Record number: 783749