Name: Dichelobacter nodosus (Beveridge 1941) Dewhirst et al. 1990

Category: Species

Proposed as: comb. nov.

Basonym: "Fusiformis nodosus" Beveridge 1941

Etymology: no.do’sus. L. masc. adj. nodosus, full of knots, referring to the shape of the cells

Gender: masculine

Type strain: ATCC 25549; CCUG 27824; CIP 107042; DSM 23057; VPI 2340

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: JN175347 Analyse FASTA

Valid publication: Dewhirst FE, Paster BJ, La Fontaine S, Rood JI. Transfer of Kingella indologenes (Snell and Lapage 1976) to the genus Suttonella gen. nov. as Suttonella indologenes comb. nov.; transfer of Bacteroides nodosus (Beveridge 1941) to the genus Dichelobacter gen. nov. as Dichelobacter nodosus comb. nov.; and assignment of the genera Cardiobacterium, Dichelobacter, and Suttonella to Cardiobacteriaceae fam. nov. in the gamma division of Proteobacteria on the basis of 16S rRNA sequence comparisons. Int J Syst Bacteriol 1990; 40:426-433.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Synonyms:

  • Name	Kind
    "Fusiformis nodosus" Beveridge 1941	homotypic synonym, not validly published, basonym of name in Approved Lists
    Bacteroides nodosus (Beveridge 1941) Mraz 1963 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Dichelobacter Dewhirst et al. 1990. Publication: Dewhirst FE, Paster BJ, La Fontaine S, Rood JI. Transfer of Kingella indologenes (Snell and Lapage 1976) to the genus Suttonella gen. nov. as Suttonella indologenes comb. nov.; transfer of Bacteroides nodosus (Beveridge 1941) to the genus Dichelobacter gen. nov. as Dichelobacter nodosus comb. nov.; and assignment of the genera Cardiobacterium, Dichelobacter, and Suttonella to Cardiobacteriaceae fam. nov. in the gamma division of Proteobacteria on the basis of 16S rRNA sequence comparisons. Int J Syst Bacteriol 1990; 40:426-433.
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 1, note = "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 = 1, 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 Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2, note = "PV". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2, note = "t". — 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 312 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: Dichelobacter Dewhirst et al. 1990

Assigned by: Dewhirst FE, Paster BJ, La Fontaine S, Rood JI. Transfer of Kingella indologenes (Snell and Lapage 1976) to the genus Suttonella gen. nov. as Suttonella indologenes comb. nov.; transfer of Bacteroides nodosus (Beveridge 1941) to the genus Dichelobacter gen. nov. as Dichelobacter nodosus comb. nov.; and assignment of the genera Cardiobacterium, Dichelobacter, and Suttonella to Cardiobacteriaceae fam. nov. in the gamma division of Proteobacteria on the basis of 16S rRNA sequence comparisons. Int J Syst Bacteriol 1990; 40:426-433.

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Record number: 775764