Name: Fusobacterium nucleatum subsp. polymorphum (ex Knorr 1922) Dzink et al. 1990

Category: Subspecies

Proposed as: subsp. nov., nom. rev.

Etymology: po.ly.mor’phum. N.L. neut. adj. polymorphum, multiform, polymorphic; from Gr. masc. adj. polymorphos

Gender: neuter

Type strain: ATCC 10953; CCUG 9126; DSM 20482; JCM 12990; NCTC 10562

Conduct genome-based taxonomy at

16S rRNA gene: AB550231 Analyse FASTA

Valid publication: Dzink JL, Sheenan MT, Socransky SS. Proposal of three subspecies of Fusobacterium nucleatum Knorr 1922: Fusobacterium nucleatum subsp. nucleatum subsp. nov., comb. nov.; Fusobacterium nucleatum subsp. polymorphum subsp. nov., nom. rev., comb. nov.; and Fusobacterium nucleatum subsp. vincentii subsp. nov., nom. rev., comb. nov. Int J Syst Bacteriol 1990; 40:74-78.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Synonyms:

  • Name	Kind
    "Fusobacterium polymorphum" Knorr 1922	homotypic synonym, not validly published, distinct rank
    Fusobacterium polymorphum (Dzink et al. 1990 ex Knorr 1922) Kook et al. 2022	homotypic synonym, validly published under the ICNP, distinct rank

• 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 = 2.

Parent taxon: Fusobacterium nucleatum Knorr 1922 (Approved Lists 1980)

Assigned by: Dzink JL, Sheenan MT, Socransky SS. Proposal of three subspecies of Fusobacterium nucleatum Knorr 1922: Fusobacterium nucleatum subsp. nucleatum subsp. nov., comb. nov.; Fusobacterium nucleatum subsp. polymorphum subsp. nov., nom. rev., comb. nov.; and Fusobacterium nucleatum subsp. vincentii subsp. nov., nom. rev., comb. nov. Int J Syst Bacteriol 1990; 40:74-78.

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Record number: 776409