Species "Fusobacterium polymorphum"

Name: "Fusobacterium polymorphum" Knorr 1922

Category: Species

Proposed as: sp. nov.

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

Pronunciation (Latin), gender: fu-so-bak-TE-ri-um po-ly-MOR-p^hum, neuter

Nomenclatural type: ATCC 10953; CCUG 9126; DSM 20482; JCM 12990; NCTC 10562

Conduct genome-based taxonomy at

16S rRNA gene: AB550231 Analyse FASTA

Original publication: Knorr M. Über die fusospirillare Symbiose, die Gattung Fusobacterium (K.B. Lehmann) und Spirillum sputigenum. Zugleich ein Beitrag zur Bakteriologie der Mundhöhle. II. Mitteilung. Die Gattung Fusobacterium. Zentralblatt für Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene, Abteilung I 1922; 89:4-22.

Nomenclatural status: not validly published

Taxonomic status: synonym (and no standing)

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

Risk group: 2

Synonyms:

Name	Kind
Fusobacterium polymorphum (Dzink et al. 1990 ex Knorr 1922) Kook et al. 2022	homotypic synonym, validly published under the ICNP
Fusobacterium nucleatum subsp. polymorphum (ex Knorr 1922) Dzink et al. 1990	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 Germany has been imported on 2026-08-13. 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.
- 🧍 See also De Araujo et al. (1963). Publication: Dearaujo WC, Varah E, Mergenhagen SE. IMMUNOCHEMICAL ANALYSIS OF HUMAN ORAL STRAINS OF FUSOBACTERIUM AND LEPTOTRICHIA. J Bacteriol 1963; 86:837-844.

Parent taxon: Fusobacterium Knorr 1922 (Approved Lists 1980)

Assigned by: Knorr M. Über die fusospirillare Symbiose, die Gattung Fusobacterium (K.B. Lehmann) und Spirillum sputigenum. Zugleich ein Beitrag zur Bakteriologie der Mundhöhle. II. Mitteilung. Die Gattung Fusobacterium. Zentralblatt für Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene, Abteilung I 1922; 89:4-22.

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.16143Link copied to clipboard

Record number: 16143

This LPSN page was printed on 2026-08-15 14:05:59

Support LPSN

Species "Fusobacterium polymorphum"