Species ***Eubacterium* *nodatum***

Classification:

Bacteria Bacillati Bacillota Clostridia Eubacteriales Eubacteriaceae Eubacterium Eubacterium nodatum

Name: Eubacterium nodatum Holdeman et al. 1980

Category, proposed as: species, sp. nov.

Etymology: no.da’tum. L. neut. part. adj. nodatum, entangled, referring to the tangled arrangement of the cells

Pronunciation (Latin), gender: e͡u-bak-TE-ri-um no-DA-tum, neuter

Type strain: ATCC 33099; CCUG 15996; CIP 104213; DSM 3993; JCM 14550; JCM 9977; VPI D6A-5

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: Z36274 Analyse FASTA

Valid publication: Holdeman LV, Cato EP, Burmeister JA, Moore WEC. Descriptions of Eubacterium timidum sp. nov., Eubacterium brachy sp. nov., and Eubacterium nodatum sp. nov. isolated from human periodontitis. Int. J. Syst. Bacteriol. 1980; 30:163-169. 🇺🇸

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 -0.17217 (N = 4).
- 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human pathogen". — 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 2026-08-13. The full classification is: risk group = 2. — The risk group for Taiwan has been imported on 2024-11-03. The full classification is: risk group = 2, note = "P650 = v". — 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 166 times in PubMed until 2026-06-11.
- 🙆 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 (Reading) 2022; 168:0. 🇬🇧
- 🧍 According to Ludwig et al. (2021), this "species, together with E. minutum, are susceptible to being classified as a new genus". Publication: Ludwig W, Viver T, Westram R, Francisco Gago J, Bustos-Caparros E, Knittel K, Amann R, Rossello-Mora R. Release LTP_12_2020, featuring a new ARB alignment and improved 16S rRNA tree for prokaryotic type strains. Syst Appl Microbiol 2021; 44:126218. 🇪🇸

Parent taxon: Eubacterium Prévot 1938 (Approved Lists 1980)

Assigned by: Holdeman LV, Cato EP, Burmeister JA, Moore WEC. Descriptions of Eubacterium timidum sp. nov., Eubacterium brachy sp. nov., and Eubacterium nodatum sp. nov. isolated from human periodontitis. Int. J. Syst. Bacteriol. 1980; 30:163-169. 🇺🇸

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.776092Link copied to clipboard

Record number: 776092

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Species ***Eubacterium* *nodatum***