Species ***Bacteroides* *nordii***

Name: Bacteroides nordii Song et al. 2005

Category: Species

Proposed as: sp. nov.

Etymology: nor’di.i. N.L. gen. masc. n. nordii, of Nord, to honor Carl Erik Nord, who has contributed so much to our kwowledge of anaerobic bacteriology in general and intestinal bacteriology

Pronunciation (Latin), gender: bak-ter-o-I-des NOR-di-i, masculine

Type strain: ATCC BAA-998; CCUG 48943; DSM 18764; JCM 12987; WAL 11050

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EU136693 Analyse FASTA

Effective publication: Song YL, Liu CX, McTeague M, Finegold SM. "Bacteroides nordii" sp. nov. and "Bacteroides salyersae" sp. nov. isolated from clinical specimens of human intestinal origin. J Clin Microbiol 2004; 42:5565-5570. 🇺🇸

IJSEM list: Euzeby JP. Validation list no. 103. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2005; 55:983-985.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

Notes:
- 😷 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 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. — 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 14 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. 🇬🇧
- 🧍 The phylogenetic position of this species was determined in a genome-scale analysis by García-López et al. (2019). Publication: Garcia-Lopez M, Meier-Kolthoff JP, Tindall BJ, Gronow S, Woyke T, Kyrpides NC, Hahnke RL, Goker M. Analysis of 1,000 Type-Strain Genomes Improves Taxonomic Classification of Bacteroidetes. Front Microbiol 2019; 10:2083. 🇩🇪

Parent taxon: Bacteroides Castellani and Chalmers 1919 (Approved Lists 1980)

Assigned by: Song YL, Liu CX, McTeague M, Finegold SM. "Bacteroides nordii" sp. nov. and "Bacteroides salyersae" sp. nov. isolated from clinical specimens of human intestinal origin. J Clin Microbiol 2004; 42:5565-5570. 🇺🇸

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.783452Link copied to clipboard

Record number: 783452

This LPSN page was printed on 2026-09-05 09:14:00

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Species Bacteroides nordii

Species ***Bacteroides* *nordii***