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Species Bacteroides hominis
Name: Bacteroides hominis Liu et al. 2022
Etymology: ho’mi.nis. L. gen. masc. n. hominis, of a human being, referring to the human gut habitat
Pronunciation, gender: HO-mi-nis, masculine
Type strain: CGMCC 1.31481; CLA AA-H207; DSM 112683; KCTC 15964; NSJ 2
Conduct genome-based taxonomy at
Effective publication:
Liu C, Du MX, Abuduaini R, Yu HY, Li DH, Wang YJ, Zhou N, Jiang MZ, Niu PX, Han SS, et al. Enlightening the taxonomy darkness of human gut microbiomes with a cultured biobank. Microbiome 2021; 9:119. 
IJSEM list:
Oren A, Garrity GM. Validation list no. 205. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2022; 72:5331.
Nomenclatural status: validly published under the ICNP
Taxonomic status: synonym (taxonomically suspended)
Correct name: Bacteroides fragilis (Veillon and Zuber 1898) Castellani and Chalmers 1919 (Approved Lists 1980)
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Synonyms:
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Name Kind Bacteroides fragilis (Veillon and Zuber 1898) Castellani and Chalmers 1919 (Approved Lists 1980) heterotypic synonym, validly published under the ICNP "Bacteroides hominis" Afrizal et al. 2022 homotypic synonym, not validly published "Bacillus fragilis" Veillon and Zuber 1898 heterotypic synonym, not validly published, basonym of name in Approved Lists
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Notes:
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⏲ According to Committee (2025), this species is a later heterotypic synonym of "Bacillus fragilis" Veillon and Zuber 1898.
Publication:
Committee AH. Mitigating changes in prokaryotic nomenclature: Definitions and Workflow. Zenodo 2025; 2025:15320329.
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⏲ According to Committee (2025), this species is a later heterotypic synonym of Bacteroides fragilis (Veillon and Zuber 1898) Castellani and Chalmers 1919 (Approved Lists 1980).
Publication:
Committee AH. Mitigating changes in prokaryotic nomenclature: Definitions and Workflow. Zenodo 2025; 2025:15320329.
- ❗ Bacteroides hominis is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Bacteroides.
- 🎓 Name mentioned 2 times in PubMed until 2025-06-04.
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🪓 Organisms assigned to this species have previously been classified as Bacteroides fragilis (Veillon and Zuber 1898) Castellani and Chalmers 1919 (Approved Lists 1980).
Publication:
Castellani A, Chalmers AJ. Manual of Tropical Medicine, 3rd ed. Williams Wood and Co., New York, 1919.
Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.
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😴 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus. This name is taxonomically suspended (and therefore not recommended for medical use for now) until no later than 2027 in favour of Bacteroides fragilis (Veillon and Zuber 1898) Castellani and Chalmers 1919 (Approved Lists 1980).
Publication:
Castellani A, Chalmers AJ. Manual of Tropical Medicine, 3rd ed. Williams Wood and Co., New York, 1919.
Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.
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⏲ According to Committee (2025), this species is a later heterotypic synonym of "Bacillus fragilis" Veillon and Zuber 1898.
Publication:
Committee AH. Mitigating changes in prokaryotic nomenclature: Definitions and Workflow. Zenodo 2025; 2025:15320329.
Parent taxon: Bacteroides Castellani and Chalmers 1919 (Approved Lists 1980)
Assigned by:
Liu C, Du MX, Abuduaini R, Yu HY, Li DH, Wang YJ, Zhou N, Jiang MZ, Niu PX, Han SS, et al. Enlightening the taxonomy darkness of human gut microbiomes with a cultured biobank. Microbiome 2021; 9:119.
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Record number: 28872
This LPSN page was printed on 2025-12-04 20:30:44