Species Bacteroides fragilis
Name: Bacteroides fragilis (Veillon and Zuber 1898) Castellani and Chalmers 1919 (Approved Lists 1980)
Basonym: "Bacillus fragilis" Veillon and Zuber 1898
Etymology: fra’gi.lis. L. masc./fem. adj. fragilis, easily broken, brittle, fragile (relating to the brittle colonies that may form under some culture conditions)
Type strain: ATCC 25285; CCUG 4856; CIP 77.16; DSM 2151; DSM 29413; JCM 11019; LMG 10263; NCTC 9343
See detailed strain information at
Conduct genome-based taxonomy at
16S rRNA gene:
KP326374
Analyse
FASTA 
Effective publication: Castellani A, Chalmers AJ. Manual of Tropical Medicine, 3rd ed. Williams Wood and Co., New York, 1919.
IJSEM list:
Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420. 
Nomenclatural status: validly published under the ICNP
Taxonomic status: correct name
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Synonyms:
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Name Kind "Bacillus fragilis" Veillon and Zuber 1898 homotypic synonym, not validly published, basonym of name in Approved Lists
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Emendations:
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Hahnke et al. 2016
Hahnke RL, Meier-Kolthoff JP, Garcia-Lopez M, Mukherjee S, Huntemann M, Ivanova NN, Woyke T, Kyrpides NC, Klenk HP, Goker M. Genome-Based Taxonomic Classification of Bacteroidetes. Front Microbiol 2016; 7:2003.
Oren A, Garrity GM. List of changes in taxonomic opinion no. 26. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2017; 67:2081-2086.
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Hahnke et al. 2016
Hahnke RL, Meier-Kolthoff JP, Garcia-Lopez M, Mukherjee S, Huntemann M, Ivanova NN, Woyke T, Kyrpides NC, Klenk HP, Goker M. Genome-Based Taxonomic Classification of Bacteroidetes. Front Microbiol 2016; 7:2003.
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Notes:
- Nomenclatural type of the genus Bacteroides 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.
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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.
Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 0
Total number of child taxa: 2
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Child taxa:
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Name Nomenclatural status Taxonomic status "Bacteroides fragilis subsp. distasonis" Falkler and Burger 1981 not validly published "Bacteroides fragilis subsp. thetaiotaomicron" (Distaso 1912) Holdeman and Moore 1970 not validly published
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Parent taxon: Bacteroides Castellani and Chalmers 1919 (Approved Lists 1980)
Assigned by: Castellani A, Chalmers AJ. Manual of Tropical Medicine, 3rd ed. Williams Wood and Co., New York, 1919.
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Record number: 773945
This LPSN page was printed on 2022-12-05 09:09:47