Species ***Bacteroides* *clarus***

Name: Bacteroides clarus Watanabe et al. 2010

Category: Species

Proposed as: sp. nov.

Etymology: cla’rus. L. masc. adj. clarus, shining, referring to the shiny appearance of the colonies

Pronunciation (Latin), gender: bak-ter-o-I-des KLA-rus, masculine

Type strain: DSM 22519; JCM 16067; YIT 12056

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB547638 Analyse FASTA

Valid publication: Watanabe Y, Nagai F, Morotomi M, Sakon H, Tanaka R. Bacteroides clarus sp. nov., Bacteroides fluxus sp. nov. and Bacteroides oleiciplenus sp. nov., isolated from human faeces. Int J Syst Evol Microbiol 2010; 60:1864-1869. 🇯🇵

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 60, part 8 of the IJSEM. Int J Syst Evol Microbiol 2010; 60:2511-2512.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

Notes:
- 🧬 The phylogenomic assignment score of this taxon is 0.06995 (N = 1).
- 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — 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 26 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 genus.
- 🧍 According to Bartlett et al. (2022), this species was isolated from feces in healthy individuals. 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 genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. 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. 🇩🇪
- 🧍 The phylogenetic position of this species was determined in a genome-scale analysis by Hahnke et al. (2016). Publication: 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. 🇩🇪

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

Assigned by: Watanabe Y, Nagai F, Morotomi M, Sakon H, Tanaka R. Bacteroides clarus sp. nov., Bacteroides fluxus sp. nov. and Bacteroides oleiciplenus sp. nov., isolated from human faeces. Int J Syst Evol Microbiol 2010; 60:1864-1869. 🇯🇵

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.788690Link copied to clipboard

Record number: 788690

This LPSN page was printed on 2026-08-12 09:00:03

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Species Bacteroides clarus

Species ***Bacteroides* *clarus***