Name: Alistipes indistinctus Nagai et al. 2010

Category: Species

Proposed as: sp. nov.

Etymology: in.dis.tinc’tus. L. masc. adj. indistinctus, not properly distinguished or indistinct, referring to the biochemical characteristics compared with those of phylogenetically related species

Pronunciation, gender: in-dis-TINK-tus, masculine

Type strain: DSM 22520; JCM 16068; YIT 12060

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB600999 Analyse FASTA

Valid publication: Nagai F, Morotomi M, Watanabe Y, Sakon H, Tanaka R. Alistipes indistinctus sp. nov. and Odoribacter laneus sp. nov., common members of the human intestinal microbiota isolated from faeces. Int J Syst Evol Microbiol 2010; 60:1296-1302.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 60, part 6 of the IJSEM. Int J Syst Evol Microbiol 2010; 60:1987-1988.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Notes:
  • 😷 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 29 times in PubMed until 2025-06-04.
  • 🙆 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 pathogenicity of the species itself.
  • 🧍 According to Bartlett et al. (2022), this species is a putative 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.
  • 🧍 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: Alistipes Rautio et al. 2003

Assigned by: Nagai F, Morotomi M, Watanabe Y, Sakon H, Tanaka R. Alistipes indistinctus sp. nov. and Odoribacter laneus sp. nov., common members of the human intestinal microbiota isolated from faeces. Int J Syst Evol Microbiol 2010; 60:1296-1302.

Linking: To permanently link to this page, use https://lpsn.dsmz.de/species/alistipes-indistinctusCopy to clipboardLink copied to clipboard

Record number: 788578