Name: Alistipes shahii Song et al. 2006

Category: Species

Proposed as: sp. nov.

Etymology: sha’hi.i. N.L. gen. masc. n. shahii, of Shah, to honour Haroun N. Shah, for his contribution to anaerobic bacteriology

Pronunciation, gender: S͡HA-hi-i, masculine

Type strain: ATCC BAA-1179; CCUG 48947; DSM 19121; JCM 16773; WAL 8301

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB554233 Analyse FASTA

Valid publication: Song Y, Kononen E, Rautio M, Liu C, Bryk A, Eerola E, Finegold SM. Alistipes onderdonkii sp. nov. and Alistipes shahii sp. nov., of human origin. Int J Syst Evol Microbiol 2006; 56:1985-1990.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 56, part 8 of the IJSEM. Int J Syst Evol Microbiol 2006; 56:2509-2510.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Emendations:
  • 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.

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.12687 (N = 3).
  • 😷 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 Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "+". — 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 37 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 risk group 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.

Parent taxon: Alistipes Rautio et al. 2003

Assigned by: Song Y, Kononen E, Rautio M, Liu C, Bryk A, Eerola E, Finegold SM. Alistipes onderdonkii sp. nov. and Alistipes shahii sp. nov., of human origin. Int J Syst Evol Microbiol 2006; 56:1985-1990.

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Record number: 785344