Name: Alistipes Rautio et al. 2003

Category: Genus

Proposed as: gen. nov.

Etymology: A.li.sti.pes. L. masc. pron. alius, other; L. masc. n. stipes, a log, stock, post, trunk of a tree, stick; N.L. masc. n. Alistipes, the other stick

Gender: masculine (stem: Alistipit-)

Type species: Alistipes putredinis (Weinberg et al. 1937) Rautio et al. 2003

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Rautio M, Eerola E, Vaisanen-Tunkelrott ML, Molitoris D, Lawson P, Collins MD, Jousimies-Somer H. Reclassification of Bacteroides putredinis (Weinberg et al., 1937) in a new genus Alistipes gen. nov., as Alistipes putredinis comb. nov., and description of Alistipes finegoldii sp. nov., from human sources. Syst Appl Microbiol 2003; 26:182-188.

IJSEM list: Euzeby JP. Validation list no. 94. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2003; 53:1701-1702.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Emendations:
  • García-López et al. 2019 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. Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.
  • Sakamoto et al. 2020 Sakamoto M, Ikeyama N, Ogata Y, Suda W, Iino T, Hattori M, Ohkuma M. Alistipes communis sp. nov., Alistipes dispar sp. nov. and Alistipes onderdonkii subsp. vulgaris subsp. nov., isolated from human faeces, and creation of Alistipes onderdonkii subsp. onderdonkii subsp. nov. Int J Syst Evol Microbiol 2020; 70:473-480. Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 70, part 1 of the IJSEM. Int J Syst Evol Microbiol 2020; 70:2167-2173.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 2 new species in the genus.

• Notes:
  • 🚋 The type species of this genus has alternatively been placed in the genus Bacteroides Castellani and Chalmers 1919 (Approved Lists 1980). Publication: Kelly CD. Genus I. Bacteroides Castellani and Chalmers 1919. In: Breed RS, Murray EGD, Smith NR (eds), Bergey's Manual of Determinative Bacteriology, seventh edition, The Williams & Wilkins Co, Baltimore, 1957, p. 424-436.
  • 🚋 The type species of this genus has alternatively been placed in the genus Bacillus Cohn 1872 (Approved Lists 1980). Publication: Weinberg M, Nativelle R, Prévot AR. Les Microbes Anaérobies. Masson et Cie, Paris, 1937.
  • 🧬 The phylogenomic assignment score of this taxon is 0.03149 (N = 12).
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 14; CSUR: 8; JCM: 8; CCUG: 5; ATCC: 3; CIP: 2; KCTC: 1; CECT: 1; CGMCC: 1; VKM: 1.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — 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.

Subdivision:

Number of child taxa with a validly published and correct name: 12
Number of child taxa with a validly published name, including synonyms: 12
Total number of child taxa: 40

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Candidatus Alistipes avicola" Gilroy et al. 2021	not validly published	pro-correct name
    "Candidatus Alistipes avistercoris" Gilroy et al. 2021	not validly published	pro-correct name
    Alistipes communis Sakamoto et al. 2020	validly published under the ICNP	correct name
    "Candidatus Alistipes cottocaccae" Gilroy et al. 2021	not validly published	pro-correct name
    Alistipes dispar Sakamoto et al. 2020	validly published under the ICNP	correct name
    "Candidatus Alistipes equi" Gilroy et al. 2022	not validly published	preferred name
    "Candidatus Alistipes excrementavium" Gilroy et al. 2021	not validly published	pro-correct name
    "Candidatus Alistipes excrementigallinarum" Gilroy et al. 2021	not validly published	pro-correct name
    "Candidatus Alistipes excrementipullorum" Gilroy et al. 2021	not validly published	pro-correct name
    "Candidatus Alistipes faecavium" Gilroy et al. 2021	not validly published	pro-correct name
    "Candidatus Alistipes faecigallinarum" Gilroy et al. 2021	not validly published	pro-correct name
    Alistipes finegoldii Rautio et al. 2003	validly published under the ICNP	correct name
    Alistipes hominis Liu et al. 2022	validly published under the ICNP	correct name
    "Candidatus Alistipes ihumii" Pfleiderer et al. 2013	not validly published	synonym
    Alistipes ihumii Pfleiderer et al. 2017	validly published under the ICNP	correct name
    Alistipes indistinctus Nagai et al. 2010	validly published under the ICNP	correct name
    Alistipes inops Shkoporov et al. 2015	validly published under the ICNP	correct name
    "Candidatus Alistipes intestinigallinarum" Gilroy et al. 2021	not validly published	pro-correct name
    "Alistipes intestinihominis" Hitch et al. 2025	not validly published	preferred name
    "Candidatus Alistipes intestinipullorum" Gilroy et al. 2021	not validly published	pro-correct name
    "Alistipes massiliensis" Song et al. 2005	not validly published	preferred name
    "Alistipes megaguti" Bellali et al. 2019	not validly published	preferred name
    "Candidatus Alistipes merdavium" Gilroy et al. 2021	not validly published	pro-correct name
    "Candidatus Alistipes merdigallinarum" Gilroy et al. 2021	not validly published	pro-correct name
    "Candidatus Alistipes merdipullorum" Gilroy et al. 2021	not validly published	pro-correct name
    "Alistipes montrealensis" Routy et al. 2022	not validly published	preferred name
    Alistipes muris Afrizal et al. 2025	validly published under the ICNP	correct name
    "Alistipes obesi" Hugon et al. 2013	not validly published	synonym
    "Alistipes okayasuensis" Forster et al. 2022	not validly published	preferred name
    Alistipes onderdonkii Song et al. 2006	validly published under the ICNP	correct name
    "Alistipes provencensis" Bellali et al. 2019	not validly published	preferred name
    "Candidatus Alistipes pullicola" Gilroy et al. 2021	not validly published	pro-correct name
    "Candidatus Alistipes pullistercoris" Gilroy et al. 2021	not validly published	pro-correct name
    Alistipes putredinis (Weinberg et al. 1937) Rautio et al. 2003	validly published under the ICNP	correct name
    "Alistipes senegalensis" Mishra et al. 2012	not validly published	preferred name
    Alistipes shahii Song et al. 2006	validly published under the ICNP	correct name
    "Candidatus Alistipes stercoravium" Gilroy et al. 2021	not validly published	pro-correct name
    "Candidatus Alistipes stercorigallinarum" Gilroy et al. 2021	not validly published	pro-correct name
    "Candidatus Alistipes stercoripullorum" Gilroy et al. 2021	not validly published	pro-correct name
    Alistipes timonensis Lagier et al. 2014	validly published under the ICNP	correct name

Parent taxon: Rikenellaceae Krieg et al. 2012

Assigned by: Krieg NR, Staley JT, Brown DR, Hedlund BP, Paster BJ, Ward NL, Ludwig W, Whitman WB. Family III. Rikenellaceae fam. nov. In: Krieg NR, Staley JT, Brown DR, Hedlund BP, Paster BJ, Ward NL, Ludwig W, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 4, Springer, New York, 2010, p. 54.

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Record number: 515078