Name: Collinsella aerofaciens (Eggerth 1935) Kageyama et al. 1999

Category: Species

Proposed as: comb. nov.

Basonym: "Bacteroides aerofaciens" Eggerth 1935

Etymology: ae.ro.fa.ci.ens. Gr. masc. n. aêr (gen. aeros), air, gas; L. pres. part. faciens, making, producing; N.L. fem. part. adj. aerofaciens, gas producing

Gender: feminine

Type strain: ATCC 25986; CCUG 28087; DSM 3979; JCM 10188; VPI 1003

Conduct genome-based taxonomy at

16S rRNA gene: AB616131 Analyse FASTA

Valid publication: Kageyama A, Benno Y, Nakase T. Phylogenetic and phenotypic evidence for the transfer of Eubacterium aerofaciens to the genus Collinsella as Collinsella aerofaciens gen. nov., comb. nov. Int J Syst Bacteriol 1999; 49:557-565.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 49, part 2 of the IJSB. Int J Syst Bacteriol 1999; 49:937-939.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Synonyms:

  • Name	Kind
    "Bacteroides aerofaciens" Eggerth 1935	homotypic synonym, not validly published, basonym of name in Approved Lists
    Eubacterium aerofaciens (Eggerth 1935) Prévot 1938 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Emendations:
  • Han et al. 2021 Han KI, Kim JS, Eom MK, Lee KC, Suh MK, Kim HS, Park SH, Lee JH, Kang SW, Park JE, et al. Collinsella acetigenes sp. nov., an Anaerobic Actinobacterium Isolated from Human Feces, and Emended Description of the Genus Collinsella and Collinsella aerofaciens. Curr Microbiol 2021; 78:3667-3673. Oren A, Garrity GM. List of changes in taxonomic opinion no. 35. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2022; 72:5164.
    Notes:
    • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. Contrasting the term "chemotaxonomic" with "phenotypic" is not recommended. Using the term "phylogenetic data" (or equivalent) for sequence data is not advocated. See the LPSN phylogeny page for details.

• Notes:
  • 🥇 Nomenclatural type of the genus Collinsella Kageyama et al. 1999. Publication: Kageyama A, Benno Y, Nakase T. Phylogenetic and phenotypic evidence for the transfer of Eubacterium aerofaciens to the genus Collinsella as Collinsella aerofaciens gen. nov., comb. nov. Int J Syst Bacteriol 1999; 49:557-565.
  • 😩 Deposits incorrectly indicated in some sources as representing the type strain of this taxon: CGMCC 1.5216; DSM 105138.
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • 😷 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 = 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.
  • 🎓 Name mentioned 93 times in PubMed until 2024-03-27.
  • 🧍 According to Bartlett et al. (2022), this species is an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology 2022; 168:0.
  • 🧍 The phylogenetic position of this species was determined in a genome-scale analysis by Nouioui et al. (2018). Publication: Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007.

Subdivision:

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: 1

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Collinsella aerofaciens subsp. shenzhenensis" Qin et al. 2019	not validly published	preferred name (not correct name)

Parent taxon: Collinsella Kageyama et al. 1999

Assigned by: Kageyama A, Benno Y, Nakase T. Phylogenetic and phenotypic evidence for the transfer of Eubacterium aerofaciens to the genus Collinsella as Collinsella aerofaciens gen. nov., comb. nov. Int J Syst Bacteriol 1999; 49:557-565.

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Record number: 775055