Name: Methanosaeta concilii (Patel 1985) Patel and Sprott 1990

Category: Species

Proposed as: comb. nov.

Basonym: Methanothrix concilii Patel 1985

Etymology: con.ci.li.i. L. gen. neut. n. concilii, of a council, named after the National Research Council of Canada, in whose laboratories the type strain was isolated

Gender: feminine

Type strain: ATCC 35969; DSM 3671; GP6; JCM 10134; NRC 2989; OCM 69

Conduct genome-based taxonomy at

16S rRNA gene: CP002565 Analyse FASTA

Valid publication: Patel GB, Sprott GD. Methanosaeta concilii gen. nov., sp. nov. ("Methanothrix concilii") and Methanosaeta thermoacetophila nom. rev., comb. nov. Int. J. Syst. Bacteriol. 1990; 40:79-82.

Nomenclatural status: validly published under the ICNP, illegitimate name

Taxonomic status: synonym

Correct name: Methanothrix soehngenii Huser et al. 1983

Risk group: 1

• Synonyms:

  • Name	Kind
    Methanothrix soehngenii Huser et al. 1983	heterotypic synonym, validly published under the ICNP
    Methanothrix concilii Patel 1985	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Methanosaeta Patel and Sprott 1990. Publication: Patel GB, Sprott GD. Methanosaeta concilii gen. nov., sp. nov. ("Methanothrix concilii") and Methanosaeta thermoacetophila nom. rev., comb. nov. Int. J. Syst. Bacteriol. 1990; 40:79-82.
  • ⏲ According to Touzel et al. (1988), this species is a later heterotypic synonym of Methanothrix soehngenii Huser et al. 1983. Publication: Touzel JP, Prensier G, Roustan JL, Thomas I, Dubourguier HC, Albagnac G. Description of a new strain of Methanothrix soehngenii and rejection of Methanothrix concilii as a synonym of Methanothrix soehngenii. Int. J. Syst. Bacteriol. 1988; 38:30-36.
  • 😷 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 Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 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 96 times in PubMed until 2024-03-28.
  • 🧍 Methanosaeta concilii (Patel 1985) Patel and Sprott 1990 is illegitimate, because the genus name is illegitimate. Publication: Oren A, Arahal DR, Goker M, Moore ERB, Rossello-Mora R, Sutcliffe IC. International Code of Nomenclature of Prokaryotes. Prokaryotic Code (2022 Revision). Int J Syst Evol Microbiol 2023; 73:5585.
  • 🧍 See also the file Some problems with the genera Methanothrix and Methanosaeta. Publication: Euzeby JP. List of Bacterial Names with Standing in Nomenclature: a folder available on the Internet. Int J Syst Bacteriol 1997; 47:590-592.
  • 🧍 The type strain of Methanothrix soehngenii Huser et al. 1983 (the type species of the genus Methanothrix Huser et al. 1983) is contaminated by two morphologically distinct bacteria. According to the "old Rule 31a" (i.e. before January 2001) Methanothrix soehngenii was invalid. Consequently, the genus Methanothrix did not have nomenclatural standing. Since the genus Methanothrix was invalid, so were all of the species placed in the genus. Therefore, Patel and Sprott 1990 proposed that type strain GP6 of Methanothrix concilii, an axenic mesophilic isolate, be named Methanosaeta concilii (Patel 1985) Patel and Sprott 1990. Publication: Huser BA, Wuhrmann K, Zehnder AJB. Methanothrix soehngenii gen. nov., sp. nov., a new acetotrophic non-hydrogen-oxidizing methane bacterium. Arch. Microbiol. 1982; 132:1-9.

Parent taxon: Methanosaeta Patel and Sprott 1990

Assigned by: Patel GB, Sprott GD. Methanosaeta concilii gen. nov., sp. nov. ("Methanothrix concilii") and Methanosaeta thermoacetophila nom. rev., comb. nov. Int. J. Syst. Bacteriol. 1990; 40:79-82.

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Record number: 777921