Name: Methanosaeta thermophila (Kamagata et al. 1992) Boone and Kamagata 1998

Category: Species

Proposed as: comb. nov.

Basonym: Methanothrix thermophila Kamagata et al. 1992

Etymology: ther.mo’phi.la. Gr. fem. adj. thermê, heat; N.L. fem. adj. suff. -phila, friend, loving; from Gr. fem. adj. philê, loving; N.L. fem. adj. thermophila, heat-loving

Gender: feminine

Type strain: DSM 6194; JCM 14653; NBRC 101360; PT

Conduct genome-based taxonomy at

16S rRNA gene: AB071701 Analyse FASTA

Valid publication: Boone DR, Kamagata Y. Rejection of the species Methanothrix soehngeniiVP and the genus MethanothrixVP as nomina confusa, and transfer of Methanothrix thermophilaVP to the genus MethanosaetaVP as Methanosaeta thermophila comb. nov. Request for an Opinion. Int. J. Syst. Bacteriol. 1998; 48:1079-1080.

Nomenclatural status: validly published under the ICNP, rejected name

Taxonomic status: synonym

Correct name: Methanothrix thermoacetophila corrig. Nozhevnikova and Chudina 1988

Risk group: 1

• Synonyms:

  • Name	Kind
    Methanothrix thermoacetophilia Nozhevnikova and Chudina 1988	heterotypic synonym, inaccurate spelling
    Methanosaeta thermoacetophila (Nozhevnikova and Chudina 1988) Patel and Sprott 1990	heterotypic synonym, validly published under the ICNP, illegitimate name
    Methanothrix thermophila Kamagata et al. 1992	homotypic synonym, validly published under the ICNP, rejected name
    Methanothrix thermoacetophila corrig. Nozhevnikova and Chudina 1988	heterotypic synonym, validly published under the ICNP

• Notes:
  • ⏲ According to Garrity et al. (2011), this species is a later heterotypic synonym of Methanothrix thermoacetophilia Nozhevnikova and Chudina 1988. Publication: Garrity GM, Labeda DP, Oren A. Judicial Commission of the International Committee on Systematics of Prokaryotes. XIIth International (IUMS) Congress of Bacteriology and Applied Microbiology. Minutes of the meetings, 3, 4 and 6 August 2008, Istanbul, Turkey. Int. J. Syst. Evol. Microbiol. 2011; 61:2775-2780.
  • ⏲ According to Garrity et al. (2011), this species is a later heterotypic synonym of Methanosaeta thermoacetophila (Nozhevnikova and Chudina 1988) Patel and Sprott 1990. Publication: Garrity GM, Labeda DP, Oren A. Judicial Commission of the International Committee on Systematics of Prokaryotes. XIIth International (IUMS) Congress of Bacteriology and Applied Microbiology. Minutes of the meetings, 3, 4 and 6 August 2008, Istanbul, Turkey. Int. J. Syst. Evol. Microbiol. 2011; 61:2775-2780.
  • ⏲ According to Garrity et al. (2011), this species is a later heterotypic synonym of Methanothrix thermoacetophila corrig. Nozhevnikova and Chudina 1988. Publication: Garrity GM, Labeda DP, Oren A. Judicial Commission of the International Committee on Systematics of Prokaryotes. XIIth International (IUMS) Congress of Bacteriology and Applied Microbiology. Minutes of the meetings, 3, 4 and 6 August 2008, Istanbul, Turkey. Int. J. Syst. Evol. Microbiol. 2011; 61:2775-2780.
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • 😷 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. — 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 28 times in PubMed until 2024-03-27.
  • 🧍 Methanosaeta thermophila (Kamagata et al. 1992) Boone and Kamagata 1998 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.
  • 🧍 Rejected name (Opinion 75, Judicial Commission of the International Committee on Systematics of Prokaryotes, IJSEM 64:3597-3598). Publication: Tindall BJ. The genus name Methanothrix Huser et al. 1983 and the species combination Methanothrix soehngenii Huser et al. 1983 do not contravene Rule 31a and are not to be considered as rejected names, the genus name Methanosaeta Patel and Sprott 1990 refers to the same taxon as Methanothrix soehngenii Huser et al. 1983 and the species combination Methanothrix thermophila Kamagata et al. 1992 is rejected: Supplementary information to Opinion 75. Judicial Commission of the International Committee on Systematics of Prokaryotes. Int J Syst Evol Microbiol 2014; 64:3597-3598.
  • 🧍 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.
  • 🧍 This name was not found in the expected IJSEM notification list.
  • 🧍 Opinion 75 issued by the Judicial Commission is based on an interpretation of the Rules of the Bacteriological Code that failed to take into consideration changes made to that Code by the Judicial Commission prior to consideration of the original Request for an Opinion. Furthermore, closer examination of the Request indicates a number of contradictions that have been carried over into the published Opinion. Consequently, B.J. Tindall requests that the Judicial Commission re-examines Opinion 75. Publication: Tindall BJ. Challenging Opinion 75. Int J Syst Evol Microbiol 2008; 58:1768-1771.

Parent taxon: Methanosaeta Patel and Sprott 1990

Assigned by: Boone DR, Kamagata Y. Rejection of the species Methanothrix soehngeniiVP and the genus MethanothrixVP as nomina confusa, and transfer of Methanothrix thermophilaVP to the genus MethanosaetaVP as Methanosaeta thermophila comb. nov. Request for an Opinion. Int. J. Syst. Bacteriol. 1998; 48:1079-1080.

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Record number: 787452