Name: Methanothrix thermoacetophila corrig. Nozhevnikova and Chudina 1988

Category: Species

Proposed as: sp. nov.

Etymology: ther.mo.a.ce.to’phi.la. Gr. fem. adj. thermê, heat; L. neut. n. acetum, vinegar; N.L. fem. adj. suff. -phila, friend, loving; from Gr. fem. adj. philê, loving; N.L. fem. adj. thermoacetophila, heat- and acetate-loving

Pronunciation (Latin), gender: me-T^HA-no-t^hrix t^her-mo-a-ke-TO-p^hi-la, feminine

Type strain: DSM 4774; VKM B-1831; Z-517

See detailed strain information at

16S rRNA gene: LN868388 Analyse FASTA

Effective publication: Nozhevnikova AN, Chudina VI. Morphology of the thermophilic acetate methane bacterium Methanothrix thermoacetophila sp. nov. Mikrobiologiya 1984; 53:756-760.

IJSEM list: Anonymous. Validation list no. 31. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1989; 39:495-497.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Methanosaeta thermophila (Kamagata et al. 1992) Boone and Kamagata 1998	heterotypic synonym, validly published under the ICNP, rejected name
    Methanothrix thermophila Kamagata et al. 1992	heterotypic synonym, validly published under the ICNP, rejected name
    Methanosaeta thermoacetophila (Nozhevnikova and Chudina 1988) Patel and Sprott 1990	homotypic synonym, validly published under the ICNP, illegitimate name
    Methanothrix thermoacetophilia Nozhevnikova and Chudina 1988	other spelling of name, inaccurate spelling

• Notes:
  • ⏰ According to Garrity et al. (2011), this species is an earlier heterotypic synonym of Methanosaeta thermophila (Kamagata et al. 1992) Boone and Kamagata 1998. 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 an earlier heterotypic synonym of Methanothrix thermophila Kamagata et al. 1992. 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 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 2026-08-13. 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 5 times in PubMed until 2026-06-11.
  • 🧍 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. 🇫🇷
  • 🧍 DSM 4774 is a pure culture (H. Hippe). — Leibniz Institute DSMZ. Prokaryotic Nomenclature Up-to-date, 2018-12-11.
  • 🧍 In validation List 25, the journal name is erroneously cited as Mikrobiol Zh (Mikrobiologicheskii Zhurnal). Publication: Erratum. Int. J. Syst. Bacteriol. 1989; 39:206.
  • 🧍 The original spelling of the specific epithet, thermoacetophilia (sic), has been corrected in accordance with Rule 61. Publication: Anonymous. Validation list no. 31. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1989; 39:495-497.
  • 🧍 The species Methanothrix thermoacetophila corrig. (effective publication: Nozhevnikova and Chudina 1984, type strain: not in pure culture) appears also on the Validation List no. 31 [1]. The date of valid publication of this name is in fact that of the first citation in a Validation List (List no. 25, published 8 April 1988) [2]. Publication: Euzeby JP, Kudo T. Corrigenda to the validation lists. Int J Syst Evol Microbiol 2001; 51:1933-1938. 🇫🇷

Parent taxon: Methanothrix Huser et al. 1983

Assigned by: Nozhevnikova AN, Chudina VI. Morphology of the thermophilic acetate methane bacterium Methanothrix thermoacetophila sp. nov. Mikrobiologiya 1984; 53:756-760.

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Record number: 777956