Name: Methanobrevibacter Balch and Wolfe 1981

Category: Genus

Proposed as: gen. nov.

Etymology: Me.tha.no.bre.vi.bac’ter. N.L. neut. n. methanum, methane; from French masc. n. méthyle; from Chem. neut. suff. -ane; N.L. pref. methano-, pertaining to methane (in compound words); L. masc./fem. adj. brevis, short; N.L. masc. n. bacter, rod, staff; N.L. masc. n. Methanobrevibacter, short methane (-producing) rod

Gender, pronunciation (Latin): masculine (stem: Methanobrevibacter-), me-t^ha-no-bre-wi-BAK-ter

Type species: Methanobrevibacter ruminantium (Smith and Hungate 1958) Balch and Wolfe 1981

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Balch WE, Fox GE, Magrum LJ, Woese CR, Wolfe RS. Methanogens: reevaluation of a unique biological group. Microbiol Rev 1979; 43:260-296.

IJSEM list: Anonymous. Validation list no. 6. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1981; 31:215-218.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    "Methanobaculum" Protasov and Brune 2023	heterotypic synonym, not validly published
    "Methanacia" Protasov and Brune 2023	heterotypic synonym, not validly published
    "Methanarmilla" Protasov and Brune 2023	heterotypic synonym, not validly published
    "Methanoflexus" Protasov and Brune 2023	heterotypic synonym, not validly published
    "Methanocatella" Protasov and Brune 2023	heterotypic synonym, not validly published

• Notes:
  • 🚋 The type species of this genus has alternatively been placed in the genus Methanobacterium Kluyver and van Niel 1936 (Approved Lists 1980). Publication: Smith PH, Hungate RE. Isolation and characterization of Methanobacterium ruminantium n. sp. J Bacteriol 1958; 75:713-718.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Mcthanobrevibacter"; "Mehanobrevibacter"; "Methanbrevibacter"; "Methanibrevibacter"; "Methanobrecibacter"; "Methanobreuibacter"; "Methanobreviba"; "Methanobrevobacter"; "Methanohrevibacter"; "Methanollrevibacter"; "Methanolmvibacter"; "Methanolneuibacter"; "Methaobrevibacter"; "Methnobrevibacter"; "Metlianobrevibacter"; "Mrthanobrevibacter".
  • 🖹 Minimal standards for the description of new taxa in this group were published in 1988. Publication: Boone DR, Whitman WB. Proposal of Minimal Standards for Describing New Taxa of Methanogenic Bacteria. Int. J. Syst. Evol. Microbiol. 1988; 38:212-219. 🇺🇸
  • 🖹 Minimal standards for the description of new taxa in this group were published in 2023. Publication: Prakash O, Dodsworth JA, Dong X, Ferry JG, L'Haridon S, Imachi H, Kamagata Y, Rhee SK, Sagar I, Shcherbakova V, et al. Proposed minimal standards for description of methanogenic archaea. Int J Syst Evol Microbiol 2023; 73:5500. 🇮🇳
  • ✏ The authority of the taxon name (Balch and Wolfe) deliberately differs from the authors of the publication (Balch et al.).
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 19; OCM: 11; JCM: 7; ATCC: 6; CECT: 2; KCTC: 1; MCM: 1.
  • 🧍 Pittman et al. (1991) suggested the abbreviation "MEVT" for this genus name but this does not appear to be of practical relevance any longer. Publication: Pittman KF, Walczak CA, Lock CM. Codes and abbreviations for approved of effectively published names of genera of bacteria published from January 1980 to December 1990. Int J Syst Bacteriol 1991; 41:571-579.

Subdivision:

Number of child taxa with a validly published and correct name: 16
Number of child taxa with a validly published name, including synonyms: 17
Total number of child taxa: 20

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Methanobrevibacter acididurans Savant et al. 2002	validly published under the ICNP	correct name
    Methanobrevibacter arboriphilicus corrig. (Zeikus and Henning 1975) Balch and Wolfe 1981	validly published under the ICNP	correct name
    Methanobrevibacter arboriphilus corrig. (Zeikus and Henning 1975) Balch and Wolfe 1981	validly published under the ICNP, inappropriate correction	misspelling
    Methanobrevibacter boviskoreani Lee et al. 2013	validly published under the ICNP	correct name
    "Candidatus Methanobrevibacter cononymphae" Kaneko et al. 2024	not validly published	preferred name
    Methanobrevibacter curvatus Leadbetter and Breznak 1997	validly published under the ICNP	correct name
    Methanobrevibacter cuticularis Leadbetter and Breznak 1997	validly published under the ICNP	correct name
    Methanobrevibacter filiformis Leadbetter et al. 1998	validly published under the ICNP	correct name
    Methanobrevibacter gottschalkii Miller and Lin 2002	validly published under the ICNP	correct name
    "Candidatus Methanobrevibacter intestini" Chibani et al. 2022	not validly published	synonym
    Methanobrevibacter intestini Weinberger et al. 2025	validly published under the ICNP	correct name
    "Methanobrevibacter massiliense" Huynh et al. 2015	not validly published	preferred name
    Methanobrevibacter millerae Rea et al. 2007	validly published under the ICNP	correct name
    Methanobrevibacter olleyae Rea et al. 2007	validly published under the ICNP	correct name
    Methanobrevibacter oralis Ferrari et al. 1995	validly published under the ICNP	correct name
    Methanobrevibacter ruminantium (Smith and Hungate 1958) Balch and Wolfe 1981	validly published under the ICNP	correct name
    Methanobrevibacter smithii Balch and Wolfe 1981	validly published under the ICNP	correct name
    Methanobrevibacter thaueri Miller and Lin 2002	validly published under the ICNP	correct name
    Methanobrevibacter woesei Miller and Lin 2002	validly published under the ICNP	correct name
    Methanobrevibacter wolinii Miller and Lin 2002	validly published under the ICNP	correct name

Parent taxon: Methanobacteriaceae Barker 1956 (Approved Lists 1980)

Assigned by: Leadbetter JR, Breznak JA. Physiological ecology of Methanobrevibacter cuticularis sp. nov. and Methanobrevibacter curvatus sp. nov., isolated from the hindgut of the termite Reticulitermes flavipes. Appl Environ Microbiol 1996; 62:3620-3631. 🇺🇸

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Record number: 517065