Name: Methanobrevibacter arboriphilicus corrig. (Zeikus and Henning 1975) Balch and Wolfe 1981

Category: Species

Proposed as: comb. nov.

Basonym: Methanobacterium arbophilicum Zeikus and Henning 1975 (Approved Lists 1980)

Etymology: ar.bo.ri.phi’li.cus. L. fem. n. arbor (gen. arboris), tree; N.L. masc. adj. philicus, friendly; from Gr. masc. adj. philikos; N.L. masc. adj. arboriphilicus, friendly with trees, tree-loving

Pronunciation (Latin), gender: … ar-bo-ri-P^HI-li-kus, masculine

Type strain: ATCC 33747; DH1; DSM 1125; JCM 13429; OCM 147

Conduct genome-based taxonomy at

16S rRNA gene: AY196665 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 (and explicitly recommended for medical use)

Risk group: 1

• Synonyms:

  • Name	Kind
    Methanobrevibacter arboriphilus corrig. (Zeikus and Henning 1975) Balch and Wolfe 1981	homotypic synonym, validly published under the ICNP, inappropriate correction
    Methanobacterium arboriphilicum corrig. Zeikus and Henning 1975 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    "Methanobinarius arboriphilicus" corrig. (Zeikus and Henning 1975) Protasov and Brune 2023	homotypic synonym, not validly published
    "Methanobinarius arboriphilus" (Zeikus and Henning 1975) Protasov and Brune 2023	homotypic synonym, inaccurate spelling
    Methanobacterium arbophilicum Zeikus and Henning 1975 (Approved Lists 1980)	homotypic synonym, inaccurate spelling

• Notes:
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. 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 34 times in PubMed until 2025-06-04.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of other species in the genus.
  • 🧍 However, the correct form of the epithet (arboriphilus) was reestablished by Asakawa et al. [3]. Publication: Asakawa S, Morii H, Akagawa-Matsushita M, Koga Y, Hayano K. Characterization of Methanobrevibacter arboriphilicus SA isolated from a paddy field soil and DNA-DNA hybridization among M. arboriphilicus strains. Int. J. Syst. Bacteriol. 1993; 43:683-686. 🇯🇵
  • 🧍 The epithet arboriphilus has been erroneously corrected by the Lists Editor of the IJSB who created the new wrong epithet, arboriphilicus [2]. Publication: 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.

Parent taxon: Methanobrevibacter Balch and Wolfe 1981

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

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Record number: 798636