Name: Methanobrevibacter arboriphilus 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.lus. L. fem. n. arbor (gen. arboris), tree; N.L. masc. adj. suff. -philus, friend, loving; from Gr. masc. adj. philos, on; N.L. masc. adj. arboriphilus, tree-loving

Gender: masculine

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

See detailed strain information at

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

Risk group: 1

• Synonyms:

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

• Notes:
  • ✏ The authority of the taxon name (Balch and Wolfe) deliberately differs from the authors of the publication (Balch et al.).
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 34 times in PubMed until 2024-03-27.
  • 🧍 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