Name: Methanobrevibacter curvatus Leadbetter and Breznak 1997

Category: Species

Proposed as: sp. nov.

Etymology: cur.va’tus. L. fem. adj. curva, bent; L. masc. part. adj. curvatus, referring to the curved shape of the cell

Gender: masculine

Type strain: DSM 11111; RFM-2

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: U62533 Analyse FASTA

Effective publication: 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.

IJSEM list: Anonymous. Validation list no. 61. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1997; 47:601-602.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    "Methanoflexus curvatus" (Leadbetter and Breznak 1997) Protasov and Brune 2023	homotypic synonym, not validly published

• 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. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 3 times in PubMed until 2024-03-28.

Parent taxon: Methanobrevibacter Balch and Wolfe 1981

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: 777819