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. — 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 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