Name: Methanogenium frigidum Franzmann et al. 1997

Category: Species

Proposed as: sp. nov.

Etymology: fri’gi.dum. L. neut. adj. frigidum, cold, referring to the low, growth temperatures of the species

Pronunciation, gender: FRI-gi-dum, neuter

Type strain: Ace-2; DSM 16458; OCM 469; SMCC 459W

See detailed strain information at

16S rRNA gene: AF009219 Analyse FASTA

Valid publication: Franzmann PD, Liu Y, Balkwill DL, Aldrich HC, Conway de Macario E, Boone DR. Methanogenium frigidum sp. nov., a psychrophilic, H2-using methanogen from Ace Lake, Antarctica. Int J Syst Bacteriol 1997; 47:1068-1072.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 47, part 4 of the IJSB. Int J Syst Bacteriol 1998; 48:329-330.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • 😷 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 2025-06-04.

Parent taxon: Methanogenium Romesser et al. 1981

Assigned by: Franzmann PD, Liu Y, Balkwill DL, Aldrich HC, Conway de Macario E, Boone DR. Methanogenium frigidum sp. nov., a psychrophilic, H2-using methanogen from Ace Lake, Antarctica. Int J Syst Bacteriol 1997; 47:1068-1072.

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Record number: 777883