Name: Methanosarcina siciliae (Stetter and König 1989) Ni et al. 1994

Category: Species

Proposed as: comb. nov.

Basonym: Methanolobus siciliae Stetter and König 1989

Etymology: si.ci.li.ae. L. gen. fem. n. siciliae, of Sicily, the place of isolation in Italy

Gender: feminine

Type strain: ATCC BAA-931; DSM 3028; OCM 156; T4/M

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: U20153 Analyse FASTA

Valid publication: Ni S, Woese CR, Aldrich HC, Boone DR. Transfer of Methanolobus siciliae to the genus Methanosarcina, naming it Methanosarcina siciliae, and emendation of the genus Methanosarcina. Int J Syst Bacteriol 1994; 44:357-359. 🇺🇸

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 44, part 2 of the IJSB. Int J Syst Bacteriol 1994; 44:596.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Methanolobus siciliae Stetter and König 1989	homotypic synonym, validly published under the ICNP

• Emendations:
  • Elberson and Sowers 1997 Elberson MA, Sowers KR. Isolation of an aceticlastic strain of Methanosarcina siciliae from marine canyon sediments and emendation of the species description for Methanosarcina siciliae. Int J Syst Bacteriol 1997; 47:1258-1261. 🇺🇸
    Notes:
    • 🧍 This emendation was not found in the expected IJSEM notification list.

• Notes:
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • 🧬 The phylogenomic assignment score of this taxon is 0.11226 (N = 3).
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — 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 8 times in PubMed until 2025-06-04.

Parent taxon: Methanosarcina Kluyver and van Niel 1936 (Approved Lists 1980)

Assigned by: Ni S, Woese CR, Aldrich HC, Boone DR. Transfer of Methanolobus siciliae to the genus Methanosarcina, naming it Methanosarcina siciliae, and emendation of the genus Methanosarcina. Int J Syst Bacteriol 1994; 44:357-359. 🇺🇸

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Record number: 777934