Name: Metallosphaera hakonensis (Takayanagi et al. 1996) Kurosawa et al. 2003

Category: Species

Proposed as: comb. nov.

Basonym: Sulfolobus hakonensis Takayanagi et al. 1996

Etymology: ha.kon.en’sis. N.L. fem. adj. hakonensis, pertaining to Hakone, Japan, where the type strain was isolated

Gender: feminine

Type strain: ATCC 51241; DSM 7519; HO1-1; IAM 14250; JCM 8857

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: D86414 Analyse FASTA

Valid publication: Kurosawa N, Itoh YH, Itoh T. Reclassification of Sulfolobus hakonensis Takayanagi et al. 1996 as Metallosphaera hakonensis comb. nov. based on phylogenetic evidence and DNA G+C content. Int J Syst Evol Microbiol 2003; 53:1607-1608.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 53, part 5 of the IJSEM. Int J Syst Evol Microbiol 2004; 54:3-6.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Sulfolobus hakonensis Takayanagi et al. 1996	homotypic synonym, validly published under the ICNP

• 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 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 6 times in PubMed until 2025-06-04.

Parent taxon: Metallosphaera Huber et al. 1989

Assigned by: Kurosawa N, Itoh YH, Itoh T. Reclassification of Sulfolobus hakonensis Takayanagi et al. 1996 as Metallosphaera hakonensis comb. nov. based on phylogenetic evidence and DNA G+C content. Int J Syst Evol Microbiol 2003; 53:1607-1608.

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Record number: 777778