Name: Sulfurisphaera ohwakuensis Kurosawa et al. 1998

Category: Species

Proposed as: sp. nov.

Etymology: oh.wa.ku.en’sis. N.L. masc./fem. adj. ohwakuensis, pertaining to Ohwaku Valley, referring to the place of isolation

Gender: feminine

Type strain: DSM 12421; IFO 15161; JCM 9065; NBRC 15161; TA-1

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: D85507 Analyse FASTA

Valid publication: Kurosawa N, Itoh YH, Iwai T, Sugai A, Uda I, Kimura N, Horiuchi T, Itoh T. Sulfurisphaera ohwakuensis gen. nov., sp. nov., a novel extremely thermophilic acidophile of the order Sulfolobales. Int J Syst Bacteriol 1998; 48:451-456.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 48, part 2 of the IJSB. Int J Syst Bacteriol 1998; 48:633-634.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • Tsuboi et al. 2018 Tsuboi K, Sakai HD, Nur N, Stedman KM, Kurosawa N, Suwanto A. Sulfurisphaera javensis sp. nov., a hyperthermophilic and acidophilic archaeon isolated from Indonesian hot spring, and reclassification of Sulfolobus tokodaii Suzuki et al. 2002 as Sulfurisphaera tokodaii comb. nov. Int J Syst Evol Microbiol 2018; 68:1907-1913. Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 68, part 6 of the IJSEM. Int J Syst Evol Microbiol 2018; 68:2710-2711.

• Notes:
  • 🥇 Nomenclatural type of the genus Sulfurisphaera Kurosawa et al. 1998. Publication: Kurosawa N, Itoh YH, Iwai T, Sugai A, Uda I, Kimura N, Horiuchi T, Itoh T. Sulfurisphaera ohwakuensis gen. nov., sp. nov., a novel extremely thermophilic acidophile of the order Sulfolobales. Int J Syst Bacteriol 1998; 48:451-456.
  • 😷 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.
  • 🎓 Name mentioned 8 times in PubMed until 2024-03-27.

Parent taxon: Sulfurisphaera Kurosawa et al. 1998

Assigned by: Kurosawa N, Itoh YH, Iwai T, Sugai A, Uda I, Kimura N, Horiuchi T, Itoh T. Sulfurisphaera ohwakuensis gen. nov., sp. nov., a novel extremely thermophilic acidophile of the order Sulfolobales. Int J Syst Bacteriol 1998; 48:451-456.

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Record number: 782325