Name: Thermus oshimai Williams et al. 1996

Category: Species

Proposed as: sp. nov.

Etymology: o.shi’ma.i. N.L. gen. masc. n. oshimai, of Oshina, named after Tairo Oshima

Pronunciation (Latin), gender: … o-S͡HI-ma-i, masculine

Type strain: ATCC 700435; DSM 12092; JCM 11603; NCIMB 13400; SPS17

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: Y18416 Analyse FASTA

Valid publication: Williams RA, Smith KE, Welch SG, Micallef J. Thermus oshimai sp. nov., isolated from hot springs in Portugal, Iceland, and the Azores, and comment on the concept of a limited geographical distribution of Thermus species. Int J Syst Bacteriol 1996; 46:403-408. 🇬🇧

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 46, part 2 of the IJSB. Int J Syst Bacteriol 1996; 46:838.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • García-López et al. 2019 Garcia-Lopez M, Meier-Kolthoff JP, Tindall BJ, Gronow S, Woyke T, Kyrpides NC, Hahnke RL, Goker M. Analysis of 1,000 Type-Strain Genomes Improves Taxonomic Classification of Bacteroidetes. Front Microbiol 2019; 10:2083. 🇩🇪 Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.
    Notes:
    • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project.

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.20954 (N = 2).
  • 😷 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 18 times in PubMed until 2025-06-04.

Parent taxon: Thermus Brock and Freeze 1969 (Approved Lists 1980)

Assigned by: Williams RA, Smith KE, Welch SG, Micallef J. Thermus oshimai sp. nov., isolated from hot springs in Portugal, Iceland, and the Azores, and comment on the concept of a limited geographical distribution of Thermus species. Int J Syst Bacteriol 1996; 46:403-408. 🇬🇧

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Record number: 782664