Name: Thermoanaerobacter yonseiensis Kim et al. 2001

Category: Species

Proposed as: sp. nov.

Etymology: yon.sei.en’sis. N.L. masc. adj. yonseiensis, pertaining to Yonsei University, Seoul, Korea, in recognition of its support of research on extreme thermophiles and their thermostable enzymes

Pronunciation, gender: … yon-se͡i-EN-sis, masculine

Type strain: DSM 13777; KB-1; KFCC 11116

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF212925 Analyse FASTA

Valid publication: Kim BC, Grote R, Lee DW, Antranikian G, Pyun YR. Thermoanaerobacter yonseiensis sp. nov., a novel extremely thermophilic, xylose-utilizing bacterium that grows at up to 85 degrees C. Int J Syst Evol Microbiol 2001; 51:1539-1548. 🇰🇷

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 51, part 4 of the IJSEM. Int J Syst Evol Microbiol 2001; 51:1621-1623.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Caldanaerobacter subterraneus subsp. yonseiensis (Kim et al. 2001) Fardeau et al. 2004

Risk group: 1

• Synonyms:

  • Name	Kind
    Caldanaerobacter subterraneus subsp. yonseiensis (Kim et al. 2001) Fardeau et al. 2004	homotypic synonym, validly published under the ICNP, distinct rank

• Notes:
  • ❗ Thermoanaerobacter yonseiensis is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Thermoanaerobacter.
  • 😷 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 6 times in PubMed until 2025-06-04.
  • 🧍 May not be validly published. KFCC 11116 is a patent strain. Publication: Oren A, Arahal DR, Goker M, Moore ERB, Rossello-Mora R, Sutcliffe IC. International Code of Nomenclature of Prokaryotes. Prokaryotic Code (2022 Revision). Int J Syst Evol Microbiol 2023; 73:5585. 🇮🇱

Parent taxon: Thermoanaerobacter Wiegel and Ljungdahl 1982

Assigned by: Kim BC, Grote R, Lee DW, Antranikian G, Pyun YR. Thermoanaerobacter yonseiensis sp. nov., a novel extremely thermophilic, xylose-utilizing bacterium that grows at up to 85 degrees C. Int J Syst Evol Microbiol 2001; 51:1539-1548. 🇰🇷

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Record number: 782518