Name: Thermohydrogenium kirishiense Zacharova et al. 1996

Category: Species

Proposed as: sp. nov.

Etymology: ki.ri.shi.en’se. N.L. neut. adj. kirishiense, of or belonging to Kirishi

Gender: neuter

Type strain: DSM 11055; VKM B-2147; ZE-7

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: FR749963 Analyse FASTA

Effective publication: Zacharova EV, Mitrofanova TI, Krasilnikova EN, Kondratieva EN. Thermohydrogenium kirishiense gen. nov. and sp. nov., a new anaerobic thermophilic bacterium. Arch. Microbiol. 1993; 160:492-497.

IJSEM list: Anonymous. Validation list no. 57. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1996; 46:625-626.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Thermohydrogenium Zacharova et al. 1996. Publication: Zacharova EV, Mitrofanova TI, Krasilnikova EN, Kondratieva EN. Thermohydrogenium kirishiense gen. nov. and sp. nov., a new anaerobic thermophilic bacterium. Arch. Microbiol. 1993; 160:492-497.
  • 😷 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.
  • 🎓 Name mentioned 1 time in PubMed until 2024-03-28.
  • 🧍 Yarza et al. (2013) expected for accessions FR749963-FR749965, originating from the alleged type-strain deposit DSM 11055, an affiliation with Syntrophomonadaceae (Clostridia) but observed an affiliation with a deep branch in Clostridia and 98.3% similarity against Thermoanaerobacterium aotearoense. Publication: Yarza P, Sproer C, Swiderski J, Mrotzek N, Spring S, Tindall BJ, Gronow S, Pukall R, Klenk HP, Lang E, et al. Sequencing orphan species initiative (SOS): Filling the gaps in the 16S rRNA gene sequence database for all species with validly published names. Syst Appl Microbiol 2013; 36:69-73.
  • 🧍 The 16S rRNA gene sequence of the type strain shows an unexpected affiliation with a deep branch in Clostridia (98.3% similarity against Thermoanaerobacterium aotearoense). Publication: Yarza P, Sproer C, Swiderski J, Mrotzek N, Spring S, Tindall BJ, Gronow S, Pukall R, Klenk HP, Lang E, et al. Sequencing orphan species initiative (SOS): Filling the gaps in the 16S rRNA gene sequence database for all species with validly published names. Syst Appl Microbiol 2013; 36:69-73.

Parent taxon: Thermohydrogenium Zacharova et al. 1996

Assigned by: Zacharova EV, Mitrofanova TI, Krasilnikova EN, Kondratieva EN. Thermohydrogenium kirishiense gen. nov. and sp. nov., a new anaerobic thermophilic bacterium. Arch. Microbiol. 1993; 160:492-497.

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Record number: 782598