Name: Hydrogenibacillus schlegelii (Schenk and Aragno 1981) Kämpfer et al. 2013

Category: Species

Proposed as: comb. nov.

Basonym: Bacillus schlegelii Schenk and Aragno 1981

Etymology: schle.ge’li.i. N.L. gen. masc. n. schlegelii, of Schlegel, named after H. G. Schlegel, a German microbiologist

Pronunciation, gender: s͡hle-GE-li-i, masculine

Type strain: ATCC 43741; CCUG 26017; CIP 106933; DSM 2000; LMG 7133; MA 48

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB042060 Analyse FASTA

Valid publication: Kampfer P, Glaeser SP, Busse HJ. Transfer of Bacillus schlegelii to a novel genus and proposal of Hydrogenibacillus schlegelii gen. nov., comb. nov. Int J Syst Evol Microbiol 2013; 63:1723-1727.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 63, part 5 of the IJSEM. Int J Syst Evol Microbiol 2013; 63:2755-2756.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 1

• Synonyms:

  • Name	Kind
    Bacillus schlegelii Schenk and Aragno 1981	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Hydrogenibacillus Kämpfer et al. 2013. Publication: Kampfer P, Glaeser SP, Busse HJ. Transfer of Bacillus schlegelii to a novel genus and proposal of Hydrogenibacillus schlegelii gen. nov., comb. nov. Int J Syst Evol Microbiol 2013; 63:1723-1727.
  • 😷 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 9 times in PubMed until 2025-06-04.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of other species in the genus.
  • 🧍 According to Ludwig et al. (2021), this "species is classified within the class Bacilli, but affiliates within the class Clostridia and may be reclassified". Publication: Ludwig W, Viver T, Westram R, Francisco Gago J, Bustos-Caparros E, Knittel K, Amann R, Rossello-Mora R. Release LTP_12_2020, featuring a new ARB alignment and improved 16S rRNA tree for prokaryotic type strains. Syst Appl Microbiol 2021; 44:126218.

Parent taxon: Hydrogenibacillus Kämpfer et al. 2013

Assigned by: Kampfer P, Glaeser SP, Busse HJ. Transfer of Bacillus schlegelii to a novel genus and proposal of Hydrogenibacillus schlegelii gen. nov., comb. nov. Int J Syst Evol Microbiol 2013; 63:1723-1727.

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Record number: 790706