Name: Ilyobacter polytropus Stieb and Schink 1985

Category: Species

Proposed as: sp. nov.

Etymology: po.ly’tro.pus. N.L. masc. adj. polytropus, turning many ways, versatile, referring to metabolic versatility; from Gr. masc./fem. adj. polytropos

Gender: masculine

Type strain: ATCC 51220; CuHbu 1; DSM 2926

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ307981 Analyse FASTA

Effective publication: Stieb M, Schink B. A new 3-hydroxybutyrate fermenting anaerobe, Ilyobacter polytropus, gen. nov. sp. nov., possessing various fermentation pathways. Arch. Microbiol. 1984; 140:139-146.

IJSEM list: Anonymous. Validation list no. 18. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1985; 35:375-376.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Ilyobacter Stieb and Schink 1985. Publication: Stieb M, Schink B. A new 3-hydroxybutyrate fermenting anaerobe, Ilyobacter polytropus, gen. nov. sp. nov., possessing various fermentation pathways. Arch. Microbiol. 1984; 140:139-146.
  • 😷 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 2 times in PubMed until 2024-03-28.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Sikorski J, Chertkov O, Lapidus A, Nolan M, Lucas S, Del Rio TG, Tice H, Cheng JF, Tapia R, Han C, et al. Complete genome sequence of Ilyobacter polytropus type strain (CuHbu1). Stand Genomic Sci 2010; 3:304-314.

Parent taxon: Ilyobacter Stieb and Schink 1985

Assigned by: Stieb M, Schink B. A new 3-hydroxybutyrate fermenting anaerobe, Ilyobacter polytropus, gen. nov. sp. nov., possessing various fermentation pathways. Arch. Microbiol. 1984; 140:139-146.

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Record number: 777025