Name: Ornithinibacillus contaminans Kämpfer et al. 2010

Category: Species

Proposed as: sp. nov.

Etymology: con.ta’mi.nans. L. masc. part. adj. contaminans, contaminating, polluting, referring to the isolation of the type strain as a contaminant of a human blood sample

Gender: masculine

Type strain: CCUG 53201; DSM 22953

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: KF425516 Analyse FASTA

Valid publication: Kampfer P, Falsen E, Lodders N, Langer S, Busse HJ, Schumann P. Ornithinibacillus contaminans sp. nov., an endospore-forming species. Int J Syst Evol Microbiol 2010; 60:2930-2934. 🇩🇪

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 60, part 12 of the IJSEM. Int J Syst Evol Microbiol 2011; 61:477-478.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.08968 (N = 80).
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 2 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — 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 the species itself.

Parent taxon: Ornithinibacillus Mayr et al. 2006

Assigned by: Kampfer P, Falsen E, Lodders N, Langer S, Busse HJ, Schumann P. Ornithinibacillus contaminans sp. nov., an endospore-forming species. Int J Syst Evol Microbiol 2010; 60:2930-2934. 🇩🇪

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Record number: 788962