Name: Olsenella scatoligenes Li et al. 2015

Category: Species

Proposed as: sp. nov.

Etymology: sca.to.li’ge.nes. N.L. n. scatolum, skatole; Gr. suff. -genes, producing; from Gr. ind. v. gennaô, to produce; N.L. fem. part. adj. scatoligenes, skatole-producing

Pronunciation, gender: ska-to-LI-ge-nes, feminine

Type strain: DSM 28304; JCM 19907; SK9K4

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: JX905358 Analyse FASTA

Valid publication: Li X, Jensen RL, Hojberg O, Canibe N, Jensen BB. Olsenella scatoligenes sp. nov., a 3-methylindole- (skatole) and 4-methylphenol- (p-cresol) producing bacterium isolated from pig faeces. Int J Syst Evol Microbiol 2015; 65:1227-1233.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 65, part 4 of the IJSEM. Int J Syst Evol Microbiol 2015; 65:2026-2027.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Tractidigestivibacter scatoligenes (Li et al. 2015) Zgheib et al. 2021

Risk group: 1

• Synonyms:

  • Name	Kind
    Tractidigestivibacter scatoligenes (Li et al. 2015) Zgheib et al. 2021	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Olsenella scatoligenes 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 Olsenella.
  • 😷 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 8 times in PubMed until 2025-06-04.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of 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.
  • 🧍 The phylogenetic position of this species was determined in a genome-scale analysis by Nouioui et al. (2018). Publication: Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007.

Parent taxon: Olsenella Dewhirst et al. 2001

Assigned by: Li X, Jensen RL, Hojberg O, Canibe N, Jensen BB. Olsenella scatoligenes sp. nov., a 3-methylindole- (skatole) and 4-methylphenol- (p-cresol) producing bacterium isolated from pig faeces. Int J Syst Evol Microbiol 2015; 65:1227-1233.

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Record number: 792684