Species Actinotignum inguinis

Name: Actinotignum inguinis Winterflood et al. 2026

Category, proposed as: species, sp. nov.

Etymology: in.gui’nis. L. gen. neut. n. inguinis, from a groin

Pronunciation (Latin), gender: ak-ti-no-TI-n͡gnum in-GU͡I-nis, neuter

Type strain: CCUG 77578; LMG 33440; usb_actsch_31

Conduct genome-based taxonomy at

16S rRNA gene: PV889330 Analyse FASTA

Effective publication: Winterflood DM, Segui-Crespi G, Peeters C, Lang C, Ivan B, Keller PM, Schlaepfer P, Moore ERB, Vandamme P, Goldenberger D. Whole-genome sequence analyses reveal cryptic species-level diversity among clinical Actinotignum isolates misidentified by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. Microbiol Spectr 2026; 14:e0219025. 🇨🇭

IJSEM list: Oren A, Göker M. Validation list no. 231. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2026; 76:7238.

Nomenclatural status: validly published under the ICNP

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

• Notes:
  • 🎓 Name mentioned 0 times in PubMed until 2026-10-15.
  • 🙆 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.

Parent taxon: Actinotignum Yassin et al. 2015

Assigned by: Winterflood DM, Segui-Crespi G, Peeters C, Lang C, Ivan B, Keller PM, Schlaepfer P, Moore ERB, Vandamme P, Goldenberger D. Whole-genome sequence analyses reveal cryptic species-level diversity among clinical Actinotignum isolates misidentified by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. Microbiol Spectr 2026; 14:e0219025. 🇨🇭

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.71750Copy to clipboardLink copied to clipboard

Record number: 71750

• Previous versions:

  • Version	Date	JSON
    1	2026-06-11