Name: Gardnerella piotii Vaneechoutte et al. 2019

Category: Species

Proposed as: sp. nov.

Etymology: pi.o’ti.i. N.L. gen. masc. n. piotii, of Piot, named after Peter Piot, a Belgian microbiologist who first attempted to distinguish different groups within G. vaginalis

Pronunciation (Latin), gender: gard-ne-REL-la pi-O-ti-i, feminine

Type strain: ATCC TSD-590; CCUG 72427; LMG 30818; NCTC 14289; UGent 18.01

Conduct genome-based taxonomy at

16S rRNA gene: MH898664 Analyse FASTA

Valid publication: Vaneechoutte M, Guschin A, Van Simaey L, Gansemans Y, Van Nieuwerburgh F, Cools P. Emended description of Gardnerella vaginalis and description of Gardnerella leopoldii sp. nov., Gardnerella piotii sp. nov. and Gardnerella swidsinskii sp. nov., with delineation of 13 genomic species within the genus Gardnerella. Int J Syst Evol Microbiol 2019; 69:679-687. 🇧🇪

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 69, part 3 of the IJSEM. Int J Syst Evol Microbiol 2019; 69:1529-1530.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Notes:
  • 😷 The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 2. — 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 6 times in PubMed until 2026-06-11.
  • 🙆 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: Gardnerella Greenwood and Pickett 1980

Assigned by: Vaneechoutte M, Guschin A, Van Simaey L, Gansemans Y, Van Nieuwerburgh F, Cools P. Emended description of Gardnerella vaginalis and description of Gardnerella leopoldii sp. nov., Gardnerella piotii sp. nov. and Gardnerella swidsinskii sp. nov., with delineation of 13 genomic species within the genus Gardnerella. Int J Syst Evol Microbiol 2019; 69:679-687. 🇧🇪

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.800132Copy to clipboardLink copied to clipboard

Record number: 800132

• Previous versions:

  • Version	Date	JSON
    1	2026-03-31