Gardnerella vaginalis
| Gardnerella vaginalis | |
|---|---|
| Microscopic picture of vaginal epithelial clue cells coated with Gardnerella vaginalis, magnified 400 times | |
| Scientific classification | |
| Domain: | Bacteria |
| Kingdom: | Bacillati |
| Phylum: | Actinomycetota |
| Class: | Actinomycetia |
| Order: | Bifidobacteriales |
| Family: | Bifidobacteriaceae |
| Genus: | Gardnerella |
| Species: | G. vaginalis |
| Binomial name | |
| Gardnerella vaginalis (Gardner and Dukes 1955) Greenwood and Pickett 1980 | |
Gardnerella vaginalis is a species of Gram-variable-staining facultative anaerobic bacteria. The organisms are small (1.0–1.5 μm in diameter) non-spore-forming, nonmotile coccobacilli.
Once classified as Haemophilus vaginalis and afterwards as Corynebacterium vaginalis, G. vaginalis grows as small, circular, convex, gray colonies on chocolate agar; it also grows on HBT agar. A selective medium for G. vaginalis is colistin-oxolinic acid blood agar.