Gardnerella vaginalis

Gardnerella vaginalis
Microscopic picture of vaginal epithelial clue cells coated with Gardnerella vaginalis, magnified 400 times
Microscopic picture of vaginal epithelial clue cells coated with Gardnerella vaginalis, magnified 400 times
Scientific classification Edit this classification
Domain: Bacteria
Phylum: Actinomycetota
Class: Actinomycetia
Order: Bifidobacteriales
Family: Bifidobacteriaceae
Genus: Gardnerella
Species:
G. vaginalis
Binomial name
Gardnerella vaginalis
(Gardner and Dukes 1955)[1] Greenwood and Pickett 1980[2]

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.[3]

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[4] agar. A selective medium for G. vaginalis is colistin-oxolinic acid blood agar.

  1. ^ Gardner HL, Dukes CD (1955). "Haemophilus vaginalis vaginitis. A newly defined specific infection previously classified 'Non-specific vaginitis'". Am J Obstet Gynecol. 69 (5): 962–976. doi:10.1016/0002-9378(55)90095-8. PMID 14361525.
  2. ^ J. R. Greenwood; M. J. Pickett (January 1980). "Transfer of Haemophilus vaginalis Gardner and Dukes to a New Genus, Gardnerella: G. vaginalis (Gardner and Dukes) comb. nov". International Journal of Systematic Bacteriology. 30 (1): 170–178. doi:10.1099/00207713-30-1-170.
  3. ^ Taylor-Robinson D (1984). "The bacteriology of Gardnerella vaginalis". Scandinavian Journal of Urology and Nephrology. Supplementum. 86: 41–55. PMID 6399409.
  4. ^ Totten, P A; Amsel, R; Hale, J; Piot, P; Holmes, K K (January 1982). "Selective differential human blood bilayer media for isolation of Gardnerella (Haemophilus) vaginalis". Journal of Clinical Microbiology. 15 (1): 141–147. doi:10.1128/jcm.15.1.141-147.1982. ISSN 0095-1137. PMC 272039. PMID 6764766.