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Additional recommended knowledge
Once classified as a species of Haemophilus, G. vaginalis grows as small, circular, convex, gray colonies on chocolate agar; it will also grow on HBT agar. A selective medium for G. vaginalis is colistin-oxolinic acid blood agar.
While typically isolated in genital cultures, it may also be detected from other sources, such as blood, urine and pharynx. Although a chief cause of bacterial vaginosis, it may be isolated from women without any signs or symptoms of infection.
Under the microscope it appears as a gram-negative rod, although it has been reported to have a gram-positive cell wall. It is associated microscopically with clue cells, which are epithelial cells covered in bacteria.
Infections with G. vaginalis go along with proteolysis, giving nitrous products such as cadaverines and putrescines, which can cause a bad smell and loss of water. One method of treatment is metronidazole.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Gardnerella". A list of authors is available in Wikipedia.|