Online Microbiology and Biology Study Notes
Image Source: House Call, MD Some of the characteristics are as follows: Basic Characteristics Properties (Gardnerella vaginalis) Capsule Negative (-ve) Catalase Negative (-ve) Flagella Negative (-ve) Gas Negative (-ve) Gelatin Hydrolysis Negative (-ve) Gram Staining Gram negative (-ve) or Gram variable H2S Negative (-ve) Hemolysis Positive (+ve) (Human or Rabbit Blood) Indole Negative (-ve) Motility Negative (-ve) MR (Methyl Red) …
Habitat of Gardnerella vaginalis Normal flora in 40% female (small amount) Found in urine Rarely in blood and wound Found in the anorectal flora of healthy adults of both sexes and as well as children. Isolated from normal vagina of reproductive age female & male urethra (partners of women with bacterial vaginosis). Optimum pH for growth in between 6 and 7. …
Laboratory diagnosis of Bacterial vaginosis caused by Gardnerella vaginalis Specimen: Vaginal discharge specimen A. Direct Microscopic Examination Bacterial Vaginosis (BV) is characterized by a foul-smelling discharge. A diagnosis/confirmation is done microscopically by examination of gram stains to detect change in vaginal ecology. A smear of vaginal fluid or vaginal swab is gram stained which reveals the presence of Gram negative …
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