
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) | Positive (+ve) |
| Nitrate Reduction | Negative (-ve) |
| Oxidase | Negative (-ve) |
| Shape | Pleomorphic Rods |
| Spore | Negative (-ve) |
| Urease | Negative (-ve) |
| VP (Voges Proskauer) | Negative (-ve) |
Fermentation of |
|
| Adonitol | Negative (-ve) |
| Arabinose | Variable |
| Arabitol | Negative (-ve) |
| Arbutin | Negative (-ve) |
| Cellobiose | Negative (-ve) |
| Dulcitol | Negative (-ve) |
| Fructose | Variable |
| Galactose | Variable |
| Glucose | Positive (+ve) |
| Glycerol | Negative (-ve) |
| Hippurate | Positive (+ve) |
| Inositol | Negative (-ve) |
| Inulin | Variable |
| Lactose | Negative (-ve) |
| Maltose | Positive (+ve) |
| Mannitol | Negative (-ve) |
| Mannose | Variable |
| Melibiose | Negative (-ve) |
| Raffinose | Negative (-ve) |
| Rhamnose | Negative (-ve) |
| Ribose | Positive (+ve) |
| Salicin | Negative (-ve) |
| Sorbitol | Positive (+ve) |
| Starch | Positive (+ve) |
| Sucrose | Negative (-ve) |
| Tagatose | Negative (-ve) |
| Trehalose | Negative (-ve) |
| Xylose | Negative (-ve) |
Enzymatic Reactions |
|
| Arginine Decarboxylase | Negative (-ve) |
| Casein Hydrolysis | Variable |
| Esculin Hydrolysis | Negative (-ve) |
| Esterase | Negative (-ve) |
| F6PPK | Positive (+ve) |
| a-D-glucosidase | Positive (+ve) |
| Lipase | Variable |
| Lysine dihydrolase | Negative (-ve) |
| N-acetyl-a-d-glucosaminidase | Positive (+ve) |
| ONPG (β-galactosidase) | Positive (+ve) |
| Ornithine Decarboxylase | Negative (-ve) |
| Phenylalanine Deaminase | Positive (+ve) |
| Phospholipase | Positive (+ve) |
| Tributyrin | Negative (-ve) |
References
- Michael Goodfellow et.al, editors, volume 5; William B. Whitman, director of the editorial office ; Aidan C. Parte, managing editor. (2012). Bergey’s Manual of Systematic Bacteriology. Volume 5, The Actinobacteria. New York :Springer
- https://www.sciencedirect.com/topics/medicine-and-dentistry/gardnerella-vaginalis
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC358241/
- https://academic.oup.com/jid/article/210/3/338/2908497
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC272015/
- https://www.ncbi.nlm.nih.gov/pubmed/12744579
- https://catalog.hardydiagnostics.com/cp_prod/Content/hugo/Gardnerella.htm
- https://cmr.asm.org/content/cmr/5/3/213.full.pdf