| 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) |
| 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) |
| 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) |