| Basic Characteristics | Properties (Listeria monocytogenes) |
| CAMP | Positive (+ve) |
| Catalase | Positive (+ve) |
| Flagella | Flagellated |
| Gas | Negative (-ve) |
| Gram Staining | Positive (+ve) |
| H2S | Negative (-ve) |
| Hemolysis | Beta Hemolysis |
| Indole | Negative (-ve) |
| Motility | Motile |
| MR (Methyl Red) | Positive (+ve) |
| Nitrate Reduction | Negative (-ve) |
| Oxidase | Negative (-ve) |
| Shape | Rods |
| Spore | Non-Sporing |
| Urease | Negative (-ve) |
| VP (Voges Proskauer) | Positive (+ve) |
| Arabinose | Negative (-ve) |
| Dextrin | Variable |
| Galactose | Variable |
| Gluconate | Negative (-ve) |
| D-Glucose | Positive (+ve) |
| Glycerol | Positive (+ve) |
| Glycogen | Negative (-ve) |
| Hippurate | Positive (+ve) |
| Lactose | Positive (+ve) |
| D-Mannitol | Negative (-ve) |
| Melezitose | Positive (+ve) |
| Melibiose | Negative (-ve) |
| Rhamnose | Positive (+ve) |
| Ribose | Negative (-ve) |
| Sorbitol | Variable |
| Starch | Negative (-ve) |
| Sucrose | Positive (+ve) |
| Trehalose | Positive (+ve) |
| Xylose | Negative (-ve) |
| Acid Phosphatase | Positive (+ve) |
| Arginine Dehydrolase | Positive (+ve) |
| Cellulose | Negative (-ve) |
| Esculin Hydrolysis | Positive (+ve) |
| Lecithinase | Positive (+ve) |
| Tryptophanase | Negative (-ve) |