| Basic Characteristics | Properties (Actinomyces israelii) |
| CAMP | Negative (-ve) |
| Capsule | Non-Capsulated |
| Catalase | Negative (-ve) |
| Flagella | Negative (-ve) |
| Gelatin Hydrolysis | Negative (-ve) |
| Gram Staining | Positive (+ve) |
| H2S | Positive (+ve) |
| Hemolysis | Negative (-ve) |
| Indole | Negative (-ve) |
| Motility | Non-Motile |
| MR (Methyl Red) | Positive (+ve) |
| Nitrate Reduction | Positive (+ve) |
| OF (Oxidative-Fermentative) | Anaerobic |
| Pigment | Negative (-ve) |
| Shape | Rod |
| Spore | Non-Sporing |
| Urease | Negative (-ve) |
| VP (Voges Proskauer) | Negative (-ve) |
| Adonitol | Negative (-ve) |
| Arabinose | Positive (+ve) |
| Cellobiose | Positive (+ve) |
| DNase | Negative (-ve) |
| Erythritol | Negative (-ve) |
| Fructose | Positive (+ve) |
| Glucose | Positive (+ve) |
| Glycerol | Negative (-ve) |
| Glycogen | Negative (-ve) |
| Hippurate | Negative (-ve) |
| Lactose | Positive (+ve) |
| Maltose | Positive (+ve) |
| Mannitol | Positive (+ve) |
| Mannose | Positive (+ve) |
| Melibiose | Variable |
| MyoInositol | Variable |
| Raffinose | Positive (+ve) |
| Rhamnose | Negative (-ve) |
| Ribose | Variable |
| Salicin | Variable |
| Sorbitol | Variable |
| Starch | Negative (-ve) |
| Sucrose | Positive (+ve) |
| Trehalose | Variable |
| Xylose | Positive (+ve) |
| Acid Phosphatase | Variable |
| Alkaline Phosphatase | Negative (-ve) |
| Arginine Dihydrolase | Positive (+ve) |
| Casein Hydrolysis | Negative (-ve) |
| Esculin Hydrolysis | Positive (+ve) |
| Lipase | Negative (-ve) |
| Lysine | Positive (+ve) |