| Basic Characteristics | Properties (Helicobacter pylori) |
| Capsule | Non-Capsulated |
| Catalase | Positive (+ve) |
| Flagella | Flagellated |
| Glycine (1%) Tolerance | Negative (-ve) |
| Gram Staining | Negative (-ve) |
| Growth at 25, 30 and 45°C | Negative (-ve) |
| Growth at 35 and 40°C | Positive (+ve) |
| Growth at 0.5 and 0.75 % NaCl | Positive (+ve) |
| Growth at 1.00 and 1.25 % NaCl | Positive (+ve) |
| Growth at 1.5 % NaCl | Negative (-ve) |
| H2S | Positive (+ve) |
| Motility | Motile |
| Nitrate Reduction | Negative (-ve) |
| Oxidase | Positive (+ve) |
| Shape | Rods |
| Spore | Non-Sporing |
| Urease | Positive (+ve) |