Table 1.
Protease activity of S. marcescens bacteria and supernatants.
| Bacteria Halo (mm) | Supernatant Halo (mm) | |||||
|---|---|---|---|---|---|---|
| Strain | Mean | SD | Confidence limits | mean | SD | Confidence limits |
| Sm89 | 12 a | ±0.7071 | (11.22–12.88) | 10.8 a | ±1.095 | (9.44–12.16) |
| Sm67 | 12 a | ±0.7071 | (11.22–12.88) | 11.2 a | ±0.4472 | (10.64–11.75) |
| Sm65 | 10 b | ±0.70.71 | (9.12–10.88) | 8.8 b | ±0.4472 | (8.24–9.35) |
| Sm81 | 10.8 b | ±0.4472 | (10.24–10.87) | 8.6 b | ±0.5477 | (7.92–9.28) |
| Sm73 | 12.2 a | ±0.4472 | (11.64–12.75) | 9.8 a | ±0.8367 | (8.76–10.84) |
Single colonies were grown on nutrient broth agar supplemented with milk. Halo diameters after 24 h are reported in millimeters. Similar letters denots no statistical difference. Differences in halo size were evaluated by ANOVA. Data are representative of five samples per strain.