Table 2.
Biofilm formation on PVC, glass and genes detection in Salmonella serotypes
| Strains | Biofilm formation on PVC | Biofilm formation on glass | Presence of genes | ||||
|---|---|---|---|---|---|---|---|
| MTT reduction (mean OD578 ± SD) | Biofilm state | MTT reduction (mean OD578 ± SD) | Biofilm state | stn | sef | pef | |
| S1: S. Enteritidis | 2.13±0.21 | moderate | 4.35±0.01 | strong | + | ||
| S2: S. Enteritidis | 1.89±0.17 | weak | 4.11±0.04 | strong | + | + | |
| S3: S. Enteritidis | 2.70±0.09 | moderate | 5.06±0.01 | strong | + | ||
| S4: S. Enteritidis | 2.19±0.15 | moderate | 4.24±0.13 | strong | + | ||
| S5: S. Enteritidis | 2.10±0.14 | moderate | 4.7±0.02 | strong | + | + | |
| S6: S. Enteritidis | 1.96±0.06 | weak | 4.17±0.12 | strong | + | ||
| S7: S. Amsterdam | 1.98±0.05 | weak | 4.27±0.05 | strong | + | ||
| S8: S. Muenster | 2.17±0.13 | moderate | 4.07±0.08 | strong | |||
| S9: S. Kentucky | 2.33±0.18 | moderate | 3.65±0.15 | moderate | + | ||
| S10: S. Zanzibar | 2.64±0.17 | moderate | 1.68±0.06 | weak | |||
| S11: S. Arizona | 1.68±0.001 | weak | 5.50±0.01 | strong | |||
| S12: S. Wangata | 2.34±0.12 | moderate | 5.6±0.08 | strong | |||
| S13: S. Braenderup | 1.97±0.04 | weak | 4.15±0.01 | strong | |||
| S14: S. Montevideo | 2.03±0.03 | moderate | 2.82±0.13 | moderate | |||
| S15: S. Cerro | 2.46±0.23 | moderate | 3.77±0.01 | moderate | |||
| S16: S. Agona | 2.10±0.20 | moderate | 2.60±0.06 | moderate | |||
| S17: S. Hadar | 1.58±0.07 | weak | 3.02±0.17 | moderate | + | ||
| S18 : S. Newport | 1.74±0.14 | weak | 3.29±0.06 | moderate | |||
| S19: S. Altona | 2.23±0.20 | moderate | 3.10±0.13 | moderate | |||
| S20: S. Schwarzengrund | 1.39±0.08 | weak | 2.88±0.11 | moderate | |||
| S21: S. Typhimurium 14028s | 1.41±0.09 | weak | 3.64±0.03 | moderate | + | + | |
| S22: S. Typhimurium LT2 DT104 | 1.87±0.14 | weak | 4.01±0.08 | strong | + | + | |