Table 2.
Antibacterial activity of Photorhabdus extracts against drug resistant bacteria as assessed by minimal inhibitory concentration and minimal bactericidal concentration (mg/ml).
| Bacteria list (Code) | Concentration of inhibition (mg/ml) |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
S. aureus ATCC® 20475 (MRSA) |
PB36 S. aureus (MRSA) |
PB57 S. aureus (MRSA) |
E. coli ATCC® 35218 |
PB30 P. aeruginosa (MDR) |
||||||
| MIC | MBC | MIC | MBC | MIC | MBC | MIC | MBC | MIC | MBC | |
| P. luminescens subsp. akhurstii (bMW1.2_TH) | 1.95 | 1.95 | 1.95 | 1.95 | 3.90 | 3.90 | ND | ND | ND | ND |
| P. luminescens subsp. akhurstii (bMW8.1_TH) | 1.95 | 1.95 | 1.95 | 1.95 | 3.125 | 3.125 | ND | ND | ND | ND |
| P. temperata subsp. temperata (bMW27.4_TH) | 0.86 | 0.86 | 0.86 | 0.86 | 0.86 | 0.86 | 1.718 | 1.718 | 1.718 | 3.44 |
| P. luminescens subsp. akhurstii (bMW49.3_TH) | 1.95 | 1.95 | 1.95 | 1.95 | 1.95 | 0.98 | ND | ND | ND | ND |
| P. luminescens subsp. akhurstii (bMW56.5_TH) | 3.90 | 3.90 | 1.95 | 1.95 | 3.90 | 3.90 | ND | ND | ND | ND |
| P. luminescens subsp. akhurstii (bMW59.2_TH) | 3.90 | 7.81 | 1.95 | 1.95 | 3.90 | 3.90 | ND | ND | ND | ND |
| P. luminescens subsp. akhurstii (bMW59.5_TH) | 1.95 | 1.95 | 1.95 | 1.95 | 3.125 | 3.125 | ND | ND | ND | ND |
| P. luminescens subsp. akhurstii (bMW90.1_TH) | 7.81 | 7.81 | 1.95 | 1.95 | 1.95 | 3.90 | ND | ND | ND | ND |
| P. luminescens subsp. akhurstii (bMW103.2_TH) | 3.90 | 15.625 | 1.95 | 1.95 | 3.90 | 3.90 | ND | ND | ND | ND |
ND, not determined.