Table 1.
Minimum inhibitory concentrations (MICs; µg/mL) of Salmonella Typhimurium ATCC 19585 (STWT) and clinically isolated antibiotic-resistant S. Typhimurium CCARM 8009 (STCI) in the absence and presence of phenylalanine-arginine-b-naphthylamide (PAβN).
| Antibiotic | Inhibitory Mechanism | STWT | STCI | ||
|---|---|---|---|---|---|
| w/o PAβN | w/ PAβN | w/o PAβN | w/ PAβN | ||
| Ceftriaxone (CEF) | Cell wall synthesis | 0.25 | 0.125 | 0.25 | 0.25 |
| Chloramphenicol (CHL) | Protein synthesis | 8 | 2 | 8 | 2 |
| Ciprofloxacin (CIP) | DNA gyrase | 0.031 | 0.016 | 0.063 | 0.031 |
| Erythromycin (ERY) | Protein synthesis | 256 | 2 | 256 | 2 |
| Norfloxacin (NOR) | DNA gyrase | 4 | 1 | 8 | 4 |
| Tetracycline (TET) | Protein synthesis | 8 | 4 | 512 | 64 |