Fig. 4
Pulsed-field gel electrophoresis (PFGE) dendrogram, antibiotic resistance profiles, and sequence types (STs) of clinical S. Typhimurium isolates resistant to both ciprofloxacin and cephalosporins. Strain number, year of isolation, place of origin, species, profile number and ST are listed after each PFGE profile. FOX, cefoxitin; AXO, ceftriaxone; AZI, azithromycin; CHL, chloramphenicol; TET, tetracycline; CIP, ciprofloxacin; GEN, gentamicin; NAL, nalidixic acid; FIS, sulfisoxazole; AMP, ampicillin; STR, streptomycin; AUG_2, amoxicillin/clavulanic acid, 2:1 ratio; SXT, trimethoprim/sulfamethoxazole. Black indicates “resistant,” grey “intermediate susceptibility,” and white “sensitive”