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. 2022 Jan 24;11(2):147. doi: 10.3390/pathogens11020147

Figure 3.

Figure 3

Survival of Salmonella Typhimurium ATCC 19585 (STWT) and clinically isolated antibiotic-resistant S. Typhimurium CCARM 8009 (STCI) treated with 1/2 MICs of ceftriaxone (CEF), chloramphenicol (CHL), ciprofloxacin (CIP), erythromycin (ERY), norfloxacin (NOR), and tetracycline (TET) in Chromobacterium violaceum-cultured cell-free supernatant (CFS) [○; untreated control, without (, , , , , Inline graphic), and with (, , , , , Inline graphic) phenylalanine-arginine β-naphthylamide (PAβN)]. ns, **, and *** indicate no significant difference (p > 0.05) and the significant difference between absence and presence of PAβN at p < 0.05, p < 0.01, and p < 0.001, respectively.