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Table 2 MICs of E. coli J53/pSGB23 and S. Saintpaul SGB23 to various antibiotics (unit: μg/ml)

From: Characterization of a novel multidrug resistance plasmid pSGB23 isolated from Salmonella enterica subspecies enterica serovar Saintpaul

  E. coli J53 E. coli J53/pSGB23 S. Saintpaul SGB23
Ampicillin 32 > 1024 > 1024
Carbenicillin 16 > 1024 > 1024
Ceftriaxone 1 8 8
Azithromycin 8 32 64
Ciprofloxacin 0.03 0.5 1
Chloramphenicol 16 > 64 > 64
Fosfomycin 1 > 64 > 64
Gentamicin 2 128 128
Streptomycin 8 32 32
Tetracycline 2 64 64
Trimethoprim 0.5 > 256 > 256
Sulfadimethoxine 64 > 256 > 256
Cetrimonium bromide 16 64 64
Cetylpyridinium chloride 8 16 16
Colistin 1 1 2
  1. E. coli J53/pSGB23 and S. Saintpaul SGB23 shared similar resistance profiles with increased resistance to nine classes of antibiotics and QACs, whereas they remain sensitive to colistin