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Table 2 Antimicrobial MIC Values of STEC non-O157 strains examined in this study

From: Antimicrobial resistance profiles of Shiga toxin-producing Escherichia coli O157 and Non-O157 recovered from domestic farm animals in rural communities in Northwestern Mexico

Serotypea Strain Sourceb Antimicrobial MIC Values (μg/mL)
AMC AMK AMP CAZ CEF CFP CHL CIP CRO GEN IPM KAN NAL SXT TET
O8:NT RM8766 Sheep ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 ≤ 8 ≤ 16 ≤ 8 ≤ 1 ≤ 1 ≤ 4 ≤ 1 ≤ 16 ≤ 16 ≤ 2/38 ≤ 4
O8:H19 RM8772 Cattle ≤ 8/4 32d ≤ 8 ≤ 4 16d ≤ 16 16d ≤ 1 ≤ 1 ≤ 4 ≤ 1 32d ≤ 16 ≤ 2/38 ≤ 4
RM8773 Cattle ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 ≤ 8 ≤ 16 ≤ 8 ≤ 1 ≤ 1 ≤ 4 ≤ 1 ≤ 16 ≤ 16 ≤ 2/38 ≤ 4
RM8774 Cattle ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 16d ≤ 16 16d ≤ 1 ≤ 1 ≤ 4 ≤ 1 ≤ 16 ≤ 16 ≤ 2/38 ≤ 4
RM8775 Cattle ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 ≥ 32c ≤ 16 16d ≤ 1 ≤ 1 ≤ 4 ≤ 1 32d ≤ 16 ≤ 2/38 ≤ 4
RM8776 Cattle ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 ≥ 32c ≤ 16 ≥ 32c ≤ 1 ≤ 1 ≤ 4 ≤ 1 32d ≤ 16 ≤ 2/38 ≤ 4
O15:NT RM8747 Cattle ≥ 32/16c ≤ 16 ≥ 32c ≤ 4 ≥ 32c ≤ 16 16d ≤ 1 ≤ 1 ≤ 4 ≤ 1 ≤ 16 ≤ 16 ≤ 2/38 ≤ 4
O20:H4 RM8749 Sheep ≤ 8/4 ≤ 16 ≥ 32c ≤ 4 16d ≤ 16 ≥ 32c ≤ 1 ≤ 1 ≤ 4 ≤ 1 ≤ 16 ≤ 16 ≤ 2/38 ≥ 16c
RM8750 Sheep ≤ 8/4 ≤ 16 16d ≤ 4 ≥ 32c ≤ 16 ≤ 8 ≤ 1 ≤ 1 ≤ 4 ≤ 1 ≤ 16 ≤ 16 ≤ 2/38 ≥ 16c
RM8751 Sheep ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 16d ≤ 16 ≤ 8 ≤ 1 ≤ 1 ≤ 4 ≤ 1 32d ≤ 16 ≤ 2/38 ≥ 16c
O73:NT RM8748 Cattle ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 16d ≤ 16 16d ≤ 1 ≤ 1 ≤ 4 ≤ 1 ≤ 16 ≤ 16 ≤ 2/38 ≤ 4
O73:H4 RM8745 Sheep ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 ≥ 32c ≤ 16 ≤ 8 ≤ 1 ≤ 1 ≤ 4 ≤ 1 32d ≤ 16 ≤ 2/38 ≤ 4
RM8746 Sheep ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 ≥ 32c ≤ 16 16d ≤ 1 ≤ 1 ≤ 4 ≤ 1 32d ≤ 16 ≤ 2/38 ≤ 4
O75:H8 RM8752 Sheep ≤ 8/4 ≤ 16 16d ≤ 4 ≥ 32c ≤ 16 ≤ 8 ≤ 1 ≤ 1 ≤ 4 ≤ 1 32d ≤ 16 ≤ 2/38 ≤ 4
RM8760 Sheep ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 ≤ 8 ≤ 16 16d ≤ 1 ≤ 1 ≤ 4 ≤ 1 ≤ 16 ≤ 16 ≤ 2/38 ≤ 4
RM8763 Sheep ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 ≤ 8 ≤ 16 ≤ 8 ≤ 1 ≤ 1 ≤ 4 ≤ 1 ≤ 16 ≤ 16 ≤ 2/38 ≤ 4
RM8764 Sheep ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 ≤ 8 ≤ 16 16d ≤ 1 ≤ 1 ≤ 4 ≤ 1 ≤ 16 ≤ 16 ≤ 2/38 ≤ 4
RM8765 Sheep ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 16d ≤ 16 ≤ 8 ≤ 1 ≤ 1 ≤ 4 ≤ 1 32d ≤ 16 ≤ 2/38 ≤ 4
RM8778 Sheep ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 ≥ 32c ≤ 16 16d ≤ 1 ≤ 1 ≤ 4 ≤ 1 32d ≤ 16 ≤ 2/38 ≤ 4
RM8779 Sheep ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 16d ≤ 16 16d ≤ 1 ≤ 1 ≤ 4 ≤ 1 ≤ 16 ≤ 16 ≤ 2/38 ≤ 4
RM8780 Sheep ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 ≤ 8 ≤ 16 16d ≤ 1 ≤ 1 ≤ 4 ≤ 1 ≤ 16 ≤ 16 ≤ 2/38 ≤ 4
RM8923 Cattle ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 16d ≤ 16 16d ≤ 1 ≤ 1 ≤ 4 ≤ 1 32d ≤ 16 ≤ 2/38 ≤ 4
RM8929 Sheep ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 16d ≤ 16 16d ≤ 1 ≤ 1 ≤ 4 ≥ 4c 32d ≤ 16 ≤ 2/38 ≤ 4
RM8930 Sheep ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 16d ≤ 16 16d ≤ 1 ≤ 1 ≤ 4 ≤ 1 32d ≤ 16 ≤ 2/38 ≤ 4
RM13865 Cattle ≤ 8/4 ≤ 16 ≥ 32c ≤ 4 16d ≤ 16 ≤ 8 ≤ 1 ≤ 1 ≤ 4 ≤ 1 32d ≤ 16 ≤ 2/38 ≤ 4
O111:H8 RM8755 Sheep ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 16d ≤ 16 ≤ 8 ≤ 1 ≤ 1 ≥ 16c ≤ 1 ≤ 16 ≤ 16 ≤ 2/38 ≤ 4
RM8916 Sheep ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 ≥ 32c ≤ 16 16d ≤ 1 ≤ 1 ≤ 4 ≤ 1 ≤ 16 ≤ 16 ≤ 2/38 ≤ 4
O146:H8 RM8762 Sheep ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 ≤ 8 ≤ 16 ≤ 8 ≤ 1 ≤ 1 ≤ 4 ≤ 1 ≤ 16 ≤ 16 ≤ 2/38 ≤ 4
O146:H21 RM8756 Sheep ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 ≤ 8 ≤ 16 ≤ 8 ≤ 1 ≤ 1 ≤ 4 ≤ 1 ≤ 16 ≤ 16 ≤ 2/38 ≤ 4
RM8757 Sheep ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 ≤ 8 ≤ 16 16d ≤ 1 ≤ 1 ≤ 4 ≤ 1 ≤ 16 ≤ 16 ≤ 2/38 ≤ 4
RM8758 Sheep ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 16d ≤ 16 16d ≤ 1 ≤ 1 ≤ 4 ≤ 1 32d ≤ 16 ≤ 2/38 ≤ 4
RM8761 Sheep ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 16d ≤ 16 ≤ 8 ≤ 1 ≤ 1 ≤ 4 ≤ 1 ≤ 16 ≤ 16 ≤ 2/38 ≤ 4
O168:NT RM8917 Cattle ≤ 8/4 ≤ 16 ≤ 8 ≤ 4 16d ≤ 16 ≤ 8 ≤ 1 ≤ 1 ≤ 4 ≤ 1 32d ≤ 16 ≤ 2/38 ≤ 4
  1. aNT, Non-typeable H-antigen
  2. bDomestic animal samples were collected from distinct regions in the Culiacan Valley, Sinaloa, Mexico [16]
  3. cMIC value indicates resistance to the tested antimicrobial, according to CLSI guidelines [23]
  4. dMIC value indicates an intermediate susceptibility to the tested antimicrobial, according to CLSI guidelines [23]