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Table 2 Antimicrobial susceptibility profiles of ESBL-producing E. coli isolates used in the conjugation experiments

From: Molecular characteristics of extended-spectrum β-lactamase-producing Escherichia coli isolated from the rivers and lakes in Northwest China

Isolates MIC (μg/ml) of antimicrobials Presence of
AMP AMC TIM CTX CAZ CEX FOX MEM TEC TPH CIP GEN SXT β-lactamase genes PMQR genes
Donors
 HH1609014 256 32 32 32 4 32 8 0.03 32 2 0.5 32 128 CTX-M-14  
 XY1608045 512 32 16 32 64 4 2 0.125 64 32 64 32 32 CTX-M-14 aac(6′)-Ib-cr
 EH1607014 256 32 32 64 64 128 16 0.063 32 64 128 16 64 TEM-1, CTX-M-14 aac(6′)-Ib-cr
 WH1510002 256 32 32 32 128 64 1 0.063 0.25 1 2 4 16 CTX-M-9 qnrB, aac(6′)-Ib-cr
 BA1605022 512 64 16 64 8 64 2 0.063 64 0.25 32 2 64 CTX-M-9, CTX-M-14 qnrS, aac(6′)-Ib-cr
 QX1604103 256 64 32 4 256 128 32 0.03 128 128 128 64 256 TEM-1, SHV-2, CTX-M-14, CTX-M-123 qnrB, aac(6′)-Ib-cr
 SC1610005 512 64 32 32 8 64 32 0.03 32 2 16 32 128 TEM-1, SHV-12, CTX-M-15 qnrS, aac(6′)-Ib-cr
 XW1609038 256 32 32 32 4 64 16 4 0.25 0.5 64 128 64 CTX-M-15 qnrB, aac(6′)-Ib-cr
 GG1509025 256 64 16 4 2 32 2 0.125 128 64 2 64 64 TEM-1, SHV-12, CTX-M-65 aac(6′)-Ib-cr
 GG1610109 512 64 32 128 64 128 32 16 128 128 128 128 128 CTX-M-9, CTX-M-15, CTX-M-123, KPC-2, NDM-1, OXA-2 qepA, qnrS, aac(6′)-Ib-cr
Recipient J53AZr 4 1 1 0.125 0.063 0.063 0.125 0.03 0.25 0.125 0.063 0.25 0.25   
Transformants
 Trans-HH1609014 128 16 16 16 1 8 8 0.03 0.5 0.25 0.125 0.25 0.5 CTX-M-14  
 Trans-XY1608045 256 32 16 16 32 0.5 0.5 0.063 0.25 0.125 0.125 0.125 0.25 CTX-M-14 aac(6′)-Ib-cr
 Trans-EH1607014 256 16 16 32 32 64 8 0.03 0.125 0.125 0.5 0.125 1 CTX-M-14 aac(6′)-Ib-cr
 Trans-WH1510002 128 32 16 32 32 64 0.5 0.03 0.063 0.063 0.063 0.063 0.25 CTX-M-9 aac(6′)-Ib-cr
 Trans-BA1605022 128 32 32 64 1 16 0.5 0.03 0.5 0.063 0.125 0.03 0.5 CTX-M-9, CTX-M-14 qnrS, aac(6′)-Ib-cr
 Trans-QX1604103 128 32 32 1 64 64 16 0.125 0.125 0.125 0.5 0.125 2 TEM-1, CTX-M-14 aac(6′)-Ib-cr
 Trans-SC1610005 128 16 16 16 1 16 4 0.03 0.5 0.25 0.5 0.5 1 TEM-1, SHV-12, CTX-M-15 qnrS, aac(6′)-Ib-cr
 Trans-XW1609038 128 16 16 16 1 32 16 0.063 0.063 0.063 0.125 0.25 0.5 CTX-M-15 qnrB, aac(6′)-Ib-cr
 Trans-GG1509025 256 32 16 1 0.5 32 1 0.063 0.125 0.125 0.125 0.125 0.25 SHV-12, CTX-M-65 aac(6′)-Ib-cr
 Trans-GG1610109 256 32 32 32 32 64 16 0.03 0.25 0.063 1 0.25 0.5 CTX-M-15, CTX-M-123, KPC-2, NDM-1 qepA, qnrS, aac(6′)-Ib-cr