Table 1.

Susceptibility of E. coli harboring the recombinant plasmids to β-lactams

E. coli strain (β-lactamase)MIC (μg/ml)
CefotaximeCefuroximeCefmenoximeCeftazidime
JM83/pGFSKa(SST-K)3.132000.7850
JM83/pGFR5 (SRT-1)3.132000.7850
JM83/pGFS11 (SST-1)3.131000.390.39
JM83/pHSG398<0.053.13<0.050.2
  • a The recombinant carrying the gene for SST-K.