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Growth kinetics of E. coli recipients harboring pC193 (IncI1 CTX-M-65-encoding plasmid), pV38-8 (IncA/C CTX-M-2-encoding plasmid), or both plasmids. (a) E. coli MG1655. (b) E. coli ER-B1 (a wild-type isolate of phylogroup B1). The data are representative of three independent experiments. The error bars represent standard deviations.
