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a,b) Results of S1‐PFGE of CP8‐3, CP55, and their respective subclones after serial passages in colistin and colistin‐free medium. c) Circular sequence alignment between the original mcr‐3.5‐bearing pCP55‐IncFII plasmid and its derivatives displaying loss of mcr‐3.5. The outermost circle represents the reference plasmid pCP55‐IncFII.
