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Agarose gel electrophoresis of plasmid DNA extracted from some carbapenem-resistant Gram-negative bacterial isolates and their corresponding transformants; lane M, a Gene Ruler 1 kb ladder; lane 1, clinical isolate 37.AK; lane 2, transformant TS37.AK; lane 3, clinical isolate 59.WK; lane 4, transformant TS59.WK; lane 5, clinical isolate 66.WK; lane 6, transformant TS66.WK; lane 7, clinical isolate 24.SK; lane 8, transformant TS24.SK.
