Fig 1.

PFGE and corresponding blaKPC Southern blot. (A) Lane 1, E. cloacae 1623; lane 2, S. marcescens 1609; lane 3, S. marcescens 1638; lane 4, S. marcescens 1637. (B) Southern blot of corresponding gel in panel A hybridized with a blaKPC DNA probe. Putative DNA bands that hybridize with the blaKPC DNA probe in lanes 1 and 3 are indicated by an arrow.