Fig. 2

PFGE and hybridization analysis of bla _NDM-1. Lane 1 and 4 The undigested total DNA of PA 37 and PA 131 respectively; Lane 2 and 3 The PA 37 total DNA is digested with S1 and Xba I respectively; Lane 5 and 6 PA 131 total DNA digested with S1 and Xba I respectively; Lane 7 The undigested plasmid of PA 37; Lane 8 and 9 E. coli transconjugant carrying plasmid of PA 37 digested with S1 and Xba I respectively; Lane 10 Hybridized P^{PA 37} with probe; Lane 11 The undigested plasmid of PA 131; Lane 12 and 13 E. coli transconjugant carrying plasmid of PA 131 digested with S1 and Xba I respectively; Lane 14 Hybridized P^{PA 131} with probe; Lane 15 The total DNA of recipient E. coli without plasmid; Lane 16 and 17 The total DNA of recipient E. coli without plasmid digested with S1 and Xba I respectively