Result of S1-PFGE and Southern blot hybridization.

<p>(A) The left dark background figure shows the results of S1-PFGE, while the right light background shows the Southern blot hybridization. M: Low Range PFG Marker. Lane 1∼6: <i>A. calcoaceticus</i> G113, <i>K. pneumoniae</i> M186, <i>K. pneumoniae</i> M187, <i>K. pneumoniae</i> M194, <i>K. pneumoniae</i> U091 and <i>Citrobacter freundii</i> X122, respectively. (B) The left dark background figure shows the results of S1-PFGE, while the right light background shows the Southern blot hybridization. M: Low Range PFG Marker. Lane 1∼3: <i>Enterobacter cloacae</i> Q297, <i>Enterobacter aerogenes</i> Q442 and <i>A. calcoaceticus</i> X231, respectively.</p>