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. 2006 Sep;50(9):3200–3202. doi: 10.1128/AAC.00293-06

FIG. 1.

FIG. 1.

Genetic organization of the qnrB2-containing complex sul1-type integron. Comparison with the organization of the plasmid IncFI/97 showed that the 12.9-kb BamHI fragment harbors the same orf513-dfrA19-containing fragment. Analysis by PCR mapping and sequencing of PCR products F, G, and H showed that integron In-t2 of IncFI/97 is located at the 3′ end of the 12.9-kb BamHI fragment. The horizontal bars correspond to PCR products, the gray ovals correspond to attC sites, and the thick arrows show the genes or ORFs and their direction of transcription.