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Transmission of plasmid pAH0376 to E. coli HB101 and outbreak strains of S. flexneri 2b. Lanes: M, molecular size marker strain V517; 8, strain 8; HB101-T, transconjugant of HB101 with pAH0376 transmitted from strain 8; 5 and 7, strains 5 and 7; 5-T and 7-T, transconjugants of strains 5 and 7 with pAH0376 transmitted from HB101-T. The positions of plasmid pAH0376 and chromosomal DNA (Chr) are indicated on the right.
