DOI: 10.17265/2159-5828/2012.09.019
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Fazle Rabbi, Mahmuda Yasmin, Jamalun Nessa, Yoshimitsu Otomo, Chowdhury R. Ahsan

Abstract: Escherichia coli O157:H7 is responsible for many outbreaks worldwide. Until recently, no comparative study between environmental and clinical strains of E. coli O157:H7 has been reported in Bangladesh. In this present study, two environmental isolates (CD-11 and CD-17) of bovine origin and a reference clinical strain were investigated for the presence of virulence genes by PCR, VTEC-RPLA, Congo red binding, Sereny's kerato-conjunctivitis, enterotoxic, cytotoxic, and mouse lethal activities. Both CD-11 and CD-1…

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