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Multiplex PCR products for representative strains from aEPEC, tEPEC, STEC and ETEC. Lanes: M, DNA markers; 1, an aEPEC-strain only detected eaeA; 2, a ETEC-strain only detected lt; 3, a STEC-strain only detected stx1; 4, an aEPEC-strain only detected bfpA; 5, a ETEC-strain only detected st; 6, an tEPEC-strain detected eaeA and bfpA; 7, a STEC-strain detected eaeA and stx1; 8, a ETEC-strain detected lt and st.
