Control strains of <i>E</i>. <i>coli</i> using virulent specific primers.

<p>Lane M: Generuler 1 kb plus (Fermentas); lane C: Multiplex of e<i>ae</i> (EPEC), <i>ipaH</i> (EIEC), <i>stx</i> (EHEC), <i>aggR</i> (EAEC); lane 1: <i>eae</i> (881 bp); lane 2: <i>ipaH</i> (619 bp); lane 3: <i>stx</i> (518 bp); lane 4: <i>aggR</i> (254 bp) and lane N: negative control.</p