<I>E. coli</I> (IMAGE) Max-Planck-Gesellschaft Caption Just a few genetic mutations is all it takes to turn the common enteric bacterium, Escherichia coli, into the dangerous enterohemorrhagic E. coli (EHEC) strain. Credit MPI for Developmental Biology: Juergen Berger Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.