<I>Escherichia coli</I> (IMAGE) Indiana University Caption Research on the effect of the enzyme APOBEC3G on DNA replication was conducted in the bacteria Escherichia coli. Credit Department of Defense 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.