<I>E. coli</I> Bacteria (IMAGE) The Hebrew University of Jerusalem Caption This is a scanning electron micrograph of Escherichia coli bacteria, for illustrative purposes. Credit US National Institutes of Health, public domain image 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.