Storming the Castle: New Discovery in the Fight Against Bacteria (image) PLOS Share Print E-Mail Caption This is a colorized scanning electron micrograph of E. coli bacteria. Credit NIAID, Flickr Usage Restrictions CC-BY. Share Print E-Mail 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.