E-coli L-form Switching (IMAGE) Newcastle University Caption E.coli L-form switching - so from walled to without a wall Credit Newcastle University, UK Usage Restrictions only in connection with this research story. Please credit "Newcastle University, UK" 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.