Nanotube-Producing Bacteria (IMAGE) University of California - Riverside Caption Shewanella bacteria (shown in blue) forming nanotubes. Credit Hor-Gil Hur, GIST 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.