Shewanella oneidensis (IMAGE) Ohio State University Caption This image shows Shewanella oneidensis strain MR-1 growing on the surface of the iron oxide mineral hematite. Credit Courtesy: Pacific Northwest National Laboratory. Usage Restrictions News media use only. 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.