<i>E. coli</i> Bacterium (IMAGE) Instituto Gulbenkian de Ciencia Caption E. coli bacterium visualized by electron microscopy. Credit Electron Microscopy Unit, IGC. Usage Restrictions If you are using this image, you have to give credits to its authors. 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.