minimal cells (IMAGE) Indiana University Caption Electron micrograph of a cluster of minimal cells magnified 15,000 times. The synthetically streamlined bacterium, Mycoplasma mycoides, contains less than 500 genes. Credit The images by Tom Deerinck and Mark Ellisman of the National Center for Imaging and Microscopy Research at the University of California at San Diego. Usage Restrictions Credit source License Original 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.