Salmonella III (image) Goethe University Frankfurt Caption This is one Salmonella bacterium within a human cell, surrounded by a coat of different ubiquitin chains. The coloured dots represent individual linear ubiquitin chains. Visualized by super-resolution microscopy (3D-dSTORM). Credit Mike Heilemann/Ivan Dikic Usage Restrictions None 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.