First Authors (IMAGE) University of Münster Caption Lydia Steffens and Eugenio Pettinato (University of Münster, left) and Thomas M. Steiner (TUM, right) in the laboratory; the three doctoral students share first authorship of the Nature publication. In the middle, a fermenter system for growing bacteria can be seen. Credit AG Berg/AG Eisenreich Usage Restrictions The use of the photo is permitted exclusively in connection with this press release and under indication of the source. 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.