Mohammed Aizouq (IMAGE) University of Bonn Caption takes some cells from a Petri dish containing the cyanobacterium Synechocystis for further analysis. The blue-green alga has an enzyme with which it can synthesize oil. Credit (c) Photo: Yannic Müller/Uni Bonn Usage Restrictions This image may be used together with the press release. 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.