Mats Töpel, University of Gothenburg (IMAGE) University of Gothenburg Caption Mats Töpel is part of the Department of Plant and Environmental Sciences at the University of Gothenburg. Credit University of Gothenburg Usage Restrictions None 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.