Arabidopsis thaliana, (IMAGE) University of Bonn Caption a plant in which the researchers detected the new mechanism. Credit Image: Gabriel Schaaf / Uni Bonn Usage Restrictions This image may be used together with the press release. 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.