Andrea Puhar, Umeå University (IMAGE) Umea University Caption Andrea Puhar, group leader at MIMS and research fellow at the Department of Molecular Biology, Umeå University, and last author of the article. Credit Markus Marcetic. Copyright: Knut och Alice Wallenbergs Stiftelse/Kungl. Vetenskapsakademien Usage Restrictions Image may only be used in conjunction with content related to this press release. Credit must be given to the photographer. 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.