(IMAGE) Center for Genomic Regulation Caption Ancyromonas sigmoides, an understudied microbe that holds enormous promise for investigations into the origin of eukaryotes. Credit Naoji Yubuki Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC 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.