Computational biology colleagues (IMAGE) University of Maryland Baltimore County Caption Left to right: UMBC's Ivan Erill and colleagues Pilar Cortés, Jordi Barbé, and Miquel Sánchez-Osuna from the Universitat Autònoma de Barcelona. Erill, Barbé, and Sánchez-Osuna are authors on a new study in Antibiotics that devised a new computational method for tracking the origin and dissemination of antimicrobial resistance genes on bacterial plasmids over time. Credit Courtesy of Ivan Erill Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.