Roman Sloutsky, UMass Amherst (IMAGE) University of Massachusetts Amherst Caption One angle scientists have taken to explore how proteins functions arise is to trace protein family evolution and relatedness, says Roman Sloutsky of UMass Amherst, but reconstructing past genetic divergence is very difficult. He and his former advisor propose a new, more accurate approach. Credit UMass Amherst 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.