UT Southwestern Research Team (IMAGE) UT Southwestern Medical Center Caption Members of the UT Southwestern research team that identified a new protein that plays a role in heart muscle contraction included (l-r) Dr. Rhonda Bassel-Duby, Dr. Douglas Anderson, Dr. Eric Olson, Benjamin Nelson, Dr. Catherine Makarewich, and John McAnally. Credit UT Southwestern Medical Center Usage Restrictions With source credit 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.