JoAnne Flynn, Ph.D. (IMAGE) University of Pittsburgh Caption JoAnne Flynn, Ph.D., distinguished professor and chair of microbiology and molecular genetics at the University of Pittsburgh Credit University of Pittsburgh Usage Restrictions Only for use in reporting on this study License Original 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.