Dr. Xinxia Peng, University of Washington (IMAGE) University of Washington Caption Dr. Xinxia Peng is a computational research scientist in the Department of Microbiology, University of Washington, Seattle. Credit Katze lab Usage Restrictions For use by news media only. 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.