Zhaomin Yang and Keane Dye (IMAGE) Virginia Tech Caption Zhaomin Yang (left), an associate professor, and Keane Dye (right), a third year Ph.D. student, both in the Department of Biological Sciences in the College of Science, study regulation of motility and biofilm formation in bacteria. Credit Virginia Tech 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.