This is Professor Mellata (left) with Roy Curtiss, director of the Center for Infectious Diseases and Vaccinology at the Biodesign Institute. Disclaimer: AAAS and EurekAlert! are not responsible ...

and at lower concentrations it has minimal effect on bacteria," said microbiologist and senior author on the study Melha Mellata, Ph.D., at Iowa State University. That's important, she said ...