Virus Micrographs (IMAGE) University of Delaware Caption These transmission electron micrographs show viruses of soybean bradyrhizobia, which are beneficial bacteria that provide the soybean plant with the nutrient nitrogen. A new $6 million National Science Foundation grant supports a research team's study of viruses and microbes. The team is led by the University of Delaware's Eric Wommack. Credit UNIVERSITY OF DELAWARE Usage Restrictions Must credit the University of Delaware 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.