Ivan Sosa Marquez, Katy Heath, and Amy Marshall-Colon are featured in an article by the Illinois News Bureau highlighting their recent paper in the Proceedings of the National Academy of Sciences. The article by Diana Yates discusses the researchers’ work to gain a better understanding of the interactions within the root nodules of legumes between the plant and soil microbes called rhizobia. In their PNAS paper, the researchers report on the identification of a cluster of rhizobial genes linked to improved legume growth.