Dr. Mary Lou Guerinot, Dartmouth SRP researcher and Dartmouth Professor of Biological Sciences, is profiled in the January 13, 2020 issue of the Proceedings of the National Academy of Sciences. The profile of her career accompanies the publication of Dr. Guerinot’s recent paper, “The iron deficiency response in Arabidopsis thaliana requires the phosphorylated transcription factor URI.” According to the study, researchers have discovered a gene that controls the regulation of iron uptake in plants. This discovery could be important to increasing the iron potency of crops such as rice, wheat and cassava that form the staple diets of more than half the world’s population.