Regulator of Plant Immunity Tagged (video) King Abdullah University of Science & Technology (KAUST) Share Print E-Mail Loading video... Caption A new actor in the immune system of plants has been identified. KAUST scientists have identified the protein MAP4K4 is needed to mount proper defenses against environmental pathogens. Credit © 2019 KAUST Usage Restrictions None Share Print E-Mail 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.