Plants Adapt the Iron Acquisition in their Roots to their Current Requirements (image) University of Münster Share Print E-Mail Caption Plants adapt the iron acquisition in their roots to their current requirements. Iron deficiency triggers calcium signals. This information is passed on, activating the effector protein FIT. Credit HHU / Tzvetina Brumbarova 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.