Ca2+ sensor-mediated ROS homeostasis: defense without yield penalty

Constitutively active immunity against pathogen infection affects the growth and yield of plants. Gao and colleagues recently demonstrated that a Ca2+ sensor, RESISTANCE OF RICE TO DISEASES1 (ROD1), regulates an immune suppression network that consolidates reactive oxygen species (ROS) metabolism and Ca2+-sensing to equilibrate both defense responses and optimal growth in plants.