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A schematic representation of rice drought perception, transduction, and final counter-response (acclimation). Drought stress is initially detected at the plasma membrane; subsequently followed by the influx of receptors, i.e., Ca 2+, ROS, Phytohormones, the initiation of protein kinase cascades, and protein cascade-driven up/downstream regulation generate gene expressions that assist drought tolerance. Here, “↑” indicates enhanced activity, and “↓” shows diminished activity.
