Fig. 6

NRT1.5 promotes the abundance of PIN2 under LK stress. The ProPIN2:PIN2-GFP crossed lines were transferred to LK (0.1 mmol/L K⁺) medium for 3 h, 6 h, 9 h and 12 h. GFP fluorescence in plant roots was observed at the indicated time points, bars = 50 μm