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The effect of IBA and PAA on PIN1 and PIN2 internalization. (A,E) PIN1 and PIN2 internalization after BFA (50 μM) treatment. (B–D) IBA and PAA did not inhibit PIN1 internalization; (F–H) IBA and PAA did not inhibit PIN2 internalization. Scale bars represent 5 μm. Data are means of 8–9 seedlings; error bars represent SD. Means with different letters are significant (p < 0.05).
