In the antioxidant enzyme system, SOD, CAT, and POD showed an increasing trend with seed development ( Figures 2A–C ), while ROS levels (H 2 O 2 and O 2 - ) first increased and then decreased ( Figures 2D, E ), indicating that the antioxidant system mitigates dehydration-induced damage during development.
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ABA-GA antagonism and modular gene networks cooperatively drive acquisition of desiccation tolerance in perilla seeds.
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The membrane lipid peroxidation product (MDA) further confirmed this, showing a decreasing trend during the DT acquisition process ( Figure 2F ).