<i>EDM2</i>, <i>EDM3</i> and <i>IBM2</i> suppress expression levels of genes involved in the generation of ROS as well as activity levels of peroxidases.

A. The transcript levels of selected peroxidase genes in mutants of EDM2, EDM3 and IBM2 in the aerial parts measured by qRT-PCR. Log2-Fold Change (FD) relative to transcript levels in wild type was used to create this heatmap. The brightest red of the above scale represents the highest increase relative to wild type plants. Numbers above the scale bar represent log2 fold change values of transcript level increases relative to Col-0. B. Transcript levels of NADPH oxidase genes in mutants of EDM2, EDM3 and IBM2 in the aerial parts measured by qRT-PCR. C & D. Relative peroxidase activity in mutants of EDM2, EDM3 and IBM2. Peroxidase activity was measured in the aerial parts of two-week-old plants, divided by fresh weight and shown relative to the wild type plants. Data information: Error bars represent standard errors from three independent experiments. Asterisks indicate significant differences analyzed by student’s t-test. (*, p < 0.05; **, p < 0.01; ****, p < 0.0001; ns, no significance).