(A) Heatmap showing trends in chromatin accessibility among GLRs during regeneration at three time points representing hours post cut. Color represents the relative accessibility (per ATAC-seq analysis in Figure 1B) as a row Z score, which is standard deviations from the row mean. Arrow points to a trend of opening chromatin at 14 h among a subset of GLRs.
(B) Heatmap depicting GLR transcriptional analysis from RNA-seq profiles in a time course of uncut and regenerating root stumps at four time points after cutting (row Z score followed by log2 normalization). Boxes highlight several GLRs that increase in expression during the first 24 h of regeneration and whose chromatin becomes more accessible.