Additional file 1: Figure S1. Chromatin states of MORC7. Figure S2. Small RNA data over MORC7 peaks. Figure S3. Examples showing MORC7 enrichment over the promoter regions of the TOPLESS genes. Figure S4. MORC7 associates with some TFs. Figure S5. Metaplot and heatmap showing chromatin accessibility changes. Figure S6. Volcano plot showing TF changes for ZF off-target sites. Figure S7. Expression levels of genes in the primary shoot apical meristem specification pathway, with and without heat treatment, in Col-0 and morchex mutants. Figure S8. Motif enrichment of TPL and LUG peaks identified in Col-0 or morchex mutant. Figure S9. Metaplot and heatmap showing ChIP-seq signals over peaks detected in morchex mutant