Fig. 6

Arachis bZIP gene expression during peanut seed development. a Four groups (groups I - IV) including corresponding bZIP genes with specific expression profile were recognized. In each subgroup, the gray lines indicated the expression values of bZIPs at DAF20, DAF40 and DAF60. The red line show the average FPKM of all bZIP genes. b qRT-PCR verification of 12 bZIP genes expressed during seed development. The relative gene expression levels as measured by qRT-PCR (orange histograms) and by RNA-seq (blue lines) are shown. Results are based on three biological replicates; error bars represent SE. c Expression pattern of bZIP A. duranensis and A. ipaensis orthologs during seed development. The similar (denoted as Y) or diverged (denoted as N) expression pattern between orthologs were indicated