Figure 4: The inferred regulatory network of the zein family genes.
From: RNA sequencing reveals the complex regulatory network in the maize kernel
(a) Significant P-values from linear mixed models based on the predicted gene expressions of zein family genes. The x axis indicates the SNP location along the ten chromosomes; the y axis is the −log10 (P-value, partial F-test) of the association. The TF, which was located in an eQTL and included its lead SNP, is shown along the top of the eQTL region. The P-values for α-zein, β-zein, γ-zein and δ-zein are indicated by different coloured dots. The boundary of BH threshold (P=2.12 × 10−6) is indicated by a dash line. (b) Directed subnetworks of several zein family genes. eQTLs with candidate regulators are connected to their target genes based on significant associations. The directions of the arrows point from eQTLs to their target genes. The eQTL region is represented by two significantly associated flanking SNPs. The star symbol marks the gene, which contains the lead SNP of its located eQTL. The gene names in italics represent the genes cloned from opaque mutants.
