Figure 4
From: Functional shell matrix proteins tentatively identified by asymmetric snail shell morphology

Volcano plot showing differential expression of SMP-coding genes between right and left sides of mantle tissues. The X axis represents the logarithm of the change in expression levels of the right side vs. the left side. The Y axis represents the logarithm of the significance level for each comparison of the gene. The level of significance to reject the null hypothesis (q = 0.05) is shown as a red line. Numbers denote serial numbers of contigs (genes) in Supplementary Table S4. Only genes that were considered significant or expressed specifically in the mantle (shown in orange dots) are numbered.