Figure 4

Volcano plot and heatmap of DEGs and their functional analysis. (a) Volcano plot of DEGs for vine plants and dwarf plants in F2 population. (b) Heatmap of DEGs for vine plants and dwarf plants in F2 population. The expression of DEGs were indicated by log2(FPKM + 0.001). (c) The KEGG pathways enriched for the up-regulated genes in dwarf plants compared with vine plants. (d) The KEGG pathways enriched for the down-regulated genes in dwarf plants compared with vine plants. The size of each circle represents the number of significantly DEGs enriched in the corresponding pathway. The enrichment factor was calculated using the number of enriched genes divided by the total number of background genes in the corresponding pathway. The q value was calculated using the Benjamini–Hochberg correction. A pathway with q < 0.05 is considered significantly overrepresented.