Fig. 2

Expression of sensory-related genes in the PO. Heatmaps were built using Log₁₀ (transcripts per kilobase per million read (TPM) + 1) as input of the gplot R package. Transcript abundance was represented in a color scale where white/purple represents the lowest/highest expression. A dendrogram was plotted using hierarchical clustering of gene expression values based on Euclidean distances and a complete linkage method for clustering. A Gustatory receptors (GRs). B Ionotropic receptors (IRs). C Pickpocket ion receptor channels (PPKs). D Opsins (Ops). E Transient receptor potential channels (TRPs). F Odorant-binding proteins (OBPs). G Chemosensory proteins (CSPs)