Fig. 2: Genome-wide responses to herbivory in A. thaliana and P. rapae over the time course of their interaction.
From: The molecular genetic basis of herbivory between butterflies and their host plants
a–f, Samples collected from various stages of interaction: eggs laid on the leaves (a,b), eggs laid on the wax paper (c), larva feeding on a leaf (d), mechanical wounding of the leaf (e) and larvae feeding on artificial diet (f). g,h, Heat maps of differentially expressed genes in A. thaliana (g) and P. rapae (h). The colour scale ranges from ≤−1.5 log fold change (blue) to ≥1.5 log fold change (red). Individual treatments correspond to: (1) leaves with eggs 72 h after oviposition; (2) leaves with no eggs, control for 72 h oviposition treatment; (3) leaves after 24 h larval (48 h old) feeding; (4) leaves with eggs after 24 h larval (48 h old) feeding; (5) leaves with no eggs and larvae, control for larval feeding and wounding; (6) leaves 24 h after wounding; (7) eggs 72 h after oviposition on wax paper; (8) eggs 72 h after oviposition on leaves; (9) 48 h old larvae after 24 h feeding on artificial diet; (10) 48 h old larvae after 24 h feeding on leaves with eggs; (11) 48 h old larvae after 24 h feeding on leaves. i, The number of differentially expressed A. thaliana genes across treatments. j, The number of differentially expressed P. rapae genes across treatments. The inset shows the same results plotted with a reduced y-axis scale. Details of treatment and control conditions are in Supplementary Table 4.
