Fig. 4From: Identification and functional characterization of three new terpene synthase genes involved in chemical defense and abiotic stresses in Santalum albumExpression levels of SaTPS1 to 3 genes in different tissues. YL, young leaves; IW, immature wood; SW, sapwood; HW, heartwood. Significant differences were assessed by a student’s t-test: *P < 0.05, **P < 0.01 and ***P < 0.001Back to article page