Fig. 4.

Effect of 50 μmol L⁻¹-MJ on growth and expression of terpenoid biosynthetic genes in CMCs and DDCs. a Relative expression analysis of TwDXS in CMCs. b Relative expression analysis of TwHMGS in CMCs. c Relative expression analysis of TwDXS in DDCs. d Relative expression analysis of TwHMGS in DDCs. e Relative expression analysis of TwDXR, TwHMGR, TwIDI, TwGGPPS and TwFPS genes in the terpenoid biosynthetic pathway in CMCs. f Relative expression analysis of TwDXR, TwHMGR, TwIDI, TwGGPPS and TwFPS genes in the terpenoid biosynthetic pathway in DDCs. The expression level of 0 h as an internal control for a–f. g Growth of CMCs and DDCs follwing induction. Values represent mean ± SD, n = 4, *P < 0.05, **P < 0.01 and ***P < 0.001. CK control check, MJ methyl jasmonate