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. 2021 Jun 19;40(9):1631–1646. doi: 10.1007/s00299-021-02707-3

Fig. 6.

Fig. 6

Effects of MVK on gene expression, stress response and cardenolide content in Digitalis lanata WT and Dl P5βR-RNAi knockdown shoots. ac The relative RNA expression levels were calculated using the qPCR method by applying the 2−ΔΔCT method with actin as the reference gene. The y axis denotes the normalized relative transcript accumulation of genes indicated at the top. X axis describes the MVK treatment conditions. Means ± SEM are shown (n = 3). Relative gene expression of glutathione S-transferase (GST) (a), P5βR1 (b) and P5βR2 (c), in D. lanata WT and Dl P5βR-RNAi knockdown shoots. d Quantification of digoxigenin and digitoxigenin in D. lanata WT and Dl P5βR-RNAi knockdown shoots treated with 2 µmol/L air volume MVK. Results are shown as mean ± SEM (n = 3)