Ethylene-Induced Vinblastine Accumulation Is Related to Activated Expression of Downstream TIA Pathway Genes in Catharanthus roseus

Figure 6

Loading plot of PCA. The first principal component (PC1) was the expression of gene D4H and the content of vinblastine, vindoline, and catharanthine and the activity of H₂O₂, which were shown as ●. The second principal component (PC2) was the expression of genes DAT, CrPrx1, T16H, and ERF and the activity of POD, which were shown as ■. The results shown are the means of three replicates; bars represent SE.