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Expression analysis of genes involved in flavonoid production in Aristolochia fimbriata. The heatmap was generated based on normalized RNA-seq data. Ten genes were analyzed, six structural genes and four regulatory genes involved in the flavonoid biosynthetic pathway. Two different developmental stages (S6 and S9) and three portions of the perianth (limb, tube, and utricle) were compared. The color codes indicate upregulated (red) and downregulated (green).
