Figure 4

Differentially expressed genes and metabolites in the flavonoid biosynthesis pathway. (a) Representative genes and metabolites detected downstream of flavonoid biosynthesis. The red dots represent metabolites detected via metabolomics. PAL phenylalanine ammonia-lyase, C4H cinnamate 4-hydroxylase, 4CL 4-coumaroyl-CoA:ligase, CHS chalcone synthase, CHI chalcone isomerase. (b) Heat map analysis of the expression of 5 genes in the flavonoid biosynthesis pathway. The data are homogenized by row. (c) Heat map analysis of 7 metabolites in the flavonoid biosynthesis pathway. The data are homogenized by row. (d) Metabolites detected in the flavonoid biosynthesis pathway.