Fig. 5From: Transcriptomics and metabolomics analysis of L-phenylalanine overproduction in Escherichia coliChange trends of metabolites involved in central carbon metabolism and L-Phe biosynthesis at different time points. In the graph of metabolite abundance changes, the RIA value at the time point when the cell starts to accumulate the metabolite was defined as “1” to calculate the relative value of metabolites at each later time pointBack to article page