Fig. 6From: Production of phenylacetyl-homoserine lactone analogs by artificial biosynthetic pathway in Escherichia coli Effects of SAM or l-methionine addition on the p-coumaroyl-HSL production. The data were obtained after 25 h fermentation with the addition of 1 mM SAM or 1 mM l-methionine on the SM media of DN1 and DN2 strains, respectively. Error bars reported at one standard deviation from triplicate experiments. ND means not detected on the HPLC profileBack to article page