Improved Production of Tryptophan in Genetically Engineered <i>Escherichia coli</i> with TktA and PpsA Overexpression

<table>L-tryptophan accumulation (black bars) and substrate-specific product yields (Yp/s) in mol L-tryptophan per mole glucose (grey bars) at the end of the production phases of representative fed-batch fermentations. Means are from at least three independent experiments.</table>

BioMed Research International

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Figure 4

Figure 4: Improved Production of Tryptophan in Genetically Engineered <i>Escherichia coli</i> with TktA and PpsA Overexpression 

BioMed Research International

Improved Production of Tryptophan in Genetically Engineered Escherichia coli with TktA and PpsA Overexpression

Figure 4