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Predictive Mathematical Model For Polyhydroxybutyrate Synthesis In Escherichia Coli, Angela Dixon
Predictive Mathematical Model For Polyhydroxybutyrate Synthesis In Escherichia Coli, Angela Dixon
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Polyhydroxybutyrate has been studied as a potential biodegradable replacement for petrochemical plastics. Polyhydroxybutyrate synthesis is not native to Escherichia coli, but the genes have successfully been inserted through plasmids. However, polyhydroxybutyrate production needs to be more cost-effective before it can be commercially produced. A mathematical model for polyhydroxybutyrate synthesis was developed to identify genes that could be altered to increase polyhydroxybutyrate production. The major metabolic pathways included in the model were glycolysis, acetyl coenzyme-A synthesis, tricarboxylic acid cycle, glyoxylate bypass, and polyhydroxybutyrate synthesis. Reactions were modeled using kinetic mechanisms identified for each enzyme. The transcriptional network was incorporated into the …