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OhioState Application

The promoter was cloned into a luciferase reporter and then transformed into a strain of E.coli expressing the fraR repressor. The luminescence curve for pFraB works as expected. There is a significant decrease, almost half, in expression in fraR- strains compared to fraR+ strains. This shows it is effective in controlling the expression of proteins. The fraR repressor was expressed via the lacZ promoter, therefore the addition of IPTG results in increased repression.

Figure 1. pFraB Luciferase Reporter

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