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Characterization of σ⁵⁴ promoter activity

We performed the function check of σ⁵⁴ promoter in the genome of E. coli.

By measuring the amount of mRNA of glnG, the promoter activities in the different glutamine concentration were measured (Fig.1). Figure 1 shows that the activities in 0.2 and 2.0 % glutamine are a third of that in 0.0 % glutamine.

Fig.1: σ⁵⁴ promoter activity.

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