Development of β-Lactamase as a Tool for Monitoring Conditional Gene Expression by a Tetracycline-Riboswitch in Methanosarcina acetivorans

<table>Dose-dependence of tc-RS4-mediated repression of bla mRNA translation. M. acetivorans carrying the mcrB p-tc-RS4-blaN construct on the chromosome was cultivated in the presence of varying amounts of tc before specific Bla activity was assessed.</table>

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Figure 4

Figure 4: Development of β-Lactamase as a Tool for Monitoring Conditional Gene Expression by a Tetracycline-Riboswitch in Methanosarcina acetivorans