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Figure 4 | BMC Microbiology

Figure 4

From: FK506 biosynthesis is regulated by two positive regulatory elements in Streptomyces tsukubaensis

Figure 4

Promoter activity represented as expression of the reporter gene rppA in S. tsukubaensis wild type and mutant strains (light gray – WT, dark gray – Δ fkbR , white – Δ fkbN ). The ΔA values represent the difference in absorbance at 270 nm, between the sample with an active promoter and the sample derived from the same mutant strain which was transformed by a promoterless plasmid (blank).

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