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. Author manuscript; available in PMC: 2020 Mar 1.
Published in final edited form as: Mol Microbiol. 2018 Dec 12;111(3):570–587. doi: 10.1111/mmi.14174

Figure 5. Mechanism of FnrS and ArcZ regulation of hilD mRNA translation in Salmonella.

Figure 5.

β-galactosidase activity in Salmonella strains containing the hilD’-’lacZ translational fusion and either the empty vector or plasmids overexpressing FnrS or ArcZ from Salmonella in a (A) wildtype or (B) rne131 background grown in SPI1 inducing conditions. β-galactosidase activity units are defined as (μmol of ONP formed min−1) × 106/(OD600 × ml of cell suspension) and are reported as mean ± standard deviation where n=3. Strains used: JS892, JS2118 or JS2119, each with plasmid pBRplac, pFnrS-SM, or pArcZ-SM.