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. 2008 Feb 29;190(9):3399–3403. doi: 10.1128/JB.01674-07

FIG. 2.

FIG. 2.

Comparison of induction of dinD1::luxCDABE in strains with different recA genotypes after treatment with arabinose for the expression of recombinant mutant Y. pestis topoisomerase I. (A) The luciferase response ratio was measured in BW27784 (recA+), YT101 (recA::Tn5), or JHS1 (recA718) as the ratio of luciferase signal from dinD1::luxCDABE in cultures induced with 0.0001% arabinose for the expression of YTOP-G122S versus luciferase signal from the same culture not treated with arabinose. (B) Luciferase response signal measured at 260 min after the addition of different concentrations of arabinose in BW27784 or JHS1 transformed with pAYTOP-G122S or pAYTOP128.