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. 2009 Jan 30;191(7):2237–2247. doi: 10.1128/JB.01598-08

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FIG. 1. — Expression of cwlJ1, cwlJ2, and sleB during B. anthracis sporulation. Strains carrying each promoter-lacZ fusion were shaken in Mod G medium at 39°C and were assayed for β-galactosidase activity. (A) OD (open symbols) and β-galactosidase activity (filled symbols) are shown for a wild-type strain lacking lacZ (♦) and for strains with lacZ fused to cwlJ1 (▪), cwlJ2 (▴), and sleB (•). (B) β-Galactosidase activity for the wild type, cwlJ2-lacZ, and sleB-lacZ are shown on an expanded y axis for clarity. Both panels show representative data for one of three independent experiments.