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. 2014 Feb 11;5:52. doi: 10.3389/fmicb.2014.00052

Figure 1.

Figure 1

Carbadox induction of Enterobacteriaeae prophages. Bacterial strains lysogenized with P22 (UB-1790), λ (UB-1703), HK97 (UB-1704), and Sf6 (UB-1496) were grown in LB broth at 37°C with shaking. At a density of 1 × 108 bacterial cells/ml, carbadox was added to a final concentration of 0.5 μg/ml. Phage lysates were obtained by shaking with chloroform at the indicated times after carbadox addition and titered on a permissive host. Open symbols indicate cultures with no added carbadox and closed symbols indicate cultures with carbadox added. The different induced lysogens are indicated in the figure insert.