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. 2018 Jan 4;115(3):619–624. doi: 10.1073/pnas.1715137115

Fig. 4.

Fig. 4.

Effect of evolved BipA OTS on biocontainment strain escape and fitness. (A) Escape frequencies over time for adk.d6 strains transformed with constructs indicated in legend below plots. Green and yellow circles compare escape frequencies of parent and evolved variants and are most relevant for this study. Navy circles represent previously published data (from ref. 3). Gray circles for adk.d6 represent our repeat of previously published data. KA, kanamycin+arabinose; SCA, SDS+chloramphenicol+arabinose. Error bars in A–C represent SEM, n = 3. (B) Escape frequencies over time for tyrS.d8 strains. Lines represent assay detection limit in cases where no colonies were observed. (C) Escape frequencies over time for adk.d6/tyrS.d8 strains. (D) Doubling time for biocontained strains with parental (P) or variant 10 OTS. Error bars = SD, n = 3.