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Figure 5 | Journal of Biological Engineering

Figure 5

From: Challenges in predicting the evolutionary maintenance of a phage transgene

Figure 5

The dispersin transgene provides no benefit over control phages to the clearing of long term biofilms. Biofilm residue was measured with the crystal violet assay in biofilms that were grown 7 days in silicone tubing, then treated 4–5 days with phage (the leftmost bar is a no-phage control). T7+ and T7dsp (T7dsp+trx 10B) represent single-phage treatments, whereas T7v/T7dsp and T7+/T7dsp are from biofilms treated with equal mixes of control and transgenic phage. No significant heterogeneity is evident across the four phage-treated biofilms. Error bars represent 1 std. error; from left to right, the number of biofilms is 6, 6, 7, 2, and 2.

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