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. 2002 Jun;76(12):5866–5874. doi: 10.1128/JVI.76.12.5866-5874.2002

TABLE 4.

oriS is required in both amplicon plasmids for efficient IM-HR

Amplicon plasmids No. of blue coloniesa
% IM-HR
Ampr Kanr
pW7 + pW2-lacZ 324 741 43.7
pW7-del + pW2-lacZ 2 700 0.3
pW7 + pW2-lacZ-del 8 112 7.1
pW7-del + pW2-lacZ-del 0 200 0
a

Values are averages for two repeated experiments.