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Overexpression of udk antagonizes Gp2 activity in E. coli in the absence of T7 phage infection. (a) Growth curves of E. coli MG1655 containing different plasmid combinations and growth conditions (as indicated). (b) As in (a), but with E. coli cells containing pAS2:CR44b_13 encoding Gp2-like protein CR44b_13 from CR44b phage.
