Model evolution system.

<p>(A) In the copropagation regime, cultures including <i>E. coli</i> and Qβ were passaged into fresh medium every day. In the Qβ propagation regime, only Qβ was isolated and used to infect fresh growing Anc(C). The values of PFU/ml or CFU/ml of cultures incubated for about 24 h (copropagation regim... View More