However , there is a second P1 replicon - called the P1 lytic replicon - that is controlled by an inducible promoter .
P1 vectors also contain a P1 plasmid replicon , which ensures only one copy of the vector is present in a cell .
There is a second P1 replicon - called the P1 lytic replicon - that is controlled by an inducible promoter .
P1 vectors also contain a P1 plasmid replicon , which ensures only one copy of the vector is present in a cell .