Table 1

Copy number comparison of plasmid with and without the ParABC partitioning system

PlasmidFraction of cells with plasmidPlasmid/oriC in total population of cellsPlasmid/oriC per* plasmid-containing cell
pXX704 (sopABC)0.890.470.52
pXX705 (ΔsopABC)0.290.160.56
pXX762 (soj, spo0J-parS)0.780.380.49
pXX764 (parS)0.500.270.55
  • * The plasmid/oriC ratio was divided by the fraction of cells containing a plasmid.