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. 2012 Oct 22;7(10):e47259. doi: 10.1371/journal.pone.0047259

Figure 1. Schematic representation of the replacement of the origin of replication of pBR322 derived vectors.

Figure 1

The relative position of RNAI, Rom, and the ori are depicted. When RNAI is retained in the nascent vector, vector incompatibility results upon co-transformation with pBR322-derived vectors. Removal of both RNAI and Rom yields a truly compatible vector.