Cell
ArticleMini-P1 plasmid replication: The autoregulation-sequestration paradox
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Novel broad-host-range vehicles for cloning and shuffling of gene cassettes
2012, Journal of Microbiological MethodsCitation Excerpt :Some of the plasmids have evolved highly complicated so called “global” regulatory networks to simultaneously control the expression of several modules or even coordinate the expression of the whole genome (Delver and Belogurov, 1997; Fernandez-Lopez et al., 2006; Macartney et al., 1997; Pansegrau et al., 1994; Zatyka et al., 1994). Others seem to rely on simple autoregulatory mechanisms (partition cassettes, TA-toxin-antidote operons) or autoregulatory mechanisms enhanced by additional regulatory circuits, but still encompassed within the boundaries of the functional module (replication cassettes) (Chattoraj et al., 1988; del Solar et al., 1998; Dunham et al., 2009; Friedman and Austin, 1988; Hirano et al., 1998; Kulinska et al., 2011; Magnuson et al., 1996; Mukhopadhyay and Chattoraj, 2000; Ruiz-Echevarría et al., 1991). Growing knowledge of the interplay between the modules and understanding of their gene expression control makes more realistic the perspective of linking functional modules of different origin into a new entity, so called “synthetic plasmid”.
Centromere pairing by a plasmid-encoded type I ParB protein
2007, Journal of Biological ChemistryCitation Excerpt :To pursue this further, we employed a DNA ligation frequency assay. If ParB pairs parC-DNA, then the proximity of the DNA ends in the presence of ParB will increase the frequency by which T4 DNA ligase ligates parC-encoding fragments into dimers (due to the end-labeling method used, only dimers can form in this assay) (12, 27). In the assay we used two fragments of different length that were labeled at their ends with Cy5 (long fragment) or Cy3 (short fragment), respectively (Fig. 3).
Reconstitution of F Factor DNA Replication in Vitro with Purified Proteins
2004, Journal of Biological ChemistryBiochemical Investigations of Control of Replication Initiation of Plasmid R6K
2004, Journal of Biological Chemistry