Regulatory mechanisms in expression of the traY-I operon of sex factor plasmid R100: involvement of traJ and traY gene products.

@article{Taki1998RegulatoryMI,
  title={Regulatory mechanisms in expression of the traY-I operon of sex factor plasmid R100: involvement of traJ and traY gene products.},
  author={Katsuhiko Taki and Tatsuhiko Abo and Eiichi Ohtsubo},
  journal={Genes to cells : devoted to molecular & cellular mechanisms},
  year={1998},
  volume={3 6},
  pages={
          331-45
        }
}
BACKGROUND The plasmid R100 encodes tra genes essential for conjugal DNA transfer in Escherichia coli. Genetic evidence suggests that the traJ gene encodes a positive regulator for the traY-I operon, which includes almost all the tra genes located downstream of traJ. The molecular mechanism of regulation by TraJ, however, is not yet understood. traY is the most proximal gene in the traY-I operon. TraY promotes DNA transfer by binding to a site, sbyA, near the origin of transfer. TraY is… CONTINUE READING

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