Target immunity of the Tn3-family transposon Tn4430 requires specific interactions between the transposase and the terminal inverted repeats of the transposon.

Nicolas, Emilien;Lambin, Michaël;Hallet, Bernard
(2010) Journal of bacteriology — Vol. 192, n° 16, p. 4233-4238 (2010)

Files

pdfdocument.pdf
  • Open Access
  • Adobe PDF
  • 836.65 KB

Details

Authors
  • Nicolas, EmilienUCLouvain
    Author
  • Lambin, MichaëlUCLouvain
    Author
  • Author
Abstract
Specificity of Tn4430 target immunity signal was examined by fusing the transposase TnpA to the LacI repressor of Escherichia coli. The resulting chimeric proteins failed to impose immunity to DNA targets carrying copies of the lacO operator, though they were proficient in lacO binding in vivo and remained responsive to wild type immunity conferred by the Tn4430 IR end. Intriguingly, the presence of lacO repeats within the target was found to strongly influence target site selection by Tn4430, but in a LacI-independent manner.
Affiliations

Citations

Nicolas, E., Lambin, M., & Hallet, B. (2010). Target immunity of the Tn3-family transposon Tn4430 requires specific interactions between the transposase and the terminal inverted repeats of the transposon. Journal of bacteriology, 192(16), 4233-4238. https://doi.org/10.1128/JB.00477-10 (Original work published 2010)