Interaction between functional domains of Bacillus thuringiensis insecticidal crystal proteins.

  title={Interaction between functional domains of Bacillus thuringiensis insecticidal crystal proteins.},
  author={C{\'e}cile Rang and Vincent Vachon and Ruud A de Maagd and Marcelo Villal{\'o}n and J. L. Schwartz and Dustin Bosch and Roger Frutos and Raynald Laprade},
  journal={Applied and environmental microbiology},
  volume={65 7},
Interactions among the three structural domains of Bacillus thuringiensis Cry1 toxins were investigated by functional analysis of chimeric proteins. Hybrid genes were prepared by exchanging the regions coding for either domain I or domain III among Cry1Ab, Cry1Ac, Cry1C, and Cry1E. The activity of the purified trypsin-activated chimeric toxins was evaluated by testing their effects on the viability and plasma membrane permeability of Sf9 cells. Among the parental toxins, only Cry1C was active… CONTINUE READING

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