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Bacillus thuringiensis δ-endotoxin: Evidence that toxin acts at the surface of susceptible cells

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Summary

Enzymically activated δ-endotoxin ofBacillus thuringiensis covalently bound to Sephadex beads, has the same effect on insect cells in tissue culture as free toxin. The effect is prevented by antitoxin antibody and heat denaturation and is not due to a nonspecific protein effect, the beads, or toxin released from the beads. The toxin, therefore, probably acts at the cell surface.

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Authors and Affiliations

  1. Department of Fisheries and the Environment, Forest Pest Management Institute, P6A 5M7, Sault Ste. Marie, (Ontario), (Canada)

    P. G. Fast, D. W. Murphy & S. S. Sohi

Authors
  1. P. G. Fast
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  2. D. W. Murphy
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  3. S. S. Sohi
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Fast, P.G., Murphy, D.W. & Sohi, S.S. Bacillus thuringiensis δ-endotoxin: Evidence that toxin acts at the surface of susceptible cells. Experientia 34, 762–763 (1978). https://doi.org/10.1007/BF01947310

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