Bacillus thuringiensis delta-endotoxin Cry1Ac domain III enhances activity against Heliothis virescens in some, but not all Cry1-Cry1Ac hybrids |
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| Authors: | Karlova Rumyana Weemen-Hendriks Mieke Naimov Samir Ceron Jairo Dukiandjiev Stefan de Maagd Ruud A |
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| Affiliation: | Department of Plant Physiology and Molecular Biology, University of Plovdiv, 4000 Plovdiv, Bulgaria. |
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| Abstract: | We investigated the role of domain III of Bacillus thuringiensis delta-endotoxin Cry1Ac in determining toxicity against Heliothis virescens. Hybrid toxins, containing domain III of Cry1Ac with domains I and II of Cry1Ba, Cry1Ca, Cry1Da, Cry1Ea, and Cry1Fb, respectively, were created. In this way Cry1Ca, Cry1Fb, and to a lesser extent Cry1Ba were made considerably more toxic. |
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| Keywords: | Bacillus thuringiensis δ-Endotoxin Cry1Ac Hybrid protein Heliothis virescens |
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