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Summary Expression of Bacillus thuringiensis delta-endotoxins has proven to be a successful strategy for obtaining insect resistance in transgenic plants. Drawbacks of expression of a single resistance gene are the limited target spectrum and the potential for rapid adaptation of the pest. Hybrid...
Summary A gene encoding a temperature-sensitive diphtheria toxin A chain (DTA) polypeptide was fused to the Arabidopsis thaliana tapetum-specific A9 promoter. Expression of the chimaeric gene in transgenic A. thaliana lines resulted in plants that were male-sterile, but female-fertile, when grown...