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KMID : 0903519980410020137
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1998 Volume.41 No. 2 p.137 ~ p.140
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Molecular Breeding of Transgenic Tomato Plants Expressing the δ-Endotoxin Gene of Bacillus thuringiensis subsp. tenebrionis
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Rhim Seong-Lyul
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Abstract
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The transgenic tomato plants showing the insecticidal activity against the coleopteran insect larvae have been bred to the 4th generation (R₄). The Bacillus thuringiensis subsp. tenebrionis (B.t.t.)-toxin gene and the expression were detected in the R₄ transgenic plants. The expression of the toxin gene conferred a coleopteran insect larvae tolerance to the transgenic tomato plants. The ploidy levels of the R₄ transgenic plants were diploid. The results indicated that the toxin gene was inherrited to the next generation and expressed. Such a molecular breeding can provide a method for a permanent control of insects a agronomic relevance.
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