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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.1
- 수록면
- 21 - 29 (9page)
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초록· 키워드
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Most Bt transgenic rice events have an underlying grain cost depending on the insect pressure in the field. This studywas conducted (1) to determine if the cry1Ac/bar genetically modified (GM) rice (designated Agb0101) based on a Korean japonicarice cultivar has any underlying grain cost and (2) to develop cry1Ac/bar GM rice lines with yield performance similar to those ofKorean elite cultivars via crossbreeding. A three-year field experiment showed that Agb0101 had a high underlying grain costequivalent to 18% grain yield loss, and this cost was mainly due to the grain number per panicle. Moreover, it was found that thecry1Ac/bar transgene was inherited as a single dominant gene. BC1F4―F5 crossbred progeny derived from an anther culture ofAgb0101―showed phenotypic resemblance to non-transgenic Korean elite cultivars, resulting in a decrease in the grain yield cost ofAgb0101 from 27% to 10%. These results suggest that Bt-GM rice-oriented cross-fertilization with a non-GM elite cultivar followed bytwo- or threefold selection is a feasible method to minimize or remove the underlying grain cost of the Bt transgenic insect-resistant riceline.
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참고문헌 (27)
참고문헌 신청
Chen DH / 1999 / A rapid DNA mini preparation method suitable for AFLP and other PCR applications / Plant Mol. Biol. Rep 17:53~57
Fujimoto H / 1993 / Insect resistant rice generated by introduction of a modified δ-endotoxin gene of Bacillus thuringiensis / Nat. Biotechnol 11:1151~1155
Garris AJ / 2005 / Genetic structure and diversity in Oryza sativa L / Genetics 169:1631~1638
Heong KL / 1994 / An analysis of insecticide use in rice: case studies in the Philippines and Vietnam / Intl. J. Pest Manage 40:173~178
High SM / 2004 / Achieving successful deployment of Bt rice / Trends Plant Sci 9:286~292
Fujimoto H / 1993 / Insect resistant rice generated by introduction of a modified δ-endotoxin gene of Bacillus thuringiensis / Nat. Biotechnol 11:1151~1155
Garris AJ / 2005 / Genetic structure and diversity in Oryza sativa L / Genetics 169:1631~1638
Heong KL / 1994 / An analysis of insecticide use in rice: case studies in the Philippines and Vietnam / Intl. J. Pest Manage 40:173~178
High SM / 2004 / Achieving successful deployment of Bt rice / Trends Plant Sci 9:286~292
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