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초록· 키워드
오류제보하기
Genetically modified (GM) crops have been developed worldwide through the recombinant DNA technology and commercialized by global agricultural companies. Until now, GM crops have not been cultivated commercially in Korea.
Commercialization of GM crops requires a compulsory assessment of environmental risk associated with the release of GM crops.
This study was conducted to evaluate the frequency of pollen mediated gene flow from Bt transgenic rice (Agb0101) to japonica non-GM rice (Nakdongbyeo), indica non-GM rice (IR36), and weedy rice (R55). A total of 729,917, 596,318 and 230,635 seeds were collected from Nakdongbyeo, IR36, and R55, respectively, which were planted around Agb0101. Selection of the hybrids was determined by repeated spraying of herbicide and Cry1Ac1 immunostrip assay. Finally, the hybrids were confirmed by PCR analysis using specific primer. The hybrids were found in all non-GM rice and out-crossing ranged from 0.0005% at IR36 to 0.0027% at Nakdongbyeo. All of hybrids were located within 1.2 m distance from the Agb0101 rice plot. The meteorological elements including rainfall and temperature during rice flowering time were found to be important factors to determine rice out-crossing rate. Consideration should be taken for many factors like the meteorological elements of field and physiological condition of crop to set up the safety management guideline to prevention of GM crops gene flow.
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참고문헌 (17)
참고문헌 신청
Chen LJ / 2004 / Gene flow from cultivated rice (Oryza sativa) to its weedy and wild relatives / Ann. Bot 93 : 67 ~ 73
Conner AJ / 2003 / The release of genetically modified crops into the environment - Part II. Overview of ecological risk assessment / Plant J 33 : 19 ~ 46
Ellstrand NC / 1999 / Gene flow and introgression from domesticated plants into their wild relatives / Annu. Rev. Ecol. Syst 30 : 539 ~ 563
Gealy DR / 2003 / Gene flow between red rice (Oryza sativa) and herbicide-resistant rice (O. sativa): implications for weed management / Weed Technol 17 : 627 ~ 645
James C. / 2015 / Anniversary of the Global Commercialization of Biotech Crops (1996 to 2015) and Biotech Crop Highlights in 2015
Conner AJ / 2003 / The release of genetically modified crops into the environment - Part II. Overview of ecological risk assessment / Plant J 33 : 19 ~ 46
Ellstrand NC / 1999 / Gene flow and introgression from domesticated plants into their wild relatives / Annu. Rev. Ecol. Syst 30 : 539 ~ 563
Gealy DR / 2003 / Gene flow between red rice (Oryza sativa) and herbicide-resistant rice (O. sativa): implications for weed management / Weed Technol 17 : 627 ~ 645
James C. / 2015 / Anniversary of the Global Commercialization of Biotech Crops (1996 to 2015) and Biotech Crop Highlights in 2015
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