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Yield benefit and underlying cost of insect-resistance transgenic rice: Implication in breeding and deploying transgenic crops

文献类型： 外文期刊

作者： Xia, Hui 1 ; Chen, Liangyan 1 ; Wang, Feng 2 ; Lu, Bao-Rong 1 ;

作者机构： 1.Fudan Univ, Minist Educ, Key Lab Biodivers & Ecol Engn, Shanghai 200433, Peoples R China

2.Fujian Acad Agr Sci, Fujian Prov Key Lab Genet Engn Agr, Fuzhou 350003, Peoples R China

3.Nanjing Univ, Sch Environm, State Key Lab Pollut Control & Resource Reuse, Nanjing 210093, Peoples R China

关键词： Oryza sativa;Insect resistance;Transgene;Transgenic breeding;Genetically modified crop

期刊名称：FIELD CROPS RESEARCH （ 影响因子：5.224； 五年影响因子：6.19 ）

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收录情况： SCI

摘要： The rapid development of transgenic biotechnology has greatly promoted the commercialization of genetically modified (GM) crops including the insect-resistant crops worldwide. Apart from the enormous yield benefits brought by the GM crops, the cryptic fitness cost associated with transgenes has also been detected under experimental conditions although it is considered to be rare. To estimate the yield benefit and cost of insect-resistant GM rice, we studied field performances of three insect-resistant GM rice lines, involving their non-GM parental variety as comparison. Great benefits as estimated by the yield-related traits were observed in the GM rice lines when high insect pressure was recorded, but a cryptic yield loss was detected when the level of insect pressure was extremely low. Given the fact that cryptic yield loss presented in the GM rice lines under the low insect pressure, a strategic field deployment should be required when insect-resistant GM rice are commercialized to circumvent the unnecessary yield losses. This is probably true for other insect-resistant GM crops. Effective biotechnology and breeding measures are also needed to particularly minimize the potential underlying cost of an insect-resistance transgene before commercial production of the GM crops.

  • 相关文献

[1]Effects of insect-resistance transgenes on fecundity in rice (Oryza sativa, Poaceae): A test for underlying costs. Chen, LY,Snow, AA,Wang, F,Lu, BR. 2006

[2]Cre/lox-mediated Marker Gene Excision in Elite Indica Rice Plants Transformed with Genes Conferring Resistance to Lepidopteran Insects. Chen, SB,Liu, X,Peng, HY,Gong, WK,Wang, R,Wang, F,Zhu, Z.

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[6]Microbial responses in a cold waterlogged paddy field to different distances from a drainage ditch. Fang, Yu,Wang, Fei,Chen, Jichen,Lin, Cheng,Lin, Xinjian. 2017

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