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Scientific Opinion on application (Reference EFSA‐GMO‐UK‐2007‐50) for the placing on the market of insect resistant and herbicide tolerant genetically modified maize Bt11×MIR604, for food and feed uses, import and processing under Regulation (EC) No 1829/2003 from Syngenta Seeds
Publication year - 2010
Publication title -
efsa journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.076
H-Index - 97
ISSN - 1831-4732
DOI - 10.2903/j.efsa.2010.1614
Subject(s) - genetically modified organism , microbiology and biotechnology , european corn borer , food contact materials , genetically modified crops , biology , genetically modified food , genetically modified maize , agricultural science , toxicology , food science , food packaging , botany , pest analysis , transgene , biochemistry , gene
This scientific opinion reports on an evaluation of a risk assessment for placing on the market the genetically modified insect resistant and herbicide tolerant maize Bt11×MIR604 for food and feed uses, import and processing. Conventional crossing methods were used in the production of maize Bt11×MIR604 from lines of the respective single maize events. The structure of the inserts in the single maize events as well as the phenotypes were both retained in the stacked maize events. The expression levels of the Cry1Ab, PAT, mCry3A and PMI proteins in maize Bt11×MIR604 were demonstrated to be comparable with those of the respective single maize events. The comparative analysis of compositional, phenotypic and agronomic characteristics indicated equivalence of maize Bt11×MIR604 with its conventional counterpart, except for the newly expressed proteins, which provided resistance to certain lepidopteran and coleopteran target pests and tolerance to glufosinate‐ammonium herbicides. The safety assessment identified no concerns regarding potential toxicity and allergenicity of maize Bt11×MIR604. Considering the intended uses of maize Bt11×MIR604, which excludes cultivation within the European Union, no scientific assessment of potential environmental effects associated with cultivation of maize Bt11×MIR604 was required. In case of accidental release of viable maize Bt11×MIR604 grains into the environment during transportation and processing, there are no indications of increased likelihood of establishment or survival of feral maize plants except in the presence of glufosinate‐ ammonium herbicides. It is highly unlikely that the recombinant DNA will transfer and establish in the genome of bacteria in the environment or human and animal digestive tracts. In conclusion, the EFSA GMO Panel considers that the information available for maize Bt11×MIR604 addresses the scientific comments raised by Member States and that the maize Bt11×MIR604, assessed in this application, is as safe as its conventional counterpart and other appropriate comparators with respect to potential effects on human and animal health and the environment, in the context of its intended uses. The EFSA GMO Panel concludes that maize Bt11×MIR604 is unlikely to have an adverse effect on human and animal health and on the environment, in the context of its intended uses.

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