A review on comparative data concerning <Emphasis Type="Italic">Fusarium</Emphasis> mycotoxins in Bt maize and non-Bt isogenic maize |
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Authors: | Vladimir Ostry Jaroslava Ovesna Jarmila Skarkova Vladimira Pouchova Jiri Ruprich |
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Institution: | (1) Department for Food Safety and Nutrition, National Institute of Public Health in Prague, Palackeho 3a, 61242 Brno, Czech Republic;(2) Czech Scientific Committee on Genetically Modified Food and Feed, Crop Research Institute, Drnovska 507, 161 06 Prague 6, Czech Republic |
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Abstract: | The European corn borer reportedly promotes the infection of maize by Fusarium spp. Stalk and ear rots caused by Fusarium spp. are often related to mycotoxin accumulation in maize kernels. As a result, food and animal feed from maize are more
severely contaminated with Fusarium mycotoxins: e.g. fumonisins (FUM), deoxynivalenol (DON) and zearalenone (ZEA). Bt maize is primarily an important potential
tool for insect pest protection, both in the European Union and in other countries. Bt maize carrying the Bt genes is highly
resistant to European corn borer larval feeding due to Bt toxin (δ toxin) production. Effective measures to combat pests therefore
often have a positive side-effect in that they also reduce mycotoxin levels. Comparative analysis was used to the evaluation
of the studies dealing with the reduction of Fusarium mycotoxins in Bt maize. Nineteen out of 23 studies on Bt maize came to the conclusion that Bt maize is less contaminated
with mycotoxins (FUM, DON, ZEA) than the conventional control variety in each case. |
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