For more than a decade, genes of Bacillus thuringiensis (‘Bt’) that encode lepidopteran-specific protein toxins (Cry1Ab and Cry1F) have been engineered into maize for protection against lepidopteran pests. An extensive body of research data and environmental risk assessments (ERA) has been assembled on the potential environmental impact of Cry1 expressing maize. The available literature so far suggests only minor environmental effects. The majority of laboratory studies and all the field studies reviewed did not reveal any unexpected adverse or long-term effectson the environment. Negative effects observed in the laboratory do not necessarily translate to field conditions. There are more than 10 years experience of cultivating GM maize worldwide and few long-term effects have been reported. For future research studies, modelling and monitoring are appropriate tools to investigate long-term environmental effects during GMO cultivation.
CITATION STYLE
Bartsch, D., Devos, Y., Hails, R., Kiss, J., Krogh, P. H., Mestdagh, S., … Gathmann, A. (2010). Environmental impact of genetically modified maize expressing cry1 proteins. In Biotechnology in Agriculture and Forestry (Vol. 64, pp. 575–614). Springer International Publishing. https://doi.org/10.1007/978-3-642-02391-0_27
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