Review on Non-target Organisms and Bt-plants
نویسندگان
چکیده
منابع مشابه
Risk assessment of toxins derived from Bacillus thuringiensis—synergism, efficacy, and selectivity
BACKGROUND, AIM, AND SCOPE This review deals with publications concerning the mode of action of Bt proteins and their potential synergism with extrinsic factors. The aim was to assess the impact of those factors especially regarding selectivity and efficacy of Bt toxins and to discuss possible gaps in current risk assessment of genetically engineered plants expressing Bt toxins. MAIN FEATURES...
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Assessment of the impact of transgenic crops on non-target organisms (NTO) is a prerequisite to their release into the target environment for commercial use. Transgenic sweetpotato varieties expressing Cry proteins (Bt sweetpotato) are under development to provide effective protection against sweetpotato weevils (Coleoptera) which cause severe economic losses in sub-Saharan Africa. Like any oth...
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Abstract Pesticides are agrochemical used to increase agronomic production and higher economic profit. However, these chemical pesticides could be persistent in soil and water, collective in silt or bio-aggregates in biota relying upon their dissolvability, prompting various kinds of natural contamination. These pesticides have also shown detrimental effects such as phytotoxicity, genotox...
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The biological assessment of impacts of transgenic plants on non-target organisms is, in general, based on a simple comparison, e.g. between transgenic Bt-plants and nontransgenic plants lacking Bt. For the present investigation, we chose a novel biological system to assess the impact of a transgene on non-target organisms. A comparison was made between the original cultivar and two transgenic ...
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A concern with Bt-transgenic insect-resistant plants is their potential to harm non-target organisms. Early studies reported that Cry1Ab-producing Bt maize and purified Cry1Ab harmed larvae of the green lacewing, Chrysoperla carnea. Although these effects could not be confirmed in subsequent studies, some authors still refer to them as evidence that Bt maize harms beneficial species. We provide...
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تاریخ انتشار 2000