Journal Article Likelihood assessment for gene flow of transgenes from imported genetically modified soybean ( Glycine max (L.) Merr.) to wild soybean ( Glycine soja Seib. et Zucc.) in Japan as a component of environmental risk assessment

Goto, Hidetoshi  ,  McPherson, Marc A.  ,  Comstock, Bradley A.  ,  Stojšin, Duška  ,  Ohsawa, Ryo

67 ( 4 )  , pp.348 - 356 , 2017-10 , Japanese Society of Breeding
Environmental risk assessment is required for genetically modified (GM) crops before their import into Japan. Annual roadside monitoring along transportation routes from ports to processing facilities for GM soybean (Glycine max (L.) Merr.) have been requested as a condition of import only approval because of lack of information on the likelihood of persistence of imported GM soybean for food, feed and processing and the potential for transfer of transgenes into wild soybean (Glycine soja Seib. et Zucc.) through gene flow under the Japanese environment. The survey of soybean seeds, plants and wild soybean populations were conducted along transportation routes from unloading ports to processing facilities that provided data to help quantify actual exposure. The survey indicated that the opportunities for co-existence and subsequent crossing between wild soybean populations and imported soybean are highly unlikely. Together the survey results and the comprehensive literature review demonstrated low exposure of imported GM soybean used for food, feed and processing in Japan. This evaluation of exposure level is not specific to particular GM soybean event but can apply to any GM soybean traits used for food, feed and processing if their weediness or invasiveness are the same as those of the conventional soybean.

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