Review

Nature Reviews Genetics 4, 806-817 (October 2003) | doi:10.1038/nrg1179

Subject Category: Genetic modification

Focus on: Genetic Modification

Genetic modification: Transgene introgression from genetically modified crops to their wild relatives

C. Neal Stewart, Jr1, Matthew D. Halfhill1 & Suzanne I. Warwick2  About the authors

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Transgenes engineered into annual crops could be unintentionally introduced into the genomes of their free-living wild relatives. The fear is that these transgenes might persist in the environment and have negative ecological consequences. Are some crops or transgenic traits of more concern than others? Are there natural genetic barriers to minimize gene escape? Can the genetic transformation process be exploited to produce new barriers to gene flow? Questions abound, but luckily so do answers.

Author affiliations

  1. Department of Plant Sciences, University of Tennessee, Knoxville, Tennessee 37996, USA.
  2. Agriculture and Agri-Food Canada, Eastern Cereal and Oilseeds Research Centre, K.W. Neatby Bldg., C.E.F., Ottawa, Ontario K1A OC6, Canada.

Correspondence to: C. Neal Stewart, Jr1 Email: nealstewart@utk.edu

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