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Nature. 2002 Apr 11;416(6881):601-2; discussion 600, 602. Epub 2002 Apr 4.

Biodiversity (Communications arising): maize transgene results in Mexico are artefacts.

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  • 1Department of Plant and Microbial Biology, University of California, Berkeley, California 94720, USA. nkaplins@nature.berkeley.edu


Quist and Chapela's conclusion that the transgenes they claim to have detected in native maize in Oaxaca, Mexico, are predominantly reassorted and inserted into a "diversity of genomic contexts" seems to be based on an artefact arising from the inverse polymerase chain reaction (i-PCR) they used to amplify sequences flanking 35S transgenes from cauliflower mosaic virus (CaMV).

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  • Conflicts around a study of Mexican crops. [Nature. 2002]
  • Conflicts around a study of Mexican crops. [Nature. 2002]

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