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Natural variation in crop composition and the impact of transgenesis

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Figure 1: Summary of amino acid levels in conventional and GM corn from a total of eight growing seasons.
Figure 2: Hierarchical cluster analysis and principal component analysis of compositional data generated on the harvested seed of insect-protected MON 87701 and glyphosate-tolerant MON 89788 soybean grown in the northern and southern regions of Brazil during the 2007–2008 season.


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Correspondence to George G Harrigan.

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Competing interests

The authors are employees of Monsanto. Monsanto develops and sells GM crops, including those discussed in the manuscript.

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Supplementary Tables 1–21, Supplementary Figs. 1–24, Supplementary Methods, Supplementary Notes and Supplementary References (PDF 712 kb)

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Harrigan, G., Lundry, D., Drury, S. et al. Natural variation in crop composition and the impact of transgenesis. Nat Biotechnol 28, 402–404 (2010).

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