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Transgenic DNA introgressed into traditional maize landraces in Oaxaca, Mexico

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  • David Quist

    (Policy and Management, University of California)

  • Ignacio H. Chapela

    (Policy and Management, University of California)

Abstract

Concerns have been raised about the potential effects of transgenic introductions on the genetic diversity of crop landraces and wild relatives in areas of crop origin and diversification, as this diversity is considered essential for global food security. Direct effects on non-target species1,2, and the possibility of unintentionally transferring traits of ecological relevance onto landraces and wild relatives have also been sources of concern3,4. The degree of genetic connectivity between industrial crops and their progenitors in landraces and wild relatives is a principal determinant of the evolutionary history of crops and agroecosystems throughout the world5,6. Recent introductions of transgenic DNA constructs into agricultural fields provide unique markers to measure such connectivity. For these reasons, the detection of transgenic DNA in crop landraces is of critical importance. Here we report the presence of introgressed transgenic DNA constructs in native maize landraces grown in remote mountains in Oaxaca, Mexico, part of the Mesoamerican centre of origin and diversification of this crop7,8,9.

Suggested Citation

  • David Quist & Ignacio H. Chapela, 2001. "Transgenic DNA introgressed into traditional maize landraces in Oaxaca, Mexico," Nature, Nature, vol. 414(6863), pages 541-543, November.
    • Handle: RePEc:nat:nature:v:414:y:2001:i:6863:d:10.1038_35107068
    DOI: 10.1038/35107068
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    Cited by:

    1. González, Humberto & Macías, Alejandro, 2017. "Agrifood Vulnerability and Neoliberal Economic Policies in Mexico," Review of Agrarian Studies, Foundation for Agrarian Studies, vol. 7(1), July.
    2. Glaum, Paul & Vandermeer, John, 2015. "Potential for and consequences of naturalized Bt products: Qualitative dynamics from indirect intransitivities," Ecological Modelling, Elsevier, vol. 299(C), pages 121-129.
    3. PK Gupta, 2018. "An Assessment of Relative Risks to Human/Ecological Health Biotech Crops versus Other Human Activities," Current Investigations in Agriculture and Current Research, Lupine Publishers, LLC, vol. 1(2), pages 51-62, February.
    4. Buttel, Frederick H. & Merrill, Jeanne & Chen, Lucy & Goldberger, Jessica & Hurley, Terrance M., 2005. "Bt Corn Farmer Compliance with Insect Resistance Management Requirements: Results from the 2002 Minnesota and Wisconsin Farm Polls," Staff Papers 13659, University of Minnesota, Department of Applied Economics.
    5. Flor Rivera López & Fern Wickson & Vera Helen Hausner, 2020. "Bridging different perspectives for biocultural conservation: art-based participatory research on native maize conservation in two indigenous farming communities in Oaxaca, Mexico," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 22(8), pages 7427-7451, December.
    6. Resnick, Danielle & Babu, Suresh & Haggblade, Steven & Hendriks, Sheryl L. & Mather, David, 2015. "Conceptualizing Drivers Of Policy Change In Agriculture, Nutrition, And Food Security: The Kaleidoscope Model," Feed the Future Innovation Lab for Food Security Policy Research Papers 258732, Michigan State University, Department of Agricultural, Food, and Resource Economics, Feed the Future Innovation Lab for Food Security (FSP).
    7. Daniela Soleri & Flavio Aragón Cuevas & Humberto Castro García & David A. Cleveland & Steven E. Smith, 2022. "The Household Context of In Situ Conservation in a Center of Crop Diversity: Self-Reported Practices and Perceptions of Maize and Phaseolus Bean Farmers in Oaxaca, Mexico," Sustainability, MDPI, vol. 14(12), pages 1-32, June.
    8. Joachim Zietz & R. Alan Seals, 2006. "Genetically Modified Maize, Biodiversity, and Subsistence Farming in Mexico," Working Papers 200604, Middle Tennessee State University, Department of Economics and Finance.
    9. Susana Carro-Ripalda & Marta Astier, 2014. "Silenced voices, vital arguments: smallholder farmers in the Mexican GM maize controversy," Agriculture and Human Values, Springer;The Agriculture, Food, & Human Values Society (AFHVS), vol. 31(4), pages 655-663, December.
    10. Beth Bee, 2014. "“Si no comemos tortilla, no vivimos:” women, climate change, and food security in central Mexico," Agriculture and Human Values, Springer;The Agriculture, Food, & Human Values Society (AFHVS), vol. 31(4), pages 607-620, December.
    11. Iulie Aslaksen & Bent Natvig & Inger Nordal, 2004. "Environmental risk and the precautionary principle. "Late lessons from early warnings" applied to genetically modified plants," Discussion Papers 398, Statistics Norway, Research Department.
    12. Krishna, Vijesh V. & Zilberman, David & Qaim, Matin, 2009. "GM Technology Adoption, Production Risk and On-farm Varietal Diversity," 2009 Annual Meeting, July 26-28, 2009, Milwaukee, Wisconsin 49173, Agricultural and Applied Economics Association.
    13. Belcher, Ken & Nolan, James & Phillips, Peter W.B., 2005. "Genetically modified crops and agricultural landscapes: spatial patterns of contamination," Ecological Economics, Elsevier, vol. 53(3), pages 387-401, May.
    14. Sarah Wheeler, 2009. "Exploring the influences on Australian agricultural professionals’ genetic engineering beliefs: an empirical analysis," The Journal of Technology Transfer, Springer, vol. 34(4), pages 422-439, August.
    15. Alan Seals & Joachim Zietz, 2009. "The Decline in Maize Prices, Biodiversity, and Subsistence Farming in Mexico," The American Economist, Sage Publications, vol. 54(2), pages 10-20, October.
    16. Flores, Regina & Ney, Luke & Gallagher, Kevin P. & Wise, Timothy A. & Ackerman, Frank, 2003. "Free Trade, Corn, and the Environment: Environmental Impacts of US - Mexico Corn Trade Under NAFTA," Working Papers 15604, Tufts University, Global Development and Environment Institute.
    17. Aerni, Philipp & Bernauer, Thomas, 2006. "Stakeholder attitudes toward GMOs in the Philippines, Mexico, and South Africa: The issue of public trust," World Development, Elsevier, vol. 34(3), pages 557-575, March.
    18. Víctor M. Toledo & Narciso Barrera-Bassols, 2017. "Political Agroecology in Mexico: A Path toward Sustainability," Sustainability, MDPI, vol. 9(2), pages 1-13, February.
    19. Aslaksen, Iulie & Ingeborg Myhr, Anne, 2007. ""The worth of a wildflower": Precautionary perspectives on the environmental risk of GMOs," Ecological Economics, Elsevier, vol. 60(3), pages 489-497, January.
    20. Abby Kinchy, 2010. "Anti-genetic engineering activism and scientized politics in the case of “contaminated” Mexican maize," Agriculture and Human Values, Springer;The Agriculture, Food, & Human Values Society (AFHVS), vol. 27(4), pages 505-517, December.
    21. Robert Falkner & Aarti Gupta, 2009. "The limits of regulatory convergence: globalization and GMO politics in the south," International Environmental Agreements: Politics, Law and Economics, Springer, vol. 9(2), pages 113-133, May.

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