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October 2000: Genetically Modified Genes Found in Native Mexican Maize

Dr. Ignacio Chapela, a microbial ecologist, and his assistant, David Quist, a graduate student at UC Berkeley, discover the presence of genetically modified (GM) genes in native Mexican maize growing in the remote hills of Oaxaca, Mexico. The contaminant genes contain DNA sequences from the cauliflower mosaic virus, which is often used as a promoter to “switch on” insecticidal or herbicidal properties in GM plants. Contamination is also found in samples from a government food store that purchases animal feed from the US. The Oaxaca region is considered to be the birthplace of maize and the world’s center of diversity for corn, “exactly the kind of repository of genetic variation that environmentalists and many scientists had hoped to protect from contamination,” the New York Times reports. Scientists worry that the genes could spread through the region’s corn population reducing its genetic diversity. Critics of genetically modified crops have long argued that the technology cannot be contained. According to Dr. Norman C. Ellstrand, evolutionary biologist at University of California at Riverside, the discovery “shows in today’s modern world how rapidly genetic material can move from one place to another.” The findings are not good news for the biotech industry which is currently lobbying Brazil, the European Union, and Mexico to lift their embargoes on genetically modified crops. [New York Times, 10/2/2001; Manchester Guardian Weekly, 12/12/2001; BBC, 3/13/2002] It is later learned that the contamination resulted from Oaxacan peasants planting kernels they purchased from a local feed store. Though there’s a moratorium on the growing of GM crops, there’s no such ban on animal feed containing GM seed. [Cox News, 10/2/2001]

Entity Tags: Bivings Group, Monsanto, David Quist, Ignacio Chapela, Ministry of the Environment and Natural Resources

Timeline Tags: Seeds

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