!! History Commons Alert, Exciting News

Follow Us!

We are planning some big changes! Please follow us to stay updated and be part of our community.

Twitter Facebook

Seeds

Mexico

Project: Genetic Engineering and the Privatization of Seeds
Open-Content project managed by Derek, mtuck

add event | references

1998: Mexico Bans GM Crops

Mexico bans the planting of genetically modified crops. [Mother Jones, 7/9/2002]

Entity Tags: Mexico

Category Tags: National policies toward GM food, Mexico

Grupo Maseca, Mexico’s top producer of corn flour, says it will phase out its use of genetically modified corn. Mexico purchased $500 million of US corn in 1998. [Food & Drink Weekly, 9/13/1999; Canadian Business, 10/8/1999]

Entity Tags: Grupo Maseca

Category Tags: Mexico, Corn, National legislation/policy, National policies toward GM food

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

Category Tags: GM Contamination, Mexico, Biodiversity, Corn, Monsanto v. Schmeiser

Mexico’s Ministry of the Environment and Natural Resources announces that it has found genetically modified (GM) corn growing in 15 different localities. It began investigating potential GM contamination after two Berkeley scientists found maize growing in Oaxaca (see October 2000) that was contaminated with genetically engineered DNA sequences from the cauliflower mosaic virus. [New York Times, 10/2/2001] Mexico does not release its study until January 2002 (see January 2002).

Entity Tags: Ministry of the Environment and Natural Resources

Category Tags: GM Contamination, Mexico

When Dr. Ignacio Chapela, a microbial ecologist who recently discovered the presence of genetically modified (GM) genes in Mexican maize (see October 2000), meets with a Mexican agricultural official to discuss the GM contamination, he is warned not to publish his research. Chapela later recalls in an interview with BBC Newsnight, “He [told] me how terrible it was that I was doing the research and how dangerous it would be for me to publish.” When he refuses to back off the issue, the official suggests that Chapela join a research team tasked with proving that the suspected GM genes are actually naturally occuring gene sequences similar to the ones in GM corn. “We were supposed to find this in an elite scientific research team of which I was being invited to be part of and the other people were two people from Monsanto and two people from Dupont supposedly… .” Monsanto denies its scientists were involved in any such study. Chapela also meets with Mexico’s Ministry of the Environment and Natural Resources, whose officials are concerned about the discovery. They launch their own investigation and also find evidence of contamination (see September 18, 2001). [BBC, 6/2/2002]

Entity Tags: Ignacio Chapela, Mexico, Ministry of the Environment and Natural Resources

Category Tags: Coercive tactics, Mexico, Monsanto

Berkeley grad student David Quist and Dr. Ignacio Chapela, a microbial ecologist, publish the results of a study (see October 2000) finding that native Mexican maize has been contaminated with genetically modified genes. The study—published by the British journal Nature after an eight-month long peer-review process—presents two arguments. In addition to reporting the discovery that some of Oaxaca’s maize contains transgenic material, the paper says they found transgene fragments scattered throughout the plants’ modified DNA. [Quist and Chapela, 11/29/2001 pdf file] The study’s second conclusion causes a controversy because it contradicts the assertions of the biotech industry that genetic engineering is a safe and exact science, and that the technology is capable of controlling precisely where the modified sequences are positioned, how they will be expressed, and whether or not they will be passed on to successive generations. One of the main arguments of the technology’s detractors is that the methods used to insert trangenic genes into an organism’s DNA cannot be done with accuracy and therefore are liable to produce unpredictable and undesirable effects. Following the publication of Quist and Chapela’s article, other Berkeley biologists—who work in a Berkeley University program partially funded by Syngenta, a major biotech firm—criticize the study, leading Quist and Chapela to acknowledge that the analyses of two of the eight gene sequences in their paper were flawed. However they stand by their conclusions that the remaining six sequences contained scattered modified gene sequences. Critics of the article also note that both Quist and Chapela strongly oppose the genetic engineering of crops and participated in an unsuccessful effort to block the Berkeley-Syngenta partnership. The issue soon grows into a very large controversy that some suggest is fueled by the efforts of the biotech industry, and in particular, the Bivings Group, a PR firm on Monsanto’s payroll. Forum postings at AgBioWorld.org are reportedly traced to a Bivings’ employee. It is also noted that another person posting on the forum makes “frequent reference to the Center for Food and Agricultural Research, an entity that appears to exist only online and whose domain is [allegedly] registered to a Bivings employee.” Bivings denies that it is in any way connected to the forum postings. In spite of the controversy surrounding the article’s second finding, the other conclusion, that Mexico’s maize has been contaminated, is largely uncontested, and is buttressed by at least three other studies (see January 2002; February 19, 2003-February 21, 2003). [Associated Press, 4/4/2002; East Bay Express, 5/29/2002; BBC, 6/2/2002; Mother Jones, 7/9/2002]

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

Category Tags: GM Contamination, Mexico, Studies-academic, Biodiversity, Corn

Mexico’s Ministry of the Environment and Natural Resources publishes the results of its study (see September 18, 2001) on transgenic contamination in Oaxaca and nearby Puebla. The study found contamination levels between 3 and 13 percent in eleven communities and between 20 and 60 percent in four others. Tests conducted on maize sold in government food stores revealed that 37 percent contained the GM genes. [East Bay Express, 5/29/2002]

Entity Tags: Ministry of the Environment and Natural Resources

Category Tags: GM Contamination, Mexico, Studies-government, Corn

In an unprecedented move, Nature runs an editorial pulling its support for a controversial study by Berkeley scientists David Quist and Dr. Ignacio Chapela on genetic contamination of native Mexican maize. The study, published the previous fall (see Late November 2001), reported that native maize in Oaxaca had been contaminated with genetically modified (GM) genes and that transgene fragments were found scattered throughout the plants’ modified DNA. Immediately after being published, the article came under attack by pro-GM scientists who disputed Quist’s and Chapela’s second finding. “In light of these discussions and the diverse advice received, Nature has concluded that the evidence available is not sufficient to justify the publication of the original paper,” the journal’s editor, Philip Campbell, writes. “As the authors nevertheless wish to stand by the available evidence for their conclusions, we feel it best simply to make these circumstances clear, to publish the criticisms, the authors’ response and new data, and to allow our readers to judge the science for themselves.” Though the journal withdraws its support, it does not retract the article. [Associated Press, 4/4/2002; East Bay Express, 5/29/2002; Mother Jones, 7/9/2002] The decision to withdraw support is based on the opinions of three unnamed independent experts whom Nature consulted. Only one of those experts, however, disputed Quist’s and Chapela’s finding that there was evidence of contamination. All three agreed that the second finding—that transgene fragments were scattered throughout the plants’ modified DNA—was flawed. [BBC, 6/2/2002]

Entity Tags: David Quist, Ignacio Chapela, Philip Campbell

Category Tags: GM Contamination, Mexico, Studies-academic

Jorge Soberon, the executive secretary of Mexico’s biodiversity commission, announces that government scientists have confirmed that genetically modified (GM) corn is growing in Mexico. The finding supports what two US scientists reported several months earlier (see Late November 2001) in a highly controversial paper published in the journal Science. Calling it the “world’s worst case of contamination by GM material,” he says 95 percent of the sites sampled in Oaxaca and Puebla were found to have GM maize. Samples taken from these sites indicated a contamination level as high as 35 percent. [Daily Telegraph, 4/19/2002; Mother Jones, 7/9/2002]

Entity Tags: Jorge Soberon, Ministry of the Environment and Natural Resources

Category Tags: Mexico, Biodiversity, GM Contamination, Corn, Monsanto v. Schmeiser, Studies-government

A study conducted by a coalition of North American civil society organizations finds that cornfields in nine Mexican states—Chihuahua, Morelos, Durango, Mexico State, Puebla, Oaxaca, San Luis Potosi, Tlaxcala, and Veracruz—are contaminated with genetically modified (GM) DNA. A total of 2,000 plants from 138 farming and indigenous communities are tested. Contaminated corn is discovered in 33 of these communities, or 24 percent. Contamination levels vary from 1.5 percent to 33.3 percent. Some plants are found to contain as many as four different types of GM DNA—one herbicide-resistant variety and three Bt varieties, including Starlink, which is banned for human consumption in the US. Several plants in at least one of the contaminated fields are deformed. “We have seen many deformities in corn, but never like this,” Baldemar Mendoza, an indigenous farmer from Oaxaca, says during a news conference. “One deformed plant in Oaxaca that we saved tested positive for three different transgenes. The old people of the communities say they have never seen these kinds of deformities.” [ETC Group, 10/11/2003]

Category Tags: GM Contamination, Mexico, Studies-civil society, Corn, Indigenous peoples

The US, Mexico, and Canada enter into a trilateral agreement that allows food and grain shipments to have GM contamination levels as high as 5 percent. Shipments containing less than the five percent level will only have to bear a label indicating that the grain may contain genetically modified organisms. Additionally, accidental contamination of corn shipments into Mexico will not trigger any labeling requirements. Only the distributor will have to be informed of the contamination. The Mexican government enters into the agreement without the Mexican Senate’s approval. [Associated Press, 2/26/2004] Critics of the deal say the US is attempting to protect agricultural biotech companies and US agriculture. A large percentage of the country’s crop is genetically modified and as a result US farmers and biotechs are having a tough time finding markets abroad. Raising the acceptable contamination limits in other countries will help increase US grain exports. Critics also say that the deal could have a dramatically adverse effect on the genetic diversity of Mexico’s maize. It could result in the planting of more genetically modified corn since small farmers have been known to occasionally plant feed as seed. A few years before, maize growing in Oaxaca and Puebla was discovered to contain genetically modified genes (see October 2000; April 18, 2002). It is believed that the contamination was caused in part by farmers who had planted feed from local stores selling grain imported from the US. The ETC Group, a Canadian-based organization that is opposed to genetically modified crops, warns that if Mexico permits the import of grain with such high levels of contamination, the country’s “maize crop would be riddled with foreign DNA from the Rio Grande to Guatemala in less than a decade.” [ETC Group, 2/26/2004] Greenpeace believes that US efforts to convince countries to lower the accepted levels of contamination are aimed at undermining the Cartagena Protocol on Biosafety (see January 24-29, 2000), which has been set up to regulate transboundary shipments of genetically modified organisms. [Greenpeace, 2/11/2004]

Entity Tags: United States, Mexico

Category Tags: Mexico, International trade of GM food

The Mexican Department of Agriculture turns down all seven requests filed by biotech companies to plant experimental fields of genetically engineered corn in northern Mexico. Companies that applied for permits included Monsanto, Pioneer Hi-Bred International Inc., and others. [Associated Press, 10/18/2006]

Entity Tags: Pioneer Hi-Bred International Inc., Monsanto

Category Tags: Mexico

Ordering 

Time period


Email Updates

Receive weekly email updates summarizing what contributors have added to the History Commons database

 
Donate

Developing and maintaining this site is very labor intensive. If you find it useful, please give us a hand and donate what you can.
Donate Now

Volunteer

If you would like to help us with this effort, please contact us. We need help with programming (Java, JDO, mysql, and xml), design, networking, and publicity. If you want to contribute information to this site, click the register link at the top of the page, and start contributing.
Contact Us

Creative Commons License Except where otherwise noted, the textual content of each timeline is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike