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Genetic Modification Taints Corn In Mexico

Football Betting Spread In a finding that has taken researchers by surprise and alarmed environmentalists, the Mexican government has discovered that some of the country's native corn varieties have been contaminated with genetically engineered DNA.

The results of the inquiry, in the southern state of Oaxaca, could come in nine to 10 months, he said. The commission is an environmental body set up under Nafta, which joins the United States, Mexico and Canada. July. The cultivation of transgenic corn was banned in Mexico in 1998 amid fears that it would contaminate the hundreds of wild creole varieties growing in Mexico, believed by many to be the birthplace of corn.

Commodity Spread Trading The contaminated seeds were collected from a region considered to be 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 result was unexpected because genetically modified corn, the presumed source of the foreign genes, has not been approved for commercial planting in Mexico.

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Nfl Betting Spread Scientists expressed concern that the foreign genes could act to reduce genetic diversity in the country's native corn varieties and in the wild progenitor of domesticated corn, known as teosinte. If any of the foreign genes are very advantageous, plants carrying those genes could begin to dominate the population. In such cases genetic variation will be lost as the diversity of plants not carrying the foreign genes decreases or disappears. Whether that will happen or has happened remains unknown.

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Advanced Commodity Spread In addition to being one of the world's most important crops, corn is viewed with a near religious reverence in Mexico, with seeds of native varieties passed down from generation to generation. Until now, scientists said researchers had assumed that these varieties, some of which are grown only by subsistence farmers in remote areas, were pristine.

But scientists from the University of California at Berkeley published studies last year saying they had found transgenic corn, also known as genetically modified corn, in the mountains of Oaxaca. The results from Berkeley have been challenged since then, though the scientists and local groups maintain that the mutated corn is still spreading in the Oaxaca Sierra. Genetically modified crops are plants spliced with foreign genes to help them resist drought and pests. No health risks have proved to be linked to the consumption of transgenic corn.

Betting Exchange Spread "These are the extremes, the places where you would really not expect to find contamination," said Dr. Ignacio Chapela, a microbial ecologist at the University of California at Berkeley, saying the results are an indication of widespread contamination. "The only reason they found it there is because that's the only place they've looked."

Mexico trade is valued at more than $2 billion but that Mexico has a trade deficit with Beijing. ''We should make more efforts to achieve a balance of trade, '' she said.

Stock Spread Trading Scientists said the results also indicated that crop genes might be able to spread across geographic areas and varieties more quickly than researchers had guessed.

Online Spread Betting "It shows in today's modern world how rapidly genetic material can move from one place to another," said Dr. Norman C. Ellstrand, evolutionary biologist at University of California at Riverside. He said the real worry was that other foreign genes like pharmaceutical-producing genes being developed in crops could also find their way quickly and unnoticed into distant food sources.

Complete Guide Spread Trading Genetically engineered corn, known as Bt corn because it produces the insecticide known as Bt, has been in use by farmers in the United States since 1996.

Betting Horse Racing Spread Mexico's Ministry of the Environment and Natural Resources made the announcement on Sept. 18 that contaminated corn had been found in 15 different localities. The announcement credited Dr. Chapela with the initial discovery but described only the results from government-led research. Neither Dr. Chapela's team nor the Mexican teams' work has yet been published.

Low Spread Forex Trading Scientists assume the native corn became contaminated through interbreeding with Bt corn, but how Bt corn may have come to be planted in Mexico remains a matter of speculation. While not approved for planting, biotech corn is legally imported into Mexico for use in food. Greenpeace, calling the contamination a form of genetic pollution, is calling on Mexico to ban all importation of genetically modified corn.

Sport Spread Betting The Mexican government has not disclosed exactly what genes were found. Exequiel Ezcurra, the director of the National Institute of Ecology, which worked on the study, did not respond to requests for an interview. But Dr. Chapela, who is familiar with the Mexican work, said the researchers had identified the presence of DNA sequences from the cauliflower mosaic virus. This DNA is used nearly universally in genetically engineered plants and does not produce Bt insecticide.

Trading Spread And Seasonals As a result, it is still unclear whether any of the contaminated corn has the ability to produce the Bt insecticide.

Arbitrage Spread Trading Scientists may eventually be able to quantify the biological effects of the contamination, but some say the cultural cost in a country where corn is a symbol of the Mexican people may be harder to measure.

Betting Guide Insider Sports "The people are corn," said Dr. Chapela, who is Mexican, "and the corn is the people."

Betting Spread Successful By Carol Kaesuk!Yoon
New York Times - 10/2/2001

Topic: Genetic Engineering

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