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Genetically modified food
Method
Genetic modification involves the insertion or deletion of genes. In the process of Cisgenesis genes are artificially transferred between organisms that could be conventionally bred. In the process of Transgenesis genes from a different species are inserted, which is a form of horizontal gene transfer. In nature this can occur when exogenous DNA penetrates the cell membrane for any reason. To do this artificially may require attaching the genes to a virus or just physically inserting the extra DNA into the nucleus of the intended host with a very small syringe, or with very small particles fired from a gene gun. However, other methods exploit natural forms of gene transfer, such as the ability of Agrobacterium to transfer genetic material to plants, and the ability of lentiviruses to transfer genes to animal cells.
Development
The first commercially grown genetically modified whole food crop was a tomato (called FlavrSavr), which was modified to ripen without softening, by a Californian company Calgene. Calgene took the initiative to obtain FDA approval for its release in 1994 without any special labeling, although legally no such approval was required. It was welcomed by consumers who purchased the fruit at a substantial premium over the price of regular tomatoes. However, production problems and competition from a conventionally bred, longer shelf-life variety prevented the product from becoming profitable. A variant of the Flavr Savr was used by Zeneca to produce tomato paste which was sold in Europe during the summer of 1996. The labeling and pricing were designed as a marketing experiment, which proved, at the time, that European consumers would accept genetically engineered foods.
Currently, there are a number of food species in which a genetically modified version exists.
Food
Properties of the genetically modified variety
Modification
Percent Modified in US
Percent Modified in world
Soybeans
Resistant to glyphosate or glufosinate herbicides
Herbicide resistant gene taken from bacteria inserted into soybean
89%
TBA
Corn, field
Resistant to glyphosate or glufosinate herbicides, Insect resistance - using Bt proteins some previously used as pesticides in organic crop production.
Vitamin-enriched corn derived from South African white corn variety M37W has bright orange kernels, with 169x increase in beta carotene, 6x the vitamin C and 2x folate. || New genes added/transferred into plant genome. || 60% || TBA
Cotton (cottonseed oil)
Pest-resistant cotton
Bt crystal protein gene added/transferred into plant genome
83%
62%
Hawaiian papaya
Variety is resistant to the papaya ringspot virus.
New gene added/transferred into plant genome
+50%
TBA
Tomatoes
Variety in which the production of the enzyme polygalacturonase (PG) is suppressed, retarding fruit softening after harvesting.
A reverse copy (an antisense gene) of the gene responsible for the production of PG enzyme added into plant genome
Taken off the market due to commercial failure.
None
Potatoes
Amflora variety produces waxy potato starch composed almost exclusively of the amylopectin component of starch.
The gene for granule bound starch synthase (GBSS) (the key enzyme for the synthesis of amylose) was switched off by inserting antisense copy of the GBSS gene.
Amflora will be produced solely under contract farming conditions and not made available on the general market.
TBA
Rapeseed (Canola)
Resistance to herbicides (glyphosate or glufosinate), high laurate canola
New genes added/transferred into plant genome
75%
TBA
Sugar cane
Resistance to certain pesticides, high-sucrose cane.
New genes added/transferred into plant genome
TBA
TBA
Sugar beet
Resistance to glyphosate, glufosinate herbicides
New genes added/transferred into plant genome
TBA
TBA
Sweet corn
Produces its own bioinsecticide (Bt toxin)
Gene from the bacterium Bacillus thuringiensis added to the plant.
TBA
TBA
Rice
Genetically modified to contain high amounts of Vitamin A (beta-carotene)
"Golden rice" Three new genes implanted: two from daffodils and the third from a bacterium
TBA
TBA
In addition, various genetically engineered micro-organisms are routinely used as sources of enzymes for the manufacture of a wide variety of processed foods. These include alpha-amylase from bacteria, which converts starch to simple sugars, chymosin from bacteria or fungi that clots milk protein for cheese making, and pectinesterase from fungi which improves fruit juice clarity.
Growing Genetically Modified crops
Between 1997 and 2005, the total surface area of land cultivated with GMOs had increased by a factor of 50, from 17,000 km2 (4.2 million acres) to 900,000 km2 (222 million acres).
Although most GM crops are grown in North America, in recent years there has been rapid growth in the area sown in developing countries. For instance in 2005 the largest increase in crop area planted to GM crops (soybeans) was in Brazil (94,000 km2 in 2005 versus 50,000 km2 in 2004.) There has also been rapid and continuing expansion of GM cotton varieties in India since 2002. (Cotton is a major source of vegetable cooking oil and animal feed.) It is predicted that in 2008/9 32,000 km2 of GM cotton will be harvested in India (up more than 100 percent from the previous season).
Indian national average cotton yields of GM cotton were seven times lower in 2002, because the parental cotton plant used in the genetic engineered variant was not well suited to the climate of India and failed. The publicity given to transgenic trait Bt insect resistance has encouraged the adoption of better performing hybrid cotton varieties, and the Bt trait has substantially reduced losses to insect predation. Though controversial and often disputed, economic and environmental benefits of GM cotton in India to the individual farmer have been documented.
In 2003, countries that grew 99% of the global transgenic crops were the United States (63%), Argentina (21%), Canada (6%), Brazil (4%), China (4%), and South Africa (1%). The Grocery Manufacturers of America estimate that 75% of all processed foods in the U.S. contain a GM ingredient . In particular, Bt corn, which produces the pesticide within the plant itself, is widely grown, as are soybeans genetically designed to tolerate glyphosate herbicides. These constitute "input-traits" are aimed to financially benefit the producers, have indirect environmental benefits and marginal cost benefits to consumers.
In the US, by 2006 89% of the planted area of soybeans, 83% of cotton, and 61% corn were genetically modified varieties. Genetically modified soybeans carried herbicide-tolerant traits only, but maize and cotton carried both herbicide tolerance and insect protection traits (the latter largely the Bacillus thuringiensis Bt insecticidal protein). In the period 2002 to 2006, there were significant increases in the area planted to Bt protected cotton and maize, and herbicide tolerant maize also increased in sown area.
Crop yields
Some scientific studies have claimed that genetically modified varieties of plants do not produce higher crop yields than normal plants. However, other scientific studies dispute these claims.[citation needed]
One study by Charles Benbrook, Chief Scientist of the Organic Center, found that genetically engineered Roundup Ready soybeans do not increase yields (Bendrook, 1999). The report reviewed over 8,200 university trials in 1998 and found that Roundup Ready soybeans yielded 7-10% less than similar natural varieties. In addition, the same study found that farmers used 5-10 times more herbicide (Roundup) on Roundup Ready soybeans than on conventional ones.
Coexistence and traceability
The United States and Canada do not require labeling of genetically modified foods. However in certain other regions, such as the European Union, Japan, Malaysia and Australia, governments have required labeling so consumers can exercise choice between foods that have genetically modified, conventional or organic origins. This requires a labeling system as well as the reliable separation of GM and non-GM organisms at production level and throughout the whole processing chain. Research suggests that this may prove impossible.[citation needed]
For traceability, the OECD has introduced a "unique identifier" which is given to any GMO when it is approved. This unique identifier must be forwarded at every stage of processing.[citation needed] Many countries have established labeling regulations and guidelines on coexistence and traceability. Research projects such as Co-Extra, SIGMEA and Transcontainer are aimed at investigating improved methods for ensuring coexistence and providing stakeholders the tools required for the implementation of coexistence and traceability.[citation needed]
Detection
Testing on GMOs in food and feed is routinely done using molecular techniques like DNA microarrays or qPCR. These tests can be based on screening genetic elements (like p35S, tNos, pat, or bar) or event-specific markers for the official GMOs (like Mon810, Bt11, or GT73). The array-based method combines multiplex PCR and array technology to screen samples for different potential GMOs , combining different approaches (screening elements, plant-specific markers, and event-specific markers).
The qPCR is used to detect specific GMO events by usage of specific primers for screening elements or event-specific markers. Controls are necessary to avoid false positive or false negative results. For example, a test for CaMV is used to avoid a false positive in the event of a virus contaminated sample.
PLU codes
A Price Look-Up code beginning with the digit 8 indicates genetically modified food.
Controversy
Main article: GM food controversy
While it is evident that there is a food supply issue; the question is whether GM can solve world hunger problems. Several scientists argue that in order to meet the demand for food in the developing world, a second green revolution with increased use of GM crops is needed. Others argue that there is more than enough food in the world and that the hunger crisis is caused by problems in food distribution and politics, not production. Recently some critics have changed their minds on the issue with respect to the need for additional food supplies.
enetic modification is analogous to nuclear power: nobody loves it, but climate change has made its adoption imperative, says economist Paul Collier of Oxford University. "Declining genetic modification makes a complicated issue more complex. Genetic modification offers both faster crop adaptation and a biological, rather than chemical, approach to yield increases."
On the other hand, many believe that GMF have not been a success and that we should devote our efforts and money into another solution. e need biodiversity intensification that works with nature nutrient and water cycles, not against them, says Vandana Shiva. Shiva, the founder of Navdanya, the movement of 500,000 seed keepers and organic farmers in India, argues that GMF have not increased yields. Recently, Doug Gurian-Sherman, a member of the Union of Concerned Scientists, a nonprofit science advocacy group, published a report called ailure to Yield, in which he stated that in a nearly 20 year record, genetically engineered crops have not increased yields.
Taking a more technical approach, GMF help farmers produce, despite the odds or any environmental barriers. hile new technology must be tested before it is commercially released, we should be mindful of the risks of not releasing it at all, says Per Pinstrup-Andersen professor of Food, Nutrition and Public Policy at Cornell University. Per Pinstrup-Anderson argues, isguided anti-science ideology and failure by governments to prioritize agricultural and rural development in developing countries brought us the food crisis. He clearly states the challenge we face is not the challenge of whether we have enough resources to produce, but whether we will change our behavior.
Economic and political effects
Adoption of genetically-engineered crops in the United States.
Many proponents of genetically engineered crops claim they lower pesticide usage and have brought higher yields and profitability to many farmers, including those in developing nations.
The United States has seen a widespread adoption of genetically-engineered corn, cotton and soybean crops over the last decade (see figure).
In August 2003, Zambia cut off the flow of Genetically Modified Food (mostly maize) from UN's World Food Programme. This left a famine-stricken population without food aid.
In December 2005 the Zambian government changed its mind in the face of further famine and allowed the importation of GM maize. However, the Zambian Minister for Agriculture Mundia Sikatana has insisted that the ban on genetically modified maize remains, saying "We do not want GM (genetically modified) foods and our hope is that all of us can continue to produce non-GM foods."
In April 2004 Hugo Chvez announced a total ban on genetically modified seeds in Venezuela.
In January 2005, the Hungarian government announced a ban on importing and planting of genetic modified maize seeds, which was subsequently authorized by the EU.
On August 18, 2006, American exports of rice to Europe were interrupted when much of the U.S. crop was confirmed to be contaminated with unapproved engineered genes, possibly due to accidental cross-pollination with conventional crops.
On February 9, 2010, Indian Environment Minister, Jairam Ramesh, imposed a moratorium on the cultivation of GMF "for as long as it is needed to establish public trust and confidence". His decision was made after protest from several groups responding to regulatory approval of the cultivation of Bt Brinjal, a GM eggplant in October, 2009.
Intellectual property
Traditionally, farmers in all nations saved their own seed from year to year. Allowing to follow this practice with genetically modified seed would result in seed developers losing the ability to profit from their breeding work. Therefore, genetically-modified seed are subject to licensing by their developers in contracts that are written to prevent farmers from following this traditional practice. Many objections to genetically modified food crops are based on this change.
Main article: Monsanto Canada Inc. v. Schmeiser
Enforcement of patents on genetically modified plants is often contentious, especially because of gene flow. In 1998, 95-98 percent of about 10 km2 planted with canola by Canadian farmer Percy Schmeiser were found to contain Monsanto Company's patented Roundup Ready gene although Schmeiser had never purchased seed from Monsanto. The initial source of the plants was undetermined, and could have been through either gene flow or intentional theft. However, the overwhelming predominance of the trait implied that Schmeiser must have intentionally selected for it. The court determined that Schmeiser had saved seed from areas on and adjacent to his property where Roundup had been sprayed, such as ditches and near power poles.
Although unable to prove direct theft, Monsanto sued Schmeiser for piracy since he knowingly grew Roundup Ready plants without paying royalties(Ibid). The case made it to the Canadian Supreme Court, which in 2004 ruled 5 to 4 in Monsanto favor. The dissenting judges focused primarily on the fact that Monsanto's patents covered only the gene itself and glyphosate resistant cells, and failed to cover transgenic plants in their entirety. All of the judges agreed that Schmeiser would not have to pay any damages since he had not benefited from his use of the genetically modified seed.
In response to criticism, Monsanto Canada's Director of Public Affairs stated that "It is not, nor has it ever been Monsanto Canada's policy to enforce its patent on Roundup Ready crops when they are present on a farmer's field by accident...Only when there has been a knowing and deliberate violation of its patent rights will Monsanto act."
Future developments
Future envisaged applications of GMOs are diverse and include drugs in food, bananas that produce human vaccines against infectious diseases such as Hepatitis B, metabolically engineered fish that mature more quickly, fruit and nut trees that yield years earlier, foods no longer containing properties associated with common intolerances, and plants that produce new plastics with unique properties. While their practicality or efficacy in commercial production has yet to be fully tested, the next decade may see exponential increases in GM product development as researchers gain increasing access to genomic resources that are applicable to organisms beyond the scope of individual projects. Safety testing of these products will also, at the same time, be necessary to ensure that the perceived benefits will indeed outweigh the perceived and hidden costs of development. Plant scientists, backed by results of modern comprehensive profiling of crop composition, point out that crops modified using GM techniques are less likely to have unintended changes than are conventionally bred crops.
Health risks
In the United States, the FDA Center for Food Safety and Applied Nutrition must approve the nutritional characteristics of GMO foods on the basis of comparability to conventionally-produced foods. The table below shows the foods that had received FDA approval as of 2002.
A 2008 review published by the Royal Society of Medicine noted that GM foods have been eaten by millions of people worldwide for over 15 years, with no reports of ill effects. Similarly a 2004 report from the US National Academies of Sciences stated: "To date, no adverse health effects attributed to genetic engineering have been documented in the human population." Worldwide, there are a range of perspectives within non-governmental organizations on the safety of GM foods. For example, the US pro-GM pressure group AgBioWorld has argued that GM foods have been proven safe, while other pressure groups and consumer rights groups, such as the Organic Consumers Association, and Greenpeace claim the long term health risks which GM could pose, or the environmental risks associated with GM, have not yet been adequately investigated.
In 1998 Rowett Research Institute scientist rpd Pusztai reported that consumption of potatoes genetically modified to contain lectin had adverse intestinal effects on rats. Pusztai eventually published a paper, co-authored by Stanley Ewen, in the journal, The Lancet. The paper claimed to show that rats fed on potatoes genetically modified with the snowdrop lectin had unusual changes to their gut tissue when compared with rats fed on non modified potatoes. The experiment has been criticised by other scientists on the grounds that the unmodified potatoes were not a fair control diet and that all the rats may have been sick, due to them being fed a diet of only potatoes.
In 2010 three scientists published a statistical re-analysis of three feeding trials that had previously been published by others as establishing the safety of genetically modified corn. The new article claimed that their statistics instead showed that the three patented crops (Mon 810, Mon 863, and NK 603) developed and owned by Monsanto cause liver, kidney, and heart damage in mammals. A previous re-analysis of part of this data by the same group of scientists was assessed by a panel of independent toxicologists in a study funded by Monsanto and published in the journal Food and chemical toxicology, the reviewers reported that the study was statistically flawed and providing no evidence of adverse effects.
Gene transfer
As of January 2009 there has only been one human feeding study conducted on the effects of genetically modified foods. The study involved seven human volunteers who had previously had their large intestines removed. These volunteers were to eat GM soy to see if the DNA of the GM soy transferred to the bacteria that naturally lives in the human gut. Researchers identified that three of the seven volunteers had transgenes from GM soy transferred into the bacteria living in their gut, though none of the gene transfers occurred during the course of the study. In volunteers with complete digestive tracts, the transgene did not survive passage through intact gastrointestinal tract. Anti-GM advocates believe the study should prompt additional testing to determine its significance.
A study on the possible effects of feeding genetically modified feeds to animals found that there was no significant differences in the safety and nutritional value of feedstuffs containing material derived from genetically modified plants. Specifically, the study noted that no residues of recombinant DNA or novel proteins have been found in any organ or tissue samples obtained from animals fed with GMP plants.
Allergies
In the mid 1990s Pioneer Hi-Bred tested the allergenicity of a transgenic soybean that expressed a Brazil nut seed storage protein in hope that the seeds would have increased levels of the amino acid methionine. The tests (radioallergosorbent testing, immunoblotting, and skin-prick testing) showed that individuals allergic to Brazil nuts were also allergic to the new GM soybean. Pioneer has indicated that it will not develop commercial cultivars containing Brazil nut protein because the protein is likely to be an allergen.
See also
Plant breeding
Transgenic plant
International trade of genetically modified foods
References
^ Kang JX et al. (2007). "Why the omega-3 should go to market". Nature Biotechnology 25 (5): 505506. doi:10.1038/nbt0507-505. http://www.nature.com/nbt/journal/v25/n5/full/nbt0507-505.html. Retrieved 2009-03-29.
^ Fiester, A. (2006). "Why the omega-3 piggy should not go to market". Nature Biotechnology 24: 14721473. doi:10.1038/nbt1206-1472. http://repository.upenn.edu/cgi/viewcontent.cgi?article=1053&context=bioethics_papers. Retrieved 2009-03-29.
^ Lai L et al. (2006). "Generation of cloned transgenic pigs rich in omega-3 fatty acids". Nature Biotechnology 24 (4): 435436. doi:10.1038/nbt1198. http://pmbcii.psy.cmu.edu/evans/2006_Lia.pdf. Retrieved 2009-03-29.
^ Guelph Transgenic Pig Research Program: EnviropigTM an environmentally friendly breed of pigs that utilizes plant phosphorus efficiently. November 04, 2005.
^ a b NRC. (2004). Safety of Genetically Engineered Foods: Approaches to Assessing Unintended Health Effects. National Academies Press. Free full text.
^ a b Martineau, Belinda (2001). First Fruit: The Creation of the Flavr Savr Tomato and the Birth of Biotech Foods. McGraw-Hill. pp. 269. ISBN 978-0071360562.
^ FDA Consumer Letter (September 1994): First Biotech Tomato Marketed
^ GEO-PIE Project - Cornell University
^ Shaista Naqvi, et al. Transgenic multivitamin corn through biofortification of endosperm with three vitamins representing three distinct metabolic pathways PNAS April 27, 2009.
^ [http://www.ctahr.hawaii.edu/oc/freepubs/pdf/NPH-1.pdf Richard M. Manshardt H Rainbow Papaya: A High-Quality Hybrid with Genetically Engineered Disease Resistance. Cooperative Extension Service/CTAHR, University of Hawaii at Manoa.]
^ [http://www.foodsafety.gov/~lrd/biotechn.html U.S. Food and Drug Administration Center for Food Safety and Applied Nutrition, Biotechnology of Food. FDA Backgrounder: May 18, 1994.]
^ Amflora - A star(ch) is born: Amylose and Amylopectin - two sides to one potato.
^ Rapeseed (canola) has been genetically engineered to modify its oil content with a gene encoding a "12:0 thioesterase" (TE) enzyme from the California bay plant (Umbellularia californica) to increase medium length fatty acids, see:
^ GE Enzymes and Microorganisms
^ Need a more specific citation for this data than the ISAAA homepage.
^ Economic Impact of Genetically Modified Cotton in India
^ Comparing the Performance of Official and Unofficial Genetically Modified Cotton in India
^ Genetically Modified Foods and Organisms
^ Genetic Engineering: The Future of Foods?
^ Adoption of Genetically Engineered Crops in the U.S. USDA ERS July 14, 2006
^ Press Releases 2008
^ Organic Farming can Feed The World!
^ Trade barriers seen in EU label for bio-engineered ingredients. (Regulatory and Policy Trends). Business and the Environment 13.11 (Nov 2002): p14(1).
^ a b northwestern.edu Northwestern Journal of Technology and Intellectual Property Paper on: "Consumer Protection" Consumer Strategies and the European Market in Genetically Modified Foods Quote: The recent Trans Atlantic Consumer Dialogue (TACD) Statement on the WTO decision makes this clear: "clearly consumers' preference for non-GM food is the true engine of the market collapse for American crops." and For instance, Evenson notes that the politicization of GMOs is not merely a question of labeling as information, but unlabeled GM products as catalysts in the "globalization backlash."
^ a b CBC Identifying genetically modified products. Quote: Yet as seen in this report from CBC's Marketplace, no such labeling law exists in Canada despite numerous surveys indicating up to 90 per cent of Canadians want mandatory labeling of GM food. Canada's leading national consumer group does not support mandatory labeling. It appeared to reverse its stance on December 3, 2003: http://www.consumer.ca/1626
^
^ Raney, Terri, and Prahbu Pingali. "Sowing A Gene Revolution." Scientific American September 2007. 11 September 2008 < http://www.sciam.com/article.cfm?id=sowing-a-gene-revolution>.
^ Lappe FM, Collins J, Rosset P, and Esparza LFrances Moore Lapp ; Joseph Collins; Peter Rosset. With Luis Esparza. (1998). World Hunger: Twelve Myths. Grove Press. pp. 224. ISBN 978-0802135919.
^ Boucher Dedited by Douglas H. Boucher. (1999). The Paradox of Plenty: Hunger in a Bountiful World. Food First. pp. 342. ISBN 978-0935028713.
^ Valley, Paul. Strange fruit: Could genetically modified foods offer a solution to the world's food crisis? The Independent, 18 April 2009.
^ http://roomfordebate.blogs.nytimes.com/2009/10/26/can-biotech-food-cure-world-hunger/#paul Put Aside Prejudices
^ http://roomfordebate.blogs.nytimes.com/2009/10/26/can-biotech-food-cure-world-hunger/#vandana The Failure of Gene Altered Crops]
^ http://roomfordebate.blogs.nytimes.com/2009/10/26/can-biotech-food-cure-world-hunger/#per A green Revolution Done Right
^ http://www.ers.usda.gov/Data/BiotechCrops/ US Department of Agriculture, Economic Research Service. Adoption of Genetically Engineered Crops in the U.S. July 2, 2008
^ Economic Impact of Transgenic Crops in Developing Countries
^ Zambia Allows Its People To Eat
^ The Peninsula On-line: Qatar's leading English Daily
^ World Environment News - Planet Ark
^ Venezuela: Chavez Dumps Monsanto - Social and Economic Policy - Global Policy Forum
^ Home
^ Agriculture Department Probes Rice Flap: NPR
^ "India says no to first GM food crop", Agence France-Presse (AFP) (New Delhi), 9 February 2010, http://www.google.com/hostednews/afp/article/ALeqM5hx8gKVOxrM8-7Pkj6nWSsPwbXBIw
^ United States General Accounting Office, Report to the Chairman, Subcommittee on Risk Management, Research, and Specialty Crops, Committee on Agriculture, House of Representatives. Information on Prices of Genetically Modified Seeds in the United States and Argentina. January 2000
^ a b Munzer, Stephen R. (2006). Plants, Torts, and Intellectual Property. Oxford University Press. pp. 130.
^ a b Federal court of Canada. Monsanto Canada Inc. v. Schmeiser Date: 20010329 Docket: T-1593-98 Retrieved 26 March 2006.
^ Schubert, Robert: "Schmeiser Wants to Take It to The Supreme Court", CropChoice News, September 9, 2002
^ Kumar, G. B. Sunil; T. R. Ganapathi, C. J. Revathi, L. Srinivas and V. A. Bapat (October 2005). "Expression of hepatitis B surface antigen in transgenic banana plants". Planta 222: 484493. doi:10.1007/s00425-005-1556-y. http://www.springerlink.com/content/j28573pu42212114/.
^ van Beilen, Jan B.; Yves Poirier (May 2008). "Harnessing plant biomass for biofuels and biomaterials:Production of renewable polymers from crop plants". The Plant Journal 54 (4): 684701. doi:10.1111/j.1365-313X.2008.03431.x. http://www.blackwell-synergy.com/doi/abs/10.1111/j.1365-313X.2008.03431.x.
^ Proteomic profiling and unintended effects in genetically modified crops, Sirpa O. Krenlampi and Satu J. Lehesranta 2006
^ Hierarchical metabolomics demonstrates substantial compositional similarity between genetically modified and conventional potato crops, G S Catchpole and others PNAS October 4, 2005 vol. 102 no. 40 14458-14462
^ http://www.gao.gov/new.items/d02566.pdf US GAO. "Genetically Modified Foods: Experts View Regimen of Safety Tests as Adequate, but FDA's Evaluation Process Could Be Enhanced." GAO-02-566 Genetically Modified Foods,
^ Key S, Ma JK, Drake PM (June 2008). "Genetically modified plants and human health". J R Soc Med 101 (6): 2908. doi:10.1258/jrsm.2008.070372. PMID 18515776. http://jrsm.rsmjournals.com/cgi/content/full/101/6/290.
^ Peer Reviewed Publications on the Safety of GM Foods. AgBioWorld.
^ Organic Consumers Association
^ True Food Now!
^ James Randerson interviews biologist Arpad Pusztai | Education | The Guardian
^ Ewen SW, Pusztai A (October 1999). "Effect of diets containing genetically modified potatoes expressing Galanthus nivalis lectin on rat small intestine". Lancet 354 (9187): 13534. doi:10.1016/S0140-6736(98)05860-7. PMID 10533866.
^ Martin Enserink The Lancet Scolded Over Pusztai Paper Science 22 October 1999: Vol. 286. no. 5440, p. 656 DOI 10.1126/science.286.5440.656a
^ Hammond B, Lemen J, Dudek R, et al. (February 2006). "Results of a 90-day safety assurance study with rats fed grain from corn rootworm-protected corn". Food Chem. Toxicol. 44 (2): 14760. doi:10.1016/j.fct.2005.06.008. PMID 16084637.
^ Hammond B, Dudek R, Lemen J, Nemeth M (June 2004). "Results of a 13 week safety assurance study with rats fed grain from glyphosate tolerant corn". Food Chem. Toxicol. 42 (6): 100314. doi:10.1016/j.fct.2004.02.013. PMID 15110110.
^ Hammond BG, Dudek R, Lemen JK, Nemeth MA (July 2006). "Results of a 90-day safety assurance study with rats fed grain from corn borer-protected corn". Food Chem. Toxicol. 44 (7): 10929. doi:10.1016/j.fct.2006.01.003. PMID 16487643.
^ Spiroux de Vendmois, et al, "A Comparison of the Effects of Three GM Corn Varieties on Mammalian Health" Int J Biol Sci 2009; 5:706-726 Ivyspring International Publisher
^ Doull J, Gaylor D, Greim HA, Lovell DP, Lynch B, Munro IC (November 2007). "Report of an Expert Panel on the reanalysis by of a 90-day study conducted by Monsanto in support of the safety of a genetically modified corn variety (MON 863)". Food Chem. Toxicol. 45 (11): 207385. doi:10.1016/j.fct.2007.08.033. PMID 17900781. http://150.161.28.147/homepage/professores/ppa/biolmol/stacking/Doull_et_al-2007.pdf.
^ Netherwood et al., "Assessing the survival of transgenic planic plant DNA in the human gastrointestinal tract," Nature Biotechnology 22 (2004):2.
^ Smith, Jeffrey. Genetic Roulette: The Documented Health Risks of Genetically Engineered Foods, p.130, 2007
^ http://www.informaworld.com/smpp/content~db=all?content=10.1080/17450390512331342368 "Animal nutrition with feeds from genetically modified plants" Prof. Dr Gerhard Flachowsky; Andrew Chesson; Karen Aulrich
^ Julie A. Nordlee, "Identification of Brazil-Nut Allergen in Transgenic Soybeans," New England Journal of Medicine, 334 (1996):688-692.
^ Streit, L.G., L.R. Beach, J.C. Register, III, R. Jung, and W.R. Fehr. 2001. Association of the Brazil nut protein gene and Kunitz trypsin inhibitor alleles with soybean protease inhibitor activity and agronomic traits. Crop Sci. 41:17571760.
External links
Cons and Pros of GM food.
http://www.ornl.gov/sci/techresources/Human_Genome/elsi/gmfood.shtml
Wikibooks has a book on the topic of
Genes, Technology and Policy
Resolution To Label GMO Food Resolution to secure mandatory labeling of GMO food.
Website Citizens To Label GMO Food Information on GMO food labeling.
FAO Agriculture Department and its SOFA report on Agricultural Biotechnology addressing GM food safety
GMO Compass Information on the use of genetic engineering in the agri-food industry. Authorization database with all GM plants in the EU.
GMO Safety Information about research projects on the biological safety of genetically modified plants.
Approved GM crop database
New Scientist article on GMO foods
The FDA List of Completed Consultations on Bioengineered Foods
Coextra research project on coexistence and tracebility of GM and non-GM supply chains
STEPS Centre Biotechnology Research Archive
Controlling Our Food a documentary film by Marie-Monique Robin
Suggested Reading
Mark Pollack & Gregory Shaffer, When Cooperation Fails: The International Law and Politics of Genetically Modified Foods (Oxford University Press 2009).
Mendel in the Kitchen, by Nina Fedoroff and Nancy Marie Brown
The environmental food crisis A study done by the UN on feeding the world population (2009)
Tomorrow's Table: Organic Farming, Genetics, and the Future of Food, Ronald and Adamchak (2008) ISBN 978-0195301755
Biotechnology, Agriculture, and Food Security in Southern Africa Edited by Steven Were Omamo and Klaus von Grebmer (2005) (Brief and Book available)
Genetic Roulette: The Documented Health Risks of Genetically Engineered Foods by Jeffrey M. Smith.
Beth H. Harrison (2007) Shedding Light on Genetically Engineered Food: What You Don't Know About the Food You're Eating and What You Can Do to Protect Yourself
World Hunger by Brian Kenneth Swain is a new fiction book concerning the topic of genetically-modified food and some potential consequences on society. ISBN 978-0595686254
McHughen, A. Pandora's Picnic Basket: The Potential and Hazards of Genetically Modified Foods, Oxford University Press, 2000
Tokar, B.(ed.) Redesigning Life? Zed Books, 2001.
Let Them Eat Precaution. How Politics Is Undermining the Genetic Revolution in Agriculture. By Byrne, J., Conko, G., Entine, J., Gilland, T., Hoban, T. H., Moore, P., Natsios, A. S, Newell-McGloughlin, M., Paarlberg, R. L., Prakash, C. S., Tucker Foreman, C., Edited by Jon Entine AEI Press (Washington) 2006. Facets of the GM crop debate not covered by antagonists to the technology.
Genetics by Nina V. Fedoroff and Nancy Marie Brown
Helena Norberg-Hodge, "The Pressure to Modernize and Globalize", in The Case Against the Global Economy and for a Turn Toward the Local 45 (J. Mander & E. Goldsmith eds., 1996)
Ellen Ruppel Shell, New World Syndrome, ATLANTIC MONTHLY, June 2001
Vandana Shiva, A World View of Abundance, ORION, Summer 2000
Eric Schlosser, Fast Food Nation: The Dark Side of the All American Meal (2001)
Michael Pollan, The Futures of Food: The Industry Has Found a Way to Co-opt the Threat from Organics and low Food. Remember the Meal in a Pill?, NY TIMES MAG., Sun., May 4, 2003, at sec. 6, p. 63
Matt Lee and Ted Lee, The Next Big Flavor: Searching For the Taste of Tomorrow, id. at 66
Amanda Hesser, Vintage Cuts, id. at 72
Danylo Hawaleshka with Brian Bethune and Sue Ferguson, Tainted Food, (Kraft to develop nanoparticles that can change food color, flavor, and nutrient value to suit a person health or palate)
Gary Ruskin, The Fast Food Trap: How Commercialism Creates Overweight Children, Mothering Mazagine, Nov./December 2003
Kate Zernike, Is Obesity the Responsibility of the Body Politic?, NY TIMES, Sun., November 9, 2003, at sec. 4, p. 3
Carl Hulse, Vote in House Bars Some Suits Citing Obesity, NY TIMES, Thurs., March 11, 2004, at sec. A., p. 1
Garcia, Deborah Koons (Director). 2004. The Future of Food. film.
v d e
Consumer Food Safety
Adulterants/Food contaminants
Formaldehyde Melamine 3-MCPD Cyanide Lead poisoning Mercury in fish Sudan red dye Aldicarb
Toxins/Poisons
Mycotoxins Shellfish poisoning Arsenic contamination of groundwater Aflatoxin Benzene in soft drinks Bisphenol A
Microorganisms
Campylobacter jejuni Escherichia coli O157:H7 Salmonella Listeria Botulism Clostridium perfringens Hepatitis A Hepatitis E Rotavirus Norovirus
Pesticides Overuse/Residues
Lindane DDT, Malathion, Chlorpyrifos, Methamidophos
Preservatives
Benzoic acid sodium benzoate EDTA
Sweeteners
Cyclamate Aspartame controversy Saccharin Sucralose acesulfame potassium high fructose corn syrup sorbitol
Food Scares
ICA meat repackaging controversy Bradford sweets poisoning Minamata disease Chilean grape scare 2005 Indonesia food scare 2008 Chinese milk scandal 2007 Vietnam food scare 2008 Canadian listeriosis outbreak 2008 United States salmonellosis outbreak 2006 North American E. coli outbreak Irish pork crisis of 2008 Toxic oil syndrome List of foodborne illness outbreaks List of food contamination incidents
Regulatory/Watchdog
International Food Safety Network Food and Drug Administration E number Acceptable daily intake Food Standards Agency Quality Assurance International Food Safety Act 1990 Pure Food and Drug Act European Food Safety Authority List of food safety organisations Food law Early history of food regulation in the United States Food labeling regulations
Food Processing
Polycyclic aromatic hydrocarbon Food irradiation Nitrosamines Trans fat Acrylamide Shortening Hydrolyzed vegetable protein Modified starch 4-Hydroxynonenal Heterocyclic amines Creutzfeldtakob disease
Misc
Foodborne illness Food Preservation Food safety in the People's Republic of China Curing (food preservation) Food quality Food marketing Genetically modified food Food safety (science) Food politics
Categories: Food industry | Genetically modified organisms in agriculture | Genetic engineering | Environmental issuesHidden categories: All articles with unsourced statements | Articles with unsourced statements from January 2010 | Articles with unsourced statements from April 2009
About the Author
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Crinkle Cotton Dress - Sizes: SM, MED or LG $15.99 This cool, comfortable, crinkle cotton dress is fashionably styled with a scoop neckline, button front, tiered bottom and full sweeping hemline. Great to wear as a sleeveless dress or as a jumper over shirts and tees. Imported. Easy care-machine washable, no iron. -Length from high point of shoulder: -For Sizes SM, MED and LG - 46" long-For Sizes XL-5X - 47" long -Available in sizes: SM(6-8), MED(10-12), LG(14-16), XL(18W-20W), 2X(22W-24W), 3X(26W-28W), 4X(30W-32W) or 5X(34W-36W) |
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