Why Such Opposition to Genetically Modified (GM) Crops
Published: 2015-04-25 - Updated: 2021-01-06
Author: Joseph Caputo - email@example.com | Contact: Cell Press News
Peer-Reviewed Publication: N/A
Synopsis: Explanation of opposition to genetically modified organisms, despite positive contributions GM crops have made to agriculture. The researchers believe that understanding why people are against GMOs is the first step toward identifying ways to counteract negative messages. Anti-GMO arguments tap into our intuitions that all organisms have an unobservable immutable core, an essence, and that things in the natural world exist or happen for a purpose.
A team of Belgian philosophers and plant bio-technologists have turned to cognitive science to explain why opposition to genetically modified organisms (GMOs) has become so widespread, despite positive contributions GM crops have made to sustainable agriculture.
This article is from our digest of publications relating to Food Security Information that also includes:
Genetically Modified Food
Genetically Modified Food is defined as food items that have had their DNA changed through genetic engineering. Unlike conventional genetic modification that is carried out through time-tested conventional breeding of plants and animals. Combining genes from different organisms is known as recombinant DNA technology, and the resulting organism is said to be "genetically modified," "genetically engineered," or "transgenic." GM products include medicines and vaccines, foods and food ingredients, feeds, and fibers.
Genetically Modified Organism (GMO)
A Genetically Modified Organism is defined as any organism whose genetic material has been altered using genetic engineering techniques.
GMO's are the source of genetically modified foods and are also widely used in scientific research and to produce goods other than food.
Genetic Engineering ,also called genetic modification, is defined as the direct manipulation of an organism's genome using biotechnology. New DNA may be inserted in the host genome by first isolating and copying the genetic material of interest using molecular cloning methods to generate a DNA sequence, or by synthesizing the DNA, and then inserting this construct into the host organism.
A chart of negative representations of GMOs tapping into intuitive preferences. Picture Credit - Blancke et al./Trends in Plant Science 2015
In a paper published April 10 in Trends in Plant Science, they argue that the human mind is highly susceptible to the negative and often emotional representations put out by certain environmental groups and other opponents of GMOs. The researchers urge the general public to form opinions on GMOs on a case-by-case basis, thereby not focusing on the technology but on the resulting product.
"The popularity and typical features of the opposition to GMOs can be explained in terms of underlying cognitive processes. Anti-GMO messages strongly appeal to particular intuitions and emotions," says lead author Stefaan Blancke, a philosopher with the Ghent University Department of Philosophy and Moral Sciences.
"Negative representations of GMOs - for instance, like claims that GMOs cause diseases and contaminate the environment - tap into our feelings of disgust and this sticks to the mind. These emotions are very difficult to counter, in particular because the science of GMOs is complex to communicate."
Examples of anti-GMO sentiment are present around the world - from the suspension of an approved genetically modified eggplant in India to the strict regulations on GM crops in Europe. Contributing to this public opposition, the researchers suspect, is a lack of scientific understanding of genetics (not even half of the respondents in a US survey rejected the claim that a fish gene introduced into a tomato would give it a fishy taste) as well as moral objections to scientists "playing God."
"Anti-GMO arguments tap into our intuitions that all organisms have an unobservable immutable core, an essence, and that things in the natural world exist or happen for a purpose," Blancke explains "This reasoning of course conflicts with evolutionary theory - the idea that in evolution one species can change into another. It also makes us very susceptible to the idea that nature is a force that has a purpose or even intentions that we shouldn't' meddle with."
While religious beliefs, particularly those that hold a romantic view of nature, have been accused of generating some of the negativity around GMOs, Blancke and his co-authors argue that there's more to the story. Using ideas from the cognitive sciences, evolutionary psychology, and cultural attraction theory, they propose that it is more a matter of messages competing for attention - in which environmental groups are simply much better at influencing people's gut feelings about GMOs than the scientific community.
"For a very long time people have only been hearing one side," Blancke says. "Scientists aren't generally involved with the public understanding of GMOs, not to mention the science of GMOs is highly counterintuitive and therefore difficult to convey to a lay audience - so they have been at a disadvantage form the start."
The researchers believe that understanding why people are against GMOs is the first step toward identifying ways to counteract negative messages. Blancke and co-author Geert De Jaeger, a plant biotechnologist, started in their community by developing a public lecture to dispel myths about GMOs. They urge others to build science education programs that can help balance out anti-GMO campaigns.
"We want to bring the two sides more together," Blancke says. "You cannot say every GMO is bad. You have to look at each case separately to make a judgment."
Trends in Plant Science, Blancke et al.: "Fatal attraction: the intuitive appeal of GMO opposition" dx.doi.org/10.1016/j.tplants.2015.03.011. Trends in Plant Science (TiPS), published by Cell Press, is a monthly review journal that features broad coverage of basic plant science, from molecular biology through to ecology. Aimed at researchers, students, and teachers, its articles are authoritative and written by both leaders in the field and rising stars.
Added: GMO Facts and Statistics
- Genetically engineered plants are generated in a laboratory by altering their genetic makeup and are tested in the laboratory for desired qualities.
- Most vegetable oil used in the US is produced from GM crops canola, corn, cotton and soybeans.
- There is broad scientific consensus that food on the market derived from GM crops poses no greater risk to human health than conventional food. However, opponents have objected to GM foods on grounds including safety, environmental impact and the fact that some GM seeds that are food sources are subject to intellectual property rights and owned by corporations.
- GM foods that include modified DNA and/or protein include fruits, vegetables, corn and soy. Corn and soy are also consumed after modifications that remove most/all DNA/protein.
- Livestock and poultry are raised on animal feed, much of which is composed of the leftovers from processing crops, including GM crops.
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