Transgene from GM Corn Found in Soil-Dwelling Animals
source: http://www.eco-farm.org/blogs/genetic-engineering/transgene_from_gm_corn_found/
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- JanforGore
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They collected the animals in May, August, and October (macroarthropods and nematodes) or in May and August (microarthropods and earthworms) from a field of Round-up Ready® corn.
The transgene was present in all types of animals on all collection dates, with the exception of nematodes collected in August. About 81% of nematodes collected in October tested positive for the transgene.
More than one-third of microarthropods (thrips, collembolans, and mites) tested positive. And slightly more than 10% of macroarthropods (mostly various insects) and earthworms tested positive.
Concentrations of the transgene tended to decrease in nematodes and earthworms and to increase in arthropods during the growing season. Levels of the transgene in the soil (free of plant tissues) were usually considerably lower than levels in the animals. The scientists who conducted this experiment rather matter-of-factly note: "Whether the presence of transgenes in the soil food web presents a risk for soil animals is not known."
We admit to being quite astounded by this statement, which appears to indicate that GM crops are being used far and wide without a clear understanding of their effects on the environment!
The bottom line is that (for the first time after years of commercial cropping of GM plants) there is "evidence for large concentrations of transgenic DNA in animals from the food web associated with RoundUp Ready® corn.
This indicates that the transgene does not significantly degrade within the food web.
Further, the guts of these animals may provide opportunity for genetic transformation into native soil bacteria." And that last "opportunity" might lead to movement of transgenes into non-GM plants and ultimately pose risks to human health.
It could very well be the case that the commercialization of GM crops will produce animals containing genes that could do great harm to humanity. A perhaps enormously problematic can of worms (and bugs), indeed!
Reference: Miranda M. Hart (Dept. of Integrative Biology, University of Guelph, Guelph, Ontario, CANADA N1G 2W1), et al., "Detection of Transgenic cp4 epsps Genes in the Soil Food Web," Agronomy for Sustainable Development 29(4), October/December 2009, 497-501. (EDP Sciences, 875 Massachusetts Ave., 7th Floor, Cambridge, MA 02139.)
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JanforGore
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"The bottom line is that (for the first time after years of commercial cropping of GM plants) there is "evidence for large concentrations of transgenic DNA in animals from the food web associated with RoundUp Ready® corn."
Please explain what is "shoddy" about this. I like how some think they know more than the scientists doing the tests then don't post anything to refute the "shoddiness" except saying it is "likely" to mean this or that. I think this is pretty clear.
- 2 years ago
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JanforGore
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PompanoMinded
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JanforGore:
Dear Jan,
You definitely have good intentions with everything you post but often the topics have to do with the lack of research surrounding GMOs. I'm sure I have not looked into the topic as much as you have, but I did have to come up with a short outline for my Forests for the Future class about why a 1 billion dollar donation should not go into intensifying research of genetically modified organisms. I argued the threat to biodiversity, excessive use of pesticides and fertilizers, expense, the stigma of "playing god"
I could not however find any reasons why we should not intensify research about effects on human health. I've followed your postings for a couple months now and I'm sure you would be down for spending the donation on researching effects of gmos on humans. I also think we need to look into it more.
However I do think that the "lack of research" argument is Shoddy. If there are no negative health effects there could be some serious benefits if we could minimize environmental impact. If there are negative health effects then I would hope production would stop.
"Whether the presence of transgenes in the soil food web presents a risk for soil animals is not known."If there is no risk I personally would not mind any transgenes in my gut... because it would not matter. Until there is any proof of negative health impacts, I cannot fully develop a stance. Maybe pushing completely against GMOs isn't as important as demanding more research so we can understand what we are talking about.
-Rad
(here's my outline, I should of asked your for a little bit of help ;)
IV. The donation should not be spent on improving our understanding and use of genetically modified organisms in forestry for the following reasons;
A. Genetically Modified Organisms pose a serious threat to biodiversity.
1. If the native strains of GMO crops go extinct, the genetic diversity needed to adapt to changing environments will be diminished.
2. Wild plants provide natural reservoirs for the traits needed to maintain the vitality of modern crops and are located primarily in the developing world, where regulation will likely not be as intense.
B. Vast repetitive monocultures results in depletion of organic matter including beneficial bacteria, fungi and nutrients.
1. Lack of nutrients results in overuse of synthetic nitrogenous fertilizers which in turn leads to greenhouse gas emissions and contaminated waterways.
2. Genetic pesticides in the plants, such as Bt, along with the extensive use of pesticides usually accompanying large populations of identical plants could do some serious damage.
a) As pesticides and herbicides are rarely highly specific, countless beneficial organisms on the plant, in the soil and in groundwater can be killed.
C. The technology is expensive.
1. Small farmers who cannot afford this expense may be put out of business by larger farmers who can.
2. The biotech companies that engage in genetic modification of crops are profit driven, and they have little concern for the inherent risks.
D. Genetics is a highly controversial topic.
1. There is a lot of ethical debate on the subject.
2. Many people are switching to organic, sustainable food, people don’t want artificial.
3. A lot of cultures do not accept the idea
a) People in developing countries do not want food donations of genetically engineered crops
4. A substantial part of the population believes genetics is “playing God.” - 2 years ago
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PompanoMinded
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thewhompus
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I'd like to point out to the casual reader that this article ISN'T saying that transgenes have been found to spread into animal DNA. The 'present in all types of animals' likely refers to it being present in their digestive tract. That the concentrations in animals would be higher than in the soil would be natural under such circumstances.
I'm vehemently against GM food crops, but I'm even more against shoddy and misleading writing.
- 2 years ago
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thewhompus
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JanforGore
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Oh yeah.
- 2 years ago
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JanforGore
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animal_love
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Makes you want to grow your own food, doesn't it?
- 2 years ago
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animal_love
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JanforGore
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http://www.celsias.com/article/the-health-dangers-of-genetically-modified-foods/
How far up the food chain has the contamination really gone?
- 2 years ago
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JanforGore
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JanforGore
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This could be the explanation for why we see such prevalence now of acid reflux disease, irritable bowel syndrome, and a host of other digestive problems in people that seem to be on the rise. Unfortunately, we don't know this because the companies putting this crap into our environment and food haven't tested for this and have covered it up by stating that the bacteria breaks down. And even if their tests showed it would harm humans over time, they would be allowed by this government to put it in our food anyway.
- 2 years ago
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JanforGore
