List of GMO-free Foods & allergies and genetically modified food
12 years ago
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- 12 years agolast modified: 11 years ago
- 12 years agolast modified: 11 years ago
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Is cross-breeding even comparable to genetically modified?
Comments (32)"There is no method of cross breeding that can insert bacteria DNA into a vegetable plant like transgenic corn and cotton has" You've clearly never heard of retroviruses, which do exactly that. "GMO crops then are no longer technically corn or soy or sugar beets but mutants" Mutation is the single most important thing in evolution, and the adaptation of life (which is a two part process - mutation expands the genome, natural selection winnows it down to what is useful). It's not a bad thing. Genetic Engineering is also DRASTICALLY more predictable than traditional crossbreeding. You want to pull the genes from a Geneva roostock that code for fireblight resistance and put it in a different apple? Trivial. You want to cross one of the geneva lines with a Braeburn apple and try to get an apple that tastes right and isn't very susceptible to fireblight? Almost impossible. Predictability also leads to safety. You want to try and get a resistance gene from a wild solanum into a tomato? Easy with gene splicing. Via traditional breeding? You're very likely to end up with something that will kill you if you eat it....See MoreWhy We Need Mandatory GMO Food Labels
Comments (11)The consumer must educate themselves. Obviously there exists widely varying opinions and deep emotions on the subject of GM foods as well as sources of information on the subject. Let there be a broad, bright source of light whose source is rooted in science rather than emotion and opinion shining out across the world. What precious little research on GMOs in food I've seen in refereed journals doesn't make a good case for consuming GMOs but I haven't seen nearly enough to conclude that they are a threat to my diet. Much more work needs to be done for me to make a rational, knowledge based decision. In the meantime, this country needs to get it's feces congregated and institute COOL, Country of Origin Labeling at the very least, if we can't get that done there is no hope for trying to get GM labeling. The thought of eating produce from China is both sickening and a tad frightening considering their environmental laws and regs.....See MoreIf you had a choice to eat GMO foods, would you? Yes/No
Comments (76)The following was stated: "Glyphosate breakdown via heat produces mostly aminomethylphosphonic acid, carbon monoxide/dioxide, amino acids, and water/vapor...similar to microbe breakdown, but a lot faster. ." H.Kuska comment. I am aware of the microbe breakdown products, but I am not aware of any references that state that the thermal breakdown is similar. The melting point of glyphosate is nearly 230 degrees C. That would be nearly 446 degrees F. This is the main thermal paper that I have been able to find so far. Unfortunately it does not identify the glyphosate decomposition products. Howver, it appears to me that very little glyphosate would actually decompose in normal hosehold use. The first observed decomposition product is: "By analyzing the infrared spectrum of the sample which is processed by rising temperature to 260 C at the heating rate of 6 C min-1, the most possible group loss in this stage may be methylene. Moreover, the mass loss in the first stage by TGA is in accordance with the mass loss of a group of methylene in the molecular of glyphosate." Then. "With the temperature increased, the second stage appeared the exothermic peak after a smaller main endothermic peak, and the lost mass had continued, which indicated that this stage might occur burning phase, thus exothermic phenomenon occurred. By analyzing the infrared spectrum of the sample which is processed by rising temperature to 360 C at the heating rate of 6 Cmin-1, the most possible group loss in this stage may be the group of carbonyl. Moreover, the mass loss in the second stage by TGA is in accordance with the mass loss of a carbonyl in the molecular of glyphosate." Now Canola Oil has a smoke point of around 238 degrees C, so I doubt that the glyphosate is breaking down very much in normal Canola Oil use. http://www.culinary-yours.com/frying_oil.html Of course, if you can document your answer, I am willing to look at the reference. Here is a link that might be useful: link to thermal study...See MoreGMO in the food supply (follow-up to previous post)
Comments (102)I posted this in another forum, but since the person who dug up this old thread to talk about "gene 6" in multiple forums... In case anyone wants some information about "gene 6"...better/correctly known as "P6"...as it pertains to current discussion based on a study by the EFSA... This is a very wide range of proteins found in virus encoding from HIV to mosaic virus...these proteins are also found in the smoke of burning meat and tobacco. It's a very wide range. In this case, one of the biggest dangers would be a chance encoding to re-invigorate the "dead" version of cauliflower mosaic virus (or P6 residues) that's very commonly used as a carrier string for DNA/RNA insertion that it's inserted into. This could lead to some allergy problems, too, even if it doesn't fully express the mosaic virus but still overlaps enough to express P6 proteins. P6 is a known allergen, though it's not one that everyone is sensitive to. The expression of this gene is highly unlikely, though...and would be regulated to a single (or very small groups) of plants doing this replication rather than entire seed source or a field suddenly replicating mosaic virus or P6 residues. If it is the case that encoding suddenly made it large-scale available it would show up heavily in the research stage and it wouldn't make it out into the consumer market since it's showing inferior/bad genetic expression. One of the biggest parts of GMO research is tossing out 99%+ of everything you're actually trying to create because positive effects of expression aren't stable enough to sell it as seed...or it's showing "bad" expressions. There's a lot of otherwise harmful viruses (to plants or humans) used to insert GMO traits for start/end points into a genetic change that are made inert (and distinctly different) from their original genetic package, but still contain large parts of what makes up the virus, itself. Viruses can easily carry genetic information and they're ideal vehicles for transferring it. The genetic carriers of the virus are merely vehicles. Once you change the "genetic package" inside a virus it's not even what you started with. The "guts" are changed dramatically. If you put a Dodge Neon engine in a Porsche very few people would still consider it a Porsche. That's the level of dramatic change in sequencing going on inside of these packages. You can take certain virus types, depending on what you're trying to achieve, and precisely insert genetic information with start/termination points into existing DNA/RNA...totally turning it's genetic information into something totally different in both makeup and application. Btw, to those with P6 protein sensitivities...this would be a big deal. I'm not trying to knock the research at all. I'm just saying it's overlapping expression would most likely be contained to a very few plants in a field, not widespread. While genetic start/termination points are very good with insertion and replication once stable, nothing is perfect when you're exchanging genes...we see it even natural breeding. The major problem with this particular chain of insertion is the overlapping of the 2 sequences given as example in the paper and what could happen as a consequence of them being genetically linked so closely together...even if there's a very small chance of it happening as defined. It's also worth mentioning we're talking a single virus carrier, not the 100s of types (or the 20-ish most commonly used) carriers. It would also be greatly influenced by the new information inserted, what was cut out, and where the start/termination points overlap (if there is any replication overlap). There's more than 1 way to insert genetic information into virus and the chances of overlap encoding or reversion is different depending on the type of method used....See More- 12 years agolast modified: 11 years ago
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