GMOs Perfected Down to the Chromosome Level 469
Roland Piquepaille writes "If don't like the concept of 'Frankenfoods,' I have bad news for you. U.S. researchers have developed an artificial chromosome for corn plants. The Chicago Tribune reports that researchers can now make chromosomes to order. These artificial chromosomes are accepted as natural by the plants and passed through generations. As the Monsanto Company bought rights to use this mini-chromosome stacking technology in corn, cotton, soybeans, and canola, I guess we'll soon eat food made from permanently genetically modified organisms (PGMOs?)."
Testing (Score:4, Insightful)
More Bothersome - economics of it (Score:5, Insightful)
It's not like mistakes ever happen with this stuff either. Look at Australia with it's toad and rabbit control problems, when a species is introduced out of its normal environment. What if the GM crop wildely displaces the natural crops by "accident". The company can give the growth chemical for free at first or for a nominal fee - but later on...
This should be boycotted at all costs - Food should always have the option to be grown for free, in your backyard. Yes I think I sound a little survivalist, but this can be a slippery slope, and it's easy to fall downit.
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Re:More Bothersome - economics of it (Score:4, Insightful)
They are supposed to have dominant genes.
This story is old, by the way.
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Few plants actually self pollinate. The mechanism is seen most often in some legumes such as peanuts. In another legume, Soybeans, the flowers open and remain receptive to insect cross pollination during the day; if this is not accomplished, the flowers self pollinate as they are closing.
- http://en.wikipedia.org/wiki/Self-pollination [wikipedia.org]
Cross pollination can't be stopped, cross pollination with GM foods cannot be stopped. GM foods disrupt the environment in ways that we don't really understand. Not to mention the fact that cross pollination estimates are considered grossly underestimated at best.*
*http://www.i-sis.org.uk/GMcontamination.php [i-sis.org.uk]
I think it's an intriguing technology and it certainly has potential, but these companies have no clue what kind of a mess they're making. All they un
Re:More Bothersome - economics of it (Score:4, Informative)
Actually, this would be a good thing. Then people wouldn't get in trouble for accidentally growing Monsanto's crops (pollen blew in on the wind and mingled with some unsuspecting farmer's seed crop), and it wouldn't take over from other varieties in the wild. Thus, you could still grow heritage wheat (or whatever) in your backyard.
Ah but that has already happened. A farmer in Alberta, Canada, Percy Schmeiser [percyschmeiser.com], was found to have Monsanto's Roundup Ready corn in his field. Corn he did not plant, but it had crossbred with corn he grew. Like farmers throughout the world since the dawn of agriculture, he saved seeds from one year's crop to plant the following year. Even though he didn't steal anything from Monsanto when Monsanto sued [foodwatch.de] him he lost his crop. In another case an organic farmer, which bans GE, in Canada lost a shipment when inspectors in Europe, Germany I think, found alien DNA in his corn.
FalconRe:saving seeds (Score:5, Informative)
The case is nowhere near as straightforward as most people seem to believe. If you research the details, he bought massive quantities of Round-Up, which was basically the first smoking gun in Monsanto's case[1].
The quantity of Round-Up be bought exceeded the amount that could be applied to his non-crop acreage, ruling out the possibility that it was purchased solely for border weed control etc. This was a very strong indication that he not only knew he was growing RR Canola, but that he was actively selecting for it by spraying his fields.
The other smoking gun was the fact that his crop was 95-98% RR canola[2]. That level of 'contamination' indicates very aggressive, active selection for the target genotype. You do not get that from the trace contamination due to windblown seed or accidental cross-pollination.
I don't doubt that the first few plants were accidental, either through unintentional cross-pollination or stray seed, but once he found that they were round-up resistant, he actively worked to integrate the rr the genotype into his own populations. He probably just didn't feel like he was doing anything wrong.
Small-time seed producers have done exactly the same sort thing with non-GMO germplasm from, e.g., Pioneer Hi-Bred for decades. They'd buy and plant a bag of hybrid seed, and look through the field for accidental selfs (plants produced by accidental self-pollination due to incomplete detasseling during hybrid production) to steal their inbreds from their female heterotic lines. That is just as illegal as what Schmeiser did, but you don't really hear about those guys being busted and completely ruined because Pioneer isn't run by the same type of raging pricks as the guys at Monsanto.
[1] http://www.cooperativeresearch.org/context.jsp?item=gm-54 [cooperativeresearch.org] - "Monsanto argues that in spite of Schmeiser's claims that he did not use Roundup on his crops in 1998, there is no evidence that he used Muster and Assure herbicides as claimed. Furthermore, Monsanto provides evidence that Schmeiser purchased 720 liters of Roundup in 1998."
[2] http://scc.lexum.umontreal.ca/en/2004/2004scc34/2004scc34.html [umontreal.ca] - Schmeiser never purchased Roundup Ready Canola nor did he obtain a licence to plant it. Yet, in 1998, tests revealed that 95 to 98 percent of his 1,000 acres of canola crop was made up of Roundup Ready plants. ... The trial judge found that "none of the suggested sources [proposed by Schmeiser] could reasonably explain the concentration or extent of Roundup Ready canola of a commercial quality" ultimately present in Schmeiser's crop."
Re:More Bothersome - economics of it (Score:5, Interesting)
Pretty similar things are happening already. See this for a sample:
http://www.monsanto.com/monsanto/ag_products/crop_protection/roundup_rewards.asp [monsanto.com]
'Roundup Ready' plants are GMOs modified to confer resistance to a herbicide sold (of course) by the same company. And yes, there's an annual license and an anonymous hotline to report violators (PDF):
http://www.monsanto.com/monsanto/ag_products/pdf/stewardship/stewardship.pdf [monsanto.com]
Re:More Bothersome - economics of it (Score:4, Funny)
Re:Testing (Score:4, Interesting)
And *THEN* even so, any food products containing GMO or GMO-derived ingredients have to state it on the packaging - so those who wise to can decide just not to buy products containing GMOs.
Re:Testing (Score:4, Insightful)
AFAIK, and some googling seems to confirm, much lobbying is done to avoid such labeling even here in EU.
Which raises the question: what do they have to fear if GMO are safe?
They basically say "It's because you consumer are too stupid and bound to tradition to appreciate our offering".
I say "No matter what, I'm the friggin paying consumer and you are trying to deceive me. Besides, GMO is proprietary, so why should I support patenting what I eat after having - indirectly - to deal with patented software? no way".
The real problem (Score:4, Insightful)
Piracy will include growing unauthorized crops. This is not good for anyone except for companies like Monsanto.
Re:The real problem (Score:4, Insightful)
The real problem=Monopoly (Score:3, Insightful)
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One argument for GMOs is that they are very heavily tested
DO you have evidence GMOs are heavily tested? How can they be thoroughly tested when they relatively new and it could take generations to test? Are they also test in combinations, tested X, Y, and Z altogether? One thing may seem to be safe and so may another but put them together and they can be deadly.
it also allows farmers to use less weed/pest killers
This is entirely wrong. While some GMOs may cut down on the need for chemical inputs
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Re:Testing (Score:4, Informative)
I also want to see how long it takes the chromosomes to hop to different plants. They should sue God if that happens.
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Triploid crops: banana, apple, ginger, citrus [3]
Tetraploid crops: duru
Re:Testing (Score:4, Insightful)
So I feel pretty safe with modern genetic engineering. At least we now know what we are doing and we test it well.
We now know what we are doing? We test it well?? If I had points I'd mod you up as funny. If you are really that naive read up on dangerous food additives and how many of them were rejected for human consumption at first, then how through corporate lobbying, donations, and political gifts, these additives suddenly and miraculously became "perfectly safe" and thus were approved for addition in all of our foods.
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Breeding is just a slow, imprecise way to manipulate genomes on a genetic level.
fear of GE technology (Score:3, Insightful)
Objections to it are pure technophobia and should be dismissed out of hand.
This is pure BULLSHIT! A lot of technology can be contained in a lab, but GE companies like Monsanto are using the entire planet as their lab. Once a deadly gene enters the environment there's no way to contain it. Like of like viri and worms, once released onto the net it can become exceedingly difficult to contain them.
FalconPermanently genetically modified organisms (Score:5, Insightful)
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Yup. Corn itself is a hybrid mutant. (Score:2, Redundant)
One without foreign genes or chromosomes inserted.
FalconRe: (Score:2)
Define "foreign".
Not native, in this case not naturally occuring in corn.
Then study biology.
Though not a biologist I have studied biology. Actually I almost went into biology. In high school some friends of mine and I scuba dived and we were talking to one of the biology teachers who also dived. We asked her about the school offering a class in Marine Biology [wikipedia.org] so she brought it up with the school administration. They told her that if enough students signed a petition to pledge to take the class
Re:Permanently genetically modified organisms (Score:5, Interesting)
don't get me wrong I'm not a luddite as far as GM is concerned - I want to see cool new organisms for us to use - I just think we should be really really carefull and require enormous amounts of testing - maybe generations (in human time) of testing
Re:Permanently genetically modified organisms (Score:4, Informative)
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Evolution isn't perfect, but it deals. It couldn't prevent the dinosaurs extinction after all (impact, gamma ray burst, super volcano etc), but life persisted regardless.
But you are right, r
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It means that farmers get better yields
Do you have any evidence or proof this is true? Here's an article about one study that shows organics, which bans GE and GMOs, produces as much if not more than conventional farming: "Organic farming yields as good or better: study" [reuters.com].
Lower prices mean fewer people starving, and more savings. It's a good thing.
Wrong. There are 3 major causes of hunger and starvation in the world: conflicts, fighting, and wars; politics; and the massive subsidies the First World
ONE SENTENCE (Score:2)
Re:Permanently genetically modified organisms (Score:4, Insightful)
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But these aren't really hybrids now are they.
Actually... yeah. They are.
To use your analogy, as it is, corn is a combination of Corvette parts, and other parts from closely related GM (no pun intended) cars.
Even more than that, because of horizontal gene transfer [wikipedia.org], there's even the odd Toyota part mixed in as well.
The only difference is that now we can easily pick and choose parts from any car (or off the shelf) to mix in at will to get the best performance possible.
We're not *quite* to the stage where we can just make parts in our own machin
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And this is compounded by the fact that unlike other genetic experiments (using mice - animals - cells) p
One big difference (Score:3, Informative)
Hence you can buy a patented rose bush, breed it with another patented rose bush, and be the exclusive patent holder of the offspring (or decide to let the offspring be patent free). This is a big check on the power of plant patents
This changes with GMOs.
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You mean like the hybrids we've been creating since the agricultural revolution?
There's a hell of a big difference between cross breeding and inserting a gene, or in this case a chromosome, that was never there to begin with. Cross breeding occurs naturally, among related species, whereas nature does not insert fish genes into tomatoes, or Brazil Nut genes into soy.
FalconRe: (Score:2)
There are also traces of an animal myoglobin/hemoglobin-related protein in some plant species. The sequences are so alike that the most logical explanation is that it's been transferred long after the original
Monsanto (Score:3, Insightful)
Re:Monsanto (Score:5, Insightful)
This company is one that the world would far better off without.
Re:Monsanto (Score:5, Funny)
If any college students get the urge to go shoot the hell out of some people and put a gun in their mouth, they should go visit Monsanto and do us all a solid on their way out.
Re:Monsanto (Score:4, Informative)
Anyways, to cut a story short, one of the execs at Monsanto back then was Rumsfeld... as in Don Rumsfeld.
As it turns out, the kid was sold out by his friends, and "choked himself to death in the sheriff's jail with a plastic bag" which he miraculously held shut over his throat until after he was dead... after which he let go (some rigormortis, eh?)
Most believe he was murdered so he wouldn't inspire others to try the same trick... I don't hold any beliefs on this issue but find it very telling what taking "effective" action against Monsanto will guarantee you... a black plastic bag over your head
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Natalie Portman carrot? (Score:2, Funny)
Thanks
signed,
Slashdot Anonymous Coward
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Just imagine (Score:4, Insightful)
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a gene of known characteristics introduced to a plant that has to be tested by the FDA, EPA, and USDA before it gets to market
The only federal agency that has to approve of GE or GMO plants is the USDA. FDA approval isn't needed, neither or EPA approval. If you have evidence or proof I'm wrong please share it.
FalconRe: (Score:2)
I guess if the government agencies want to wait for that sort of a track record on intentionally modified GMOs, I'd be pretty comfortable with it too.
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I try to work around this by using "heirloom" seeds in the garden, rather than modern hybrids.
heirlooms (Score:2)
I try to work around this by using "heirloom" seeds in the garden, rather than modern hybrids.
Unfortunately older heirlooms aren't so easy to find. They can be found at places like Seed Savers Exchange [seedsavers.org] along with other exchanges. However I don't think many people know of these. I used to be a member of a group that exchanged seeds or plants, but I left years ago.
FalconRe: (Score:2)
Life goes on as normal, and people still fear monger.
Re:Just imagine (Score:4, Insightful)
Just imagine this: Five years from release of a few of these new plant lines. Turns out that the tomato doesn't cause cancer.
Just imagine people who are allergic to Brazil nuts [whyfiles.org], which can cause Anaphylactic shock [wikipedia.org] and thus kill the person. Then imagine a gene from the Brazil nut being inserted into soy [allergies-...relief.org] and having those allergic to Brazil nut having the same reaction to the new soy. Don't think it won't happen? It already has.
FalconRe: (Score:3, Informative)
Scientists were aware of the possibility of this transfer, and conducted laboratory testing on the soybean before its release. During the laboratory testing procedure, the allergenic Brazil nut protein w
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Why not just let the free market or natural selection take its course?
Either we'll end up encouraging non-tomato markets or we'll stimulate evolution for genetically engineered humans immune to genetically engineered tomatoes... eventually.
The future in this... (Score:2)
Even if we won't create complex organisms on the human scale anytime soon, or even mice, the ram
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Yeah, well
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If you're talking "future", we're eventually going to see much of this work in the public domain.
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There's a long track record of retroactive copyright extensions -- it's not a recent trend, and there are obvious reasons why -- for one, the folks with the economic incentive to fight such trends are historically disorganized and underfunded. On the other hand, the industry making generic medications (based on products for which the patents have expired) is huge, and powerful groups like the AARP will back up their ability to continue doing so. Who wants to be the politician that stops peo
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GMO idea (Score:5, Funny)
You could take the genes from geckos/skinks that makes their tails fall off when they are frightened and put it into grass.
Then you could have a lawn that you could mow by going outside and shouting Bang!.
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A step in the right direction (Score:5, Informative)
The main difference between this technology and currect methods on inserting genes is that more than one gene can be added as easily as a single gene, whereas in the previous system "stacking" multiple genes required much more effort than a single gene, since each had to be inserted individually and then combined using conventional breeding.
I for one think this technology is a step in the right direction, as it will make it easier to create artificial species barriers, which require two-five genes to be inserted, but would prevent GM crops from crossbreeding with traditional varieties in the field. THIS IS NOT TERMINATOR TECHNOLOGY! The plants would still be fertile, just only with others carried the added chromosome.
But couldn't they have found someone besides Monsanto to implement it?
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would prevent GM crops from crossbreeding with traditional varieties in the field
How does this technique prevent crossbreeding?
FalconHuman testing (Score:3, Informative)
Monoculture (Score:2)
I have nothing against GMO per se. It is a new, untested approach to hybrid plants and we won't know how well it does for some times, but in 20 years we'll have the proper methodology to do so safely. For that reason, I will cheer for every new discovery in that field as I feel it is a step toward 20-years-down-the-line.
But the current GMO are about as safe as unpatched Windows on the internet. The only reason why it has worked fine is that natural evolution is akin to monkeys and typewriters: random, dumb
whats the motivation for consumers? (Score:2)
it seems to be a very dodgy experiment in fucking around with the basic genetic structure of one of our most vital foods just to make a certain dodgy company richer.
so, speaking as a consumer, I'm not impressed.
Re:whats the motivation for consumers? (Score:4, Insightful)
The problems they're attempting to solve are:
1) Plants that are resistant to pesticides.
2) Plants that are more resistant to insects.
3) Plants that are more resistant to fungus.
4) Plants that are more resistant to droughts.
5) Plants that have additional nutrients in them.
6) Plants that have higher yield.
Assuming no possibility for cross breeding (which they test the hell out of, just so that their modifications don't get out into the wild), I see no issue with these goals.
Nephilium
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"Natural" grain per hectare using "traditional" farming : 130 to 250 tonnes
"Natural" grain per hectare using modern farming (read : insecticides, machines, automation,
GMO grain per hectare using modern farming : 2500 tonnes
So unless you want to cut the food supply in half. GMO grain is where it's at.
Maybe the worry over GMOs is misdirected (Score:5, Interesting)
I'm not sure how a PGMO differs from today's GMOs which, I believe, can pass genetic modifications to offspring (they are present in the germline). The article summary contains a bias that GMOs are somehow inherently bad. Look, lots of things in our food contains risky things, and people seem to want blame GMOs for many ills. At some level of intake everything is risky. There are tons of studies outlining why some foods are bad for you. Alcohol is bad for you. Marijuana is bad for you. BBQ is bad for you (polyaromatic hydrocarbons, other bad things in charred foods). French fries apparently contain acrylimide. Saturated fats are associated with obesity, the development of heart disease. Sugar is associated with the progression of diabetes. Salt is associated with high blood pressure, heart disease. Acidic foods (ie diet coke) are bad for your digestive system. You get the point.
How many of these do you overindulge in occasionally? Similarly, assuming all GMOs are bad for health reasons is short sighted (although they may be bad for political reasons -- that is another matter). Many foods we eat are engineered in some way, usually with a sledge hammer by classical means, no one seems to complain about that. We already use pesticides on crops, perhaps resistant GMOs might reduce pesticide use? Perhaps GMOs might have better nutritional components than their non engineered counterparts? Perhaps GMOs can be developed that make some of the risky foods in the previous paragraph less risky? GMOs should be evaluated like everything else, carefully. While I understand their fears, I wish the GMO protest community would spend a little less time worrying about GMOs and more time worrying about very real food risks (see above), heavy metals in imported goods (including foods) and the things around us that are really worth our concern.
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You need to ask the right question: To what degree are corn
I prefer to be able to pick my own poison.
If there's any shortsightedness with respect to GMOs, I'd say it's on the side of those who hold economic interests above others which, regrettably, includes our legislators.
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There are some unique aspects: many GMO proponents don't want to label their foods so that a consumer can choose non-GMO foods, and nearby non-GMO plants can pick up the genetically modified organisms. Normal foods with lot
Engineered Corn Cleared in 17 Food Reactions (Score:5, Interesting)
"Everything else I ate in the 72 hours before I got so sick, I've eaten again with no problem," she said. "Frankly, I don't trust the tests."
http://www.mindfully.org/GE/GE2/StarLink-Cleared-AllergiesCDC.htm [mindfully.org]
Anyone remember this? Some people don't have the necessary enzyme to properly metabolize the Cry9c protein in genetically engineered corn.
Also, "In September 2006, PUBPAT filed formal requests with the United States Patent and Trademark Office to revoke four patents owned by Monsanto Company that the agricultural giant is using to harass, intimidate, sue - and in many cases bankrupt - American farmers."
http://www.pubpat.org/monsantovfarmers.htm [pubpat.org]
X Factor - Dangerous (Score:3, Insightful)
Consider that mankind really hasn't been around that long: Especially in comparison to plant-life.
Consider that mankind is 100% dependent on plant-life to survive.
Altering the genetic structure of our food may seem like a great idea in the short term for many positive reasons, including the elimination of famine.
The problem is we simply do not have the foresight to know what will happen thousands of generations after the epoch of our genetic manipulations: Not only to the plants, but to those who consume them.
Genetic diversity is good, it is necessary for survival. What happens to that diversity when a super-plant is created that dominates all the species around it? Including those that consume it? Will the only thing we can eat a thousand years from now be corn?
Most of the miracles of medicine have been gifts from nature and much of what has been discovered was right in front of us the whole time. Gee that's weird...I ate that piece of moldy bread because I was starving and now I feel better! I thought that mold was going to make me sick.
What if I wasn't starving? What if I had an abundance of bread, because that bread was genetically engineered to resist blight. Since there is no blight, I'm not hungry enough to eat moldy bread, but there isn't even any mold on the bread because mold can't grow on the genectically resistant grain it was made from.
So the whole population becomes fat and happy until a super-bug comes along and knocks out 99% and I die because I didn't eat my moldy bread.I for one would at least like to have a choice, but presently there are no incentives or laws (that I know of) motivating companies to inform you, that they have completely screwed you over, by screwing up the genetic code of what you are eating, just so they can add a few percentage points to their profits, so that the stock price will go up, so that Daddy CEO can retire next year; and that they really don't know what will happen ten years from now, but your generation seems like the perfect guinna pig.
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I may be going out on a limb here, but if you're speaking in terms of "thousands of generations", then I'm going to guess that the vast majority of "those who consume them" will be deader than the proverbial doornail.
Of course, that's the same thing I'd expect from someone who consumed non-gentically altered
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But I LIKE The Concept of Frankenfoods! (Score:3, Funny)
Before people start screaming (Score:3, Interesting)
High fructose corn syrup (Score:2)
I don't have a problem with the actual GM foods, it's the environmental impact they have on the ecosystem I have issues with.
The real danger is... (Score:3, Insightful)
Researchers have been doing this stuff 10+ yrs. (Score:3, Interesting)
Genetically Engineered DNA sequences in many cases can be treated just like programming code.
I remember a true story from one of my Genetics Professors, Dr. Ron Van Den Bussche ( http://cas.okstate.edu/index.php?option=content&task=view&id=27&Itemid=71 [okstate.edu] )
He told our class about a genetically altered cotton strain of which he was integral in its development.
Apparently, a giant agri-industrial competitor to the giant agri-industrial company who funded the strain of cotton Dr. VDB developed,
surreptitiously obtained a reproduceable/cloneable live specimen and subsequently cloned it and used it in gross quantities for their own unlicensed use.
(I think the new strain could tolerate saltier soils and drier conditions and it grew a larger puffier bowl of cotton, oh yes, and it was Patented/Copyrighted also.)
-->Here's the really funny part, Dr. VDB and his team were expert witnesses in the intellectual property infringement lawsuit/trail against the competitor who allegedly stole the strain. (sorry, can't remember what state)
The defendants had claimed they developed the new genetic strain of cotton themselves.
This was proven blatantly false by the prosecution when Dr. VDB revealed he had spliced unique identification DNA sequences into their genetically-engineered cotton strains from a VERY Very Rare Bat species.
(which happened to be an endangered species that ONLY inhabits a single remote cave system in Texas).
Sure enough, forensic DNA testing was completed on the allegedly stolen cotton strain and it was, in fact, found to be stolen.
-Many, many, Million$ of dollars were paid by the defendant to the plaintiff.
Summation = Neophobic Babble (Score:3, Interesting)
next, i think people who talk about 'Frankenfoods' are poorly informed about what contemporary GM is and isn't.
For most GM modifications you take a gene that you know serves a certain purpose from one organism (plant for example) and transplant it into another.
There is nothing new, it is the same thing you could archive with normal breeding but it would take centuries and would only work with closely related species.
You see, 1+1 = 2, 1+1 != flesh eating monster
Of course this is in stark contrast to the practice of 'accelerated breeding by random mutations through irradiation' that nobody ever complained about and where most results are far less then desirable and you really have no clue on what else might have changed.
Also, any current GM Crops inherit their traits and are therefore just as 'permanent' as any created using engineered chromosomes.
Oh, and 'permanent' is of course also incorrect, crossbreeding with non-modified crops will of course weaken (and over time could eliminate) the traits and this is the same for the old and this new approach.
Of course Monstante did develop a way to prevent genetic traits to be inherited, but they ineptly name it 'terminator gene' and the whole world screamed in horror until the released it into the public domain and promised to never ever use it.
And now people complain about GM's being too 'permanent'!
In any case, the chromosomes are simply a neat way to package desired genes and it makes the 'injection' much more reliably.
And no worries, GM Plants created using such chromosomes still won't turn into monsters that eat people, really!
Other Important Points in the Article (Score:2)
Also according to the article, Monsanto has a nonexclusive license. They can not lock out the rest of the world from making use of this technique. It was probably very tempting for Chromatin to sell out, but it sounds like they have some ideals.
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If they are selling GMO seeds it's actually a good safeguard that they are "terminator seeds". If it's just a sceme to make farmers buy more seeds every year, then let the farmers do the math and decide if it's worth the extra annual cost. As long as Monsanto isn't shutting out competition it the seed supply business, let'em sell what ever DRMed seeds they want.
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Wow... that's almost like hybrid seeds that have been on the market for decades.
You know... it's not like they hide the fact that the crops are sterile...
Nephilium
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Not really true. Even though an integration might be close to random (it really isn't), we can choose the offspring with specific locations of genes pretty easily.
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The problem with that is - how do you control the dose? There is such a thing as "too much of a good thing can kill you". Of course eventually I guess we'll find ways to use feedback inhibition, simulating actual physiological systems. But just turning a bunch of viruses loose in someone's body, having them infect cells and start producing insul