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Originally posted by cryptorsa1001
This is very scary. This is a bad thing for the seed stock and a potential risk for all of mankind if something were to go wrong with oneof their experiments. I believe it is for further control of the worlds population. Once all of the existing seed stock is gone and only there seed is available they can effectly control countries by threatening to not sell them seed for food thus killing many.
Originally posted by CazMedia
Im not quite clear here, aside from the conspriace to drive out small farms, why one would make such a seed...what is the purpose..to make plants that dont have seeds in them? How do you continue to grow that crop next year?
I must be missing something here, but this doesnt sound like a good idea from what i do get of this.
small farmers in canada have been getting sued for years over the odd pattented plant popping up in their crops because the pollin floats over the fence and the "altered" genes mix with the farmers strain....
Originally posted by Urn
woh...wait a minute here!!!
what exactly does this strain do?.....does it cross furtilize with natural ungenetically altered strains and render them sterile??...
cause if not........
isn' this a good thing?
small farmers in canada have been getting sued for years over the odd pattented plant popping up in their crops because the pollin floats over the fence and the "altered" genes mix with the farmers strain....
this way at least the crops arent reproductivly compattable....thats GOT to be a good thing...
and to john nada....ya...i thought the same thing about terminators when i read the title of this thread myself...lol
[edit on 10-2-2005 by Urn]
either end of the blocking DNA are put special DNA pieces that can be recognized by a particular enzyme, such as the enzyme called recombinase. Whenever the recombinase encounters these DNA pieces, the DNA is cut precisely at the outside of each piece, and the cut ends of the DNA fuse together, with the result that the blocking DNA is removed. When this happens, the seed-specific promoter is right next to the toxin coding sequence, and is able to function in making the toxin[...] The Terminator patent solves the dilemma by preventing recombinase from acting until just before the farmers plant their seeds.
They propose putting a recombinase coding sequence next to a promoter that is always active -- in all cells, at all times -- but that is repressed. The promoter can be made active again -- derepressed -- by a chemical treatment. Therefore, the seed sellers can treat the seeds right before planting, thus allowing the recombinase to be made then, but not before.[...] They propose putting a recombinase coding sequence next to a promoter that is always active -- in all cells, at all times -- but that is repressed. The promoter can be made active again -- derepressed -- by a chemical treatment. Therefore, the seed sellers can treat the seeds right before planting, thus allowing the recombinase to be made then, but not before.
Thus, after the recombinase enzyme does its work, the plant grows normally from germination, through growth of stems, leaves, roots, and all the way through flower formation, pollination and most of seed development. Then, on cue, the seeds die.
Will the Terminator spread to other plants?
It is likely that Terminator will kill the seeds of neighboring plants of the same species, under certain conditions.
The scenario might go like this: when farmers plant the Terminator seeds, the seeds already will have been treated with tetracycline, and thus the recombinase will have acted, and the toxin coding sequence will be next to the seed-specific promoter, and will be ready to act when the end of seed development comes around. The seeds will grow into plants, and make pollen. Every pollen grain will carry a ready-to-act toxin gene. If the Terminator crop is next to a field planted in a normal variety, and pollen is taken by insects or the wind to that field, any eggs fertilized by the Terminator pollen will now have one toxin gene. It will be activated late in that seed's development, and the seed will die.
Only when that seed is planted, and doesn't germinate, will the change become apparent.
Terminator has been proposed as a method to prevent just such escapes of GMOs and their genes. However, Terminator is not likely to function well for such purposes[...]
is unlikely that any tetracycline treatment will be 100% effective. For various reasons, some seeds may not respond, or take up enough tetracycline to activate recombinase. In such cases, the plants growing from the unaffected seeds would look just like all the others, but would grow up to make pollen carrying a non-functional toxin gene.
Originally posted by John Nada
Bah! I'm so disappointed! When I read the headline of the story I thought Canada had invested in a bunch of Cyberdyne Systems Model 101 Series T-800 Terminators, ready to kick the arse of anyone who messed with their country. I feel very let down...