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Paying to find non-GE wild corn?
On 21 Jul 2003 11:53:41 GMT, Brian Sandle
wrote: In sci.med.nutrition Gordon Couger wrote: "Brian Sandle" wrote in message ... Not anthropomorphism, ecology of genes. The chief of the University of Canterbury Plant and Microbial Sciences Department runs the New Zealand Gene Ecology organisation. (Jack Heinemann) (do google search in www.canterbury.ac.nz) Because bacteria can exchange genes to their advantage in the protected environment of a human cell it is necessary to take more care with drug resistance genes. We should not be feeding drug resistance genes to people en masse, not checking up with control groups if it is triggering anything. As bacteria make better bacteria we have to make better drugs. However in this case we are doing the opposite. We are giving the bacteria the genes to improve their resistance. You reckon they haven't already tried these somewhere over the past aeons? Afterall where did these "resistance markers" come from? Yes this may be important in the short term, but in the grand scheme of things, it's only a matter of time before these bacteria would have developed resistance to all antibiotics known today. The same is true with insects on the farm. 75 years ago simple natural pesticides work for my father. In the 50's and 60's the first generation of insecticides work very very well. We have had to keep making better insecticides and at the same time more specific ones. But as Jim admitted there is no drug that could cure his father's MRSA (methicillin resistant Staphylococcus aureus). I suspect there was, but his father was unable to take it. It had to be left to nature to take its course with some nursing care (soap and water and bandages). We also learned how to extend their usefulness but he means `by' not `but'. refuges and IPM. When you plant bt corn or cotton you plant it in a checkerboard pattern with non-bt so some of the bugs will develop in non-bt and the development of resistance will be slowed a bit. Still there will be loss of effectiveness of organic bt to the organic farmers who only apply it when necessary, and have it active for a short period. With that use resistance does not develop. With the bt crops teh bt is there all the time and gradually weakens as the crop ages - perfect for development of resistance. It always amazes me how Organic folk can accept a GE "chemical" as OK for their needs. Desperation? Anyways, Bt has been so overused that it only has a limited useful life. New specific pesticides will be developed. If you want to blame some one for antibiotic resistant bacteria the water out of the sewer plant has several orders of magnitude more effect that crops possibly could because they are mixed with the pathogens at the sewer and in the environment and give them a chance to build resistance. Sewage is not being eaten by everyone. But it's where epidemics start. Also it will be worse with incompletely digested naked DNA from GM crops. I don't see why. Why should a gut commensal suddenly become pathogenic at the same time it absorbs a million-to-one chance of a compatible antibiotic resistant gene? Seems very far-fetched to me. Of course there will likely be plenty of other antibiotics to treat this rare event, if that is what is needed. |
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