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Paying to find non-GE wild corn?
Moosh:] wrote:
On 21 Jul 2003 11:39:12 GMT, Brian Sandle wrote: "Some disease causing bacteria, like Salmonella typhimurium, invade human cells when they infect people. News to me, but there you go. What sort of cells are invaded? Leucocytes? Epithelial cells. It looks like the whole article is free to read: Linkname: J. Bact -- Ferguson et al. 184 (8): 2235 URL: http://jb.asm.org/cgi/content/full/1...&pmid=11914355 size: 947 lines JB International Journal of Systematic and Evolutionary Microbiology Gene Transfer between Salmonella enterica Serovar Typhimurium inside Epithelial Cells Gayle C. Ferguson,1 Jack A. Heinemann,1^,2^* and Martin A. Kennedy3 Department of Plant and Microbial Sciences, University of Canterbury,1 Department of Pathology, Christchurch School of Medicine, Christchurch, New Zealand,3 Norwegian Institute of Gene Ecology, Tromsų, Norway2 Received 5 November 2001/ Accepted 16 January 2002 There the bacteria coul dbe protected from antibiotics while exhanging the genes for antibiotic resistance and the genes that make bacteria better at causing disease. Laboratory tests proved that genes do transfer between these bacteria even when antibiotics are present. The ability of bacteria to exchange genes insdie human cells also suggests the bacteria could transfer genes to the human genome. However, Heinemann says, `This is not necessarily going to cause the transfer of bacterial genes to our sex cells and to our children, because these bacteria do not normally have access to our sex cells'" - Deborah Parker, UC Alumni, Winter 2003, p 19. Though who knows, when, as I posted in the `apocalypse' thread, GM can be used to make, in corn, antibodies which will destroy human sperm. And this would be injected into what site on the body? I don't know if they have to be injected. What is the route of the anti-sperm antibodies that vasectomised men may start to produce? Why would you want to manufacture anti-sperm antibodies? Contraception? If it could be put in food it might be a political tool. These are only just proteins, BTW it is necessary to take more care with drug resistance genes. Is not sufficient care already being taken? No. Things are done with the knowledge of the decade. What more can you ask? When you are working with the bases of life take some heed from people who sacrifice their jobs when they have not been listened to. We should not be feeding drug resistance genes to people en masse, not checking up with control groups if it is triggering anything. What evidence have you that this has not been thoroughly investigated? It has been examined with the old ideas. That genes are transferred from parent to offspring (vertical movement) was the basis. That is now outmoded. Genes go horizontally from one bacteria to another, and that is the more dominant method of passing on resistance. It can happen in human cells where bacteria are protected from antibiotics. But how is this well-known phenomenon related to GE? In GE genes are moved horizontally artificially. They are engineered in a package which makes it easier to move in. They will then be more potently available to bacteria. Heinemann's work was `recognised by the American Society for Microbiology as teh best published in April 2002. The society publishes 600 of the many thousands of articles submitted to its journals each month, and of the 600 published last year, the Canterbury research was singled out as "best of the best."' Fine. Bacteria swap genes. As they can multiply "vertically" from one to 4,722,366,400,000,000,000,000 in just one day, I think this is probably not all that fantastic Fritjof Capra already in 1996 reports about Kauffman (1993): `sytems biologists have begun to portray teh genome as a self-organizing network capable of spontaneously producing new forms of order. "We must rethink evolutionary biology," writes Stuart Kauffman. "Much of the order we see in organisms may be the direct result not of natural selection but of the natural order selection was allowed to act on... Evolution is not just a tinkering ... It is an emergent order honored and honed by selection."' |
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