View articles by date | ON SCIENCE Home Page | View articles by topic Monsanto Should Renounce the

biotechnology to agriculture, St. Louis' Monsanto, is in the process of acquiring a little-known cotton seed company, Delta & Pine Land, and with it U.S. patent 5,723,765. This patent covers an ingenious "technology protection system" that can be used to ensure that genetically modified plants produce sterile seeds. The commercial importance of this development to Monsanto cannot be overstated. It will keep farmers who grow soy beans, wheat, rice, and cotton coming back for The repressor gene. The third
fresh seeds year after year. Once these transplanted gene makes a repressor farmers grow accustomed to the benefits of genes that fend off assaults from preventing it from producing its insect pests, herbicides, and bad recombinase. Thus when this repressor weather, they will become regular and gene is active, the scissors gene is not, dependable customers, safeguarding and so no toxin can be made. Monsanto's considerable investment in A clever chemical modification of the repressor is the key to the new A storm of protest has arisen over the technology: the repressor protein has possibility that Monsanto might utilize been designed by the gene engineers so this technology protection system, called the "terminator technology" by its chemical, in this instance the antibiotic critics. Monsanto is quick to point out tetracycline. When tetracycline is that they don't even own the patent yet, and say they are gathering information "terminator" seeds, the tetracycline ties from an array of sources. They pledge up the repressor proteins within the not to commercialize the technology seeds, so no repressors are available to the company has responded to any down. When these sprayed seeds are concerns raised. However, Monsanto planted, the scissors within them are free rather pointedly has not renounced its to do their job, and, when they do, the potential use of terminator technology. sterilizing toxin gene is primed to kick in months later when the mature plant makes its own seeds. Any seeds made by long history of being friendly to The terminator technology is one biotechnology, publicly asked that example of a powerful new wave of Monsanto do just that, arguing that the biotechnology research that uses possible consequences to Third World chemicals as switches to turn specific protecting innovation. Subsistence times. Potential uses for such switches farmers are too poor to buy new seed, abound. For example, instead of planting and thus depend on saving and trading GM crops that produce insect-killing with neighbors. "What the terminator gene does is basically kill the process cotton do now), the new technology that lets farmers sow their own seeds," would allow farmers to prevent plants from making the toxin unless a crop is actually threatened with serious insect Wether or not Monsanto heeds damage. This is important, because Conway's advice and renounces lower everyday levels of toxin in a crop terminator seed protection technology is a decision that I suspect will have more far-reaching implications for the future of biotechnology in agriculture than any other decision the beleaguered undoubtedly have a major impact on biotechnology, as it provides the gene engineer with a very powerful tool, one Just how does terminator technology with many potential uses. It would be work? It involves a very clever unfortunate if the first use was to switch interaction between three genes that are public censure. Monsanto should heed Conway's advice, and get on with The toxin gene. The first of these developing other more beneficial
transplanted genes encodes a toxin that applications of this exciting technology. kills seeds in their final stage of development. To shut this sterilizing gene off, gene engineers have inserted a DNA security wall between it and the controlling region that activates the gene's use. The gene cannot generate its toxin as long as the wall is in place. The scissors gene. The second
transplanted gene is a scissors gene that which can cut out the DNA security wall, thus turning on the toxin gene. <--Return to the Txtwriter Inc. Home Page ON SCIENCE articles are the copyright of Txtwriter Inc. All rights reserved.


Peraturan pemerintah republik indonesia

JENIS DAN TARIF ATAS JENIS PENERIMAAN NEGARA BUKAN PAJAK YANG BERLAKU PADA BADAN TENAGA NUKLIR NASIONAL bahwa dengan adanya penyesuaian jenis dan tarif atas jenis Penerimaan Negara Bukan Pajak yang berlaku pada Badan Tenaga Nuklir Nasional sebagaimana telah diatur dalam Peraturan Pemerintah atas Jenis Penerimaan Negara Bukan Pajak yang Berlaku pada Badan Tenaga Nuklir Nasional, perlu mengat

Does Tea Prevent Cancer? An Update on Laboratory and Clinical Studies. Joshua D. Lambert, PhD Department of Food Science The Pennsylvania State University Tea ( Camellia sinensis , Theaceae) is the second most commonly consumed beverage in the world and is consumed as one of three processed types- green, oolong, and black, which differ in terms of their sensory qualities as well a

Copyright © 2010 Medicament Inoculation Pdf