Beyond Biotechnology: The Barren Promise of Genetic - download pdf or read online

By Steve Talbott, Craig Holdrege

ISBN-10: 0813124840

ISBN-13: 9780813124841

The Human Genome undertaking introduced in 2003 that it had effectively mapped the content material of the human DNA Scientists, politicians, theologians, and pundits speculated approximately what could keep on with. "Beyond Biotechnology: The Barren Promise of Genetic Engineering" distinguishes among hype and fact, reading the fragile courting among technology and nature. Authors Craig Holdrege and Steve Talbott evaluation the present nation of genetic technology and consider its capability functions, in addition to attainable hazards. The authors illustrate how the preferred view of genetics doesn't contain an figuring out of the way genes interact inside of organisms, contending that those simplistic perspectives result in unrealistic expectancies and, finally, sadness. Written for lay readers, "Beyond Biotechnology" is an available advent to the advanced global of genetic engineering.

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Additional info for Beyond Biotechnology: The Barren Promise of Genetic Engineering (Culture of the Land)

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1994). Unexpectedly, however, leaves of the transgenic plants produced greater amounts of one group of carotenes and smaller amounts of another group, while the overall carotene production remained about normal. In some unknown way the genetic manipulation affected the balance of carotene metabolism, but the plant as a whole asserted its integrity by keeping the overall production of carotene constant. Such unexpected effects are typical, expressing the active, adaptive nature of organisms. An organism is not a passive container we can fill up with biotech contrivances.

The knowledge of its cultivation was held by “outsiders” and no longer by the indigenous culture itself. The “unscientific” approach of the Marka people was no longer needed. Land allocation changed to fit the agroeconomic model. In Senegal this kind of “development” led to the degradation of 25,000 hectares of rice farmland due to poorly constructed irrigation systems. As Jordan summarizes, “the transition to a market economy ignores the nature of Sahelian climate and soils and deprives traditional Marka groups of their ability to respond flexibly in times of environmental stress” (527).

A whole “DNA construct” made up of DNA from different sources is shot into the plant. In the case of Monsanto’s “Roundup Ready” soybeans, which are genetically modified to become resistant to the herbicide glyphosate, the gene construct consists at least of: • DNA originally from the bacterium Agrobacterium sp. (strain CP4) now synthetically produced, for herbicide resistance • DNA from the cauliflower mosaic virus that regulates the expression of the herbicide resistance gene • DNA from the petunia to move the gene product to the chloroplasts (so that the herbicide resistance gene will be adequately expressed in the leaves, which are the main target of the herbicide) • DNA from the bacterium Agrobacterium tumefaciens to regulate the production of the enzyme needed for herbicide resistance • DNA from the intestinal bacterium Escherichia coli.

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Beyond Biotechnology: The Barren Promise of Genetic Engineering (Culture of the Land) by Steve Talbott, Craig Holdrege

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