In the United States, genetically modified sugar beet

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In the United States, genetically modified sugar beet

Post by jancancook on Fri Nov 11, 2011 8:36 am

In the United States, genetically modified sugar beet, engineered for resistance to glyphosate, a herbicide marketed as Roundup, was developed by Monsanto. Glyphosate controls weeds by interfering with the 5-enolypyruvylshikimate-3-phosphate 5-enolypyruvylshikimate-3-phosphate (EPSP) synthase enzyme, which is involved in the production of amino acids. These amino acids, tryptophan, tyrosine and phenylalanine,[12] are synthesized in plants and bacteria, not humans or animals.[13] Glyphosate-resistant sugar beet contains a biosynthetic gene that protects it from the effects of glyphosate when it is applied to the crop as a means to control weeds. In 2005, the United States Department of Agriculture-Animal and Plant Health Inspection Service (USDA-APHIS) deregulated glyphosate-resistant sugar beet after it conducted an Environmental Assessment and determined glyphosate-resistant sugar beet were highly unlikely to become a plant pest.[14]



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