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28. Benson S, Arax M, Burstein R. A growing concern: as biotech crops come to market, neither scientists—who take industry money—nor federal regulators are adequately protecting consumers and farmers. Mother Jones, 1997; January/February:36–43,66,68,71.
29. Kling J. Could transgenic supercrops one day breed superweeds? Science 1996;274:180–181. Also see: Mikkelsen TR, Anderson B, Jorgensen RB. The risk of crop transgene spread. Nature 1996;380:31.
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35. Technical points: To construct soybeans resistant to Roundup, Monsanto scientists selected variants of Agrobacterium resistant to glyphosate, isolated the gene for the resistant enzyme, and introduced that Agrobacterium gene into soybeans (see appendix). Glyphosate is the common name for N-phosphonomethyl glycine, an amino acid analog that inhibits the enzyme 5-enolpyruvylshikimate-3-phosphate synthase (alternatively called 3-phosphoshikimate 1-carboxyvinyltransferase), which catalyzes synthesis of aromatic amino acids—tryptophan, phenylalanine, and tyrosine—in plant, bacterial, and fungal (but not animal) cells. See: Cobb A. Herbicides and Plant Physiology. London: Chapman & Hall, 1992:6.1–6.3. Rogers SG. Biotechnology and the soybean. Am J Clinical Nutrition