GENETIC ENGINEERING
FEW PLANTS have caused as much illness and misery as tobacco. But now researchers at St. George's, University of London - a specialist medical college - have genetically engineered the evil weed to fight a serious health problem: the environmental pollutant microcystin-LR (MR-LR), informally known as toxic pond scum. MC-LR poses a major health hazard to humans and wildlife. But a team led by Pascal Drake, a plant bi otee h no log ist at St. …
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