Research by Michigan State University chemist Kevin Walker is paving the way for potentially cleaner, more efficient production of cancer-fighting paclitaxel - better known as the blockbuster drug Taxol. First isolated from the bark of the Pacific yew in 1967, paclitaxel has since been made by synthetically modifying an intermediate substance isolated from yew needles using toxic solvents or by fermenting cell cultures. Walker's method employs natural enzymes instead.
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