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Gene breakthrough sparks 'home-brewed morphine' fears

Other experts agreed, saying anyone with basic skills could use such a yeast to churn out morphine, codeine and drugs using a simple home-brew beer kit. The discovery, published in the scientific journal Nature Chemical Biology, comes on the heels of a study published last month in the journal PLOS ONE. Together, the papers describe key steps towards bio-engineering yeast that would feed on sugar and exude opiates and other