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Journal home Advance online publication Current issue Archive Press releases Supplements Focuses Conferences Guide to authors Online submission Permissions For referees Free online issue Contact the journal Subscribe Advertising work@npg naturereprints About this site For librarians   NPG Resources Bioentrepreneur Nature Reviews Drug Discovery Nature Nature Medicine Nature Genetics Nature Reviews Genetics Nature Methods Nature Chemical Biology news@nature.com Clinical Pharmacology & Therapeutics Nature Conferences NPG Subject areas Biotechnology Cancer Chemistry Clinical Medicine Dentistry Development Drug Discovery Earth Sciences Evolution & Ecology Genetics Immunology Materials Science Medical Research Microbiology Molecular Cell Biology Neuroscience Pharmacology Physics Browse all publications News and Views Nature Biotechnology  22, 1526 - 1527 (2004) doi:10.1038/nbt1204-1526 Putting the opium in poppy to sleep Johan Memelink Johan Memelink is at the Institute of Biology, Leiden University, Clusius Laboratory, Wassenaarseweg 64, 2333 AL Leiden, The Netherlands. memelink@rulbim.leidenuniv.nl A genetically modified opium poppy produces a pharmaceutical precursor instead of morphine and codeine. MORE ARTICLES LIKE THIS These links to content published by NPG are automatically generated. RESEARCH RNAi-mediated replacement of morphine with the nonnarcotic alkaloid reticuline in opium poppy Nature Biotechnology Research (01 Dec 2004) Analgesia Morphine-pathway block in top1 poppies Nature Brief Communication (23 Sep 2004)  Top Abstract Previous | Next Table of contents Full text Download PDF Send to a friend Save this link Open Innovation Challenges Optimizing Sub-cellular Localization Tags Deadline: Jan 31 2010 Reward: $20,000 USD The Seeker is looking for methods to optimize sub-cellular localization tags for protein expression.... Novel Approaches to Protecting Maize from Insect Damage Deadline: Jan 31 2010 Reward: $20,000 USD The Seeker is looking for novel approaches to protecting maize from insect damage. This Challenge re... More Challenges Powered by: nature jobs Leadership Fellowships University of Oxford Oxford United Kingdom Environmental / Biotreatability Engineer Praj Matrix - Praj Industries Ltd Pune, Maharashtra Pune-411021 India More science jobs Post a job for free Figures & Tables See also: Research by Allen et al. Export citation Search buyers guide:   ADVERTISEMENT

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