The Glowing Plant project is not the only foray into publicly available genetically modified organisms. Transgenic zebrafish (Danio rerio) that produce a fluorescent protein have been on the market since 2003, although their sale is not permitted in the European Union, Canada, Australia or California. And BioGlow, a commercial venture in St Louis, Missouri, informed the US agriculture department last year of plans to produce light-emitting plants, but the company has made few details public.
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