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Engineered Safeguard Keeps GMOs in Check

To prevent GMOs from harming the environment, researchers have reprogrammed E. coli so it can't exist without a synthetic amino acid.

RELATED TAGS: BIOTECHNOLOGY, GENETICS
gmo-in-check
Genetically modified organisms show promise for everything from making vaccines to cleaning up oil spills. But that promise has been clouded by concerns over their potential to escape into the wild and harm ecosystems. Now, scientists have found a way to keep GMOs from going rogue. In January, researchers at Harvard and Yale reported they had reprogrammed the genome of E. coli bacteria so the cells are dependent upon an amino acid that doesn’t exist in nature. After growing 1 trillion bac...
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