Designer Microbes Might Be Coming To A Gut Near You

The bacteria living inside your body outnumber your own cells 10 to 1. With such an abundant population of microbial guests in our bodies, why not start ordering them to do some housework? Biologists from MIT have successfully taken bacteria found in the human gut and genetically modified them to have useful properties, such as monitoring intestinal health and alerting us when there's something wrong.

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