Engineered Bacteria Sense, Remember, And Report On Their Experience In The Gut, Harvard Medical School Study

It's a jungle in there. In the tightly woven ecosystem of the human gut, trillions of bacteria compete with each other on a daily basis while they sense and react to signals from the immune system, ingested food, and other bacteria. Problems arise when bad gut bugs overtake friendly ones, or when the immune system is thrown off balance, as in Crohn's disease, celiac disease, and colorectal cancer. Doctors have struggled to diagnose these conditions early and accurately. But now a new engineered strain of E. coli bacteria could deliver status updates from this complex landscape to help keep gastrointestinal diseases at bay.

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