From Pathogen to Prescription: Reimagining E. coli

from People, Parasites, and Plagues · host David Peterson and Kim Klonowski

What if your gut bacteria could become medicine?In this episode, a UGA microbiologist, Greg Phillips, reveals how engineered probiotic E. coli can produce L-dopa, the frontline treatment for Parkinson’s, directly inside the gut. We explore the gut–brain connection, the power of the microbiome, and how living microbes could become the next generation of drug delivery systems.From World War I probiotic strains to modern genetic engineering, this episode takes you inside a bold new frontier of microbiome-based medicine.

What this episode covers

What if your gut bacteria could become medicine? In this episode, a UGA microbiologist, Greg Phillips, reveals how engineered probiotic E. coli can produce L-dopa, the frontline treatment for Parkinson’s, directly inside the gut. We explore the gut–brain connection, the power of the microbiome, and how living microbes could become the next generation of drug delivery systems. From World War I probiotic strains to modern genetic engineering, this episode takes you inside a bold new frontier ...

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From Pathogen to Prescription: Reimagining E. coli

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This episode was published on January 9, 2026.

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