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New research shows bacteria cells can be programmed to identify contaminants and report by releasing a detectable electrical current.

Light flips genetic switch in bacteria inside transparent worms HOUSTON - (Dec. 22, 2020) - Baylor College of Medicine researcher Meng Wang had already shown that bacteria that make a metabolite called colanic acid (CA) could extend the lifespan of worms in her lab by as much as 50%, but her collaboration with Rice University synthetic biologist Jeffrey Tabor is providing tools to answer the bigger question of how the metabolite imparts longer life. In a study published in eLife, Wang, Tabor and colleagues showed they could use different colors of light to turn gut bacteria genes on and off w...