A toxin called colibactin awakens dormant viruses embedded in bacterial DNA.
against other microbes, Hendrickson says . “It’s easy to forget that there’s this continual conversation and warfare going on between bacteria, and we might not be the focus of their activities.”
Because colibactin decays quickly, “it suggests this is a very short-range communication,” says Michael Dougherty, a microbiome researcher at the University of Florida in Gainesville who was not involved in the study. “Maybe it could have an effect when bacteria are forming biofilms where you have trillions of bacteria stacked on top of each other.”
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