Bacteria’s Immune Sensors Reveal a Novel Way to Detect Viruses

“All of the life forms on Earth have the same problem,” said Jonathan Kagan, an immunology researcher at Boston Children’s Hospital. “And that is dealing with infection.” Just as we worry about bacterial infections, bacteria are on the watch for the viruses called phages that infect them, and — like every organism across every kingdom of life — they have evolved an arsenal of molecular tools to…

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