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Tiny protein tail helps one immune gene fight two very different viruses
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Our genomes contain hundreds of genes with antiviral jobs that are called into action when a virus succeeds in infecting one of our cells. By acting cooperatively, these genes provide defense against a wide range of viruses, comprising what scientists refer to as the innate immune system. However, viruses evolve more rapidly than we do, and many viruses have acquired their own genes—sometimes brazenly stolen from their animal hosts!—that counteract innate immunity. But does this mean that viruse
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