Two recent studies demonstrate how sequence motifs in bacterial DNA can activate the immune system, causing both beneficial as well as deleterious consequences (pages 849–854).
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Pisetsky, D. Immunostimulatory DNA: A clear and present danger. Nat Med 3, 829–831 (1997). https://doi.org/10.1038/nm0897-829
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DOI: https://doi.org/10.1038/nm0897-829
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