David E. Levy is in the Departments of Pathology and Microbiology and Isabelle J. Marié is in the Department of Pathology, New York University School of Medicine, New York, New York 10016, USA. del243@med.nyu.edu
How do cells fend off intracellular viruses that slip in below extracellular defensive 'radar screens'? The identification of a cytoplasmic RNA helicase that signals through CARD interactions links viral detection to the interferon- induction pathway.
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induction pathway.
