A NOD2-NALP1 complex mediates caspase-1-dependent IL-1beta secretion in response to Bacillus anthracis infection and muramyl dipeptide. - Hsu LC; Ali SR; McGillivray S; Tseng PH; Mariathasan S; Humke EW; Eckmann L; Powell JJ; Nizet V; Dixit VM; Karin M (Proceedings of the National Academy of Sciences of the United States of America, 2008)