@article {12406, title = {Peptidoglycan Recognition Protein-SD provides versatility of receptor formation in Drosophila immunity}, journal = {Proc. Natl. Acad. Sci. USA}, volume = {105}, year = {2008}, pages = {11881-11886}, author = {L. Wang and R. J. C. Gilbert and M. L. Atilano and S. R. Filipe and N. J. Gay and P. Ligoxygakis} }