This compilation presents minireviews derived from work presented at the - gean Conference: "First Crossroads between Innate and Adaptive Immunity," which occurred October 9-14, 2005 at the Hilton Conference Center on the - land of Rhodes, Greece. The conference included sessions dedicated to host r- ognition of and response to pathogens, innate immune networks, antigen pres- tation, and adaptive immune responses, each headlined by a leading scientist at the forefront of that field. The intimate networking and interaction of dendritic cells, T cells, B cells, NK cells, NK-T cells, and...