15 January 2010
Vol 327, Issue 5963

About The Cover

Cover image expansion

COVER Dendritic cells of the immune system recognize and bind bacteria and other microbes by means of receptors expressed on the dendritic cell membrane and within the cell, thus triggering an immune response. Microbial sensing is associated with the innate arm of the immune system, and recent developments in this area are described in the special section starting on page 283. Image: Chris Bickel