Contents

20 September 2011
Vol 4, Issue 191

About The Cover

Cover image expansion

Online Cover This week features a Research Resource that describes the phosphorylation events triggered by the foodborne pathogen Salmonella in host cells to promote infection. The image shows Salmonella Typhimurium under an electron scanning microscope. [Image: Volker Brinkmann/Max Planck Institute for Infection Biology]