29 April 2008
Vol 1, Issue 17

About The Cover

Cover image expansion

COVER This week's issue features a Perspective that describes how a plant-like signaling pathway in the protozoan pathogen Toxoplasma gondii results in the secretion of proteins involved in its escape from its host cell, a finding that raises hopes for new approaches to combat these parasites. The image depicts T. gondii (in green) during the lytic stage. [Image: Preston Huey, AAAS]