08 May 2018
Vol 11, Issue 529

About The Cover

Cover image expansion

Online Cover This week features a Research Article that shows that different stimuli activate the same subset of genes with different kinetics to elicit distinct modifications of lipid A in the outer membrane of the Gram-negative bacterium Salmonella enterica serovar Typhimurium. Lipid A is recognized by the host immune system and targeted by cationic antimicrobial compounds. The image shows Salmonella enterica serovar Typhimurium as visualized by electron microscopy. [Image: Nature's Geometry/Science Source]