21 April 2020
Vol 13, Issue 628

About The Cover

Cover image expansion

Online Cover This week features a Research Article that demonstrates that the transmembrane sensor PhoQ enables Salmonella enterica to directly detect fatty acids in the host gut and modify its expression of virulence genes to promote colonization. The image is a colorized transmission electron micrograph of S. enterica serovar Typhimurium. [Image: Eye of Science/Science Source]