by Duke University At left: A wild type Chlamydia (green) surrounded by the GarD protein (red) that cloaks it from detection inside human cells. Right: Chlamydia with GarD knocked out (green) are enveloped by the antimicrobial proteins ubiquitin (yellow) and RNF213 (magenta). Credit: Stephen C. Walsh, Duke University Chlamydia, the leading cause of sexually transmitted...