How Evolution Transformed a Virus Into a Pregnancy Tool
Originally, the viral gene encoded an envelope protein—a tool viruses use to fuse with host cells. Evolution took advantage of this fusion ability and repurposed it into something completely new. Instead of helping viruses invade cells, the gene now helps create the placenta. Syncytin is responsible for forming the syncytiotrophoblast, a remarkable fused layer where … Read moreHow Evolution Transformed a Virus Into a Pregnancy Tool
