
Ancient Colombian skeleton yields oldest Treponema genome, reshaping syphilis origins
Researchers recovered TE1-3, the oldest Treponema pallidum genome, from a 5,500-year-old skeleton in Sabana de Bogotá, Colombia, pushing the bacterium’s presence in the Americas back by thousands of years and fueling the argument that syphilis may have originated in the Americas, though the exact origin and transmission routes remain unsettled.