The article "Historic Treponema pallidum genomes from Colonial Mexico retrieved from archaeological remains" by Verena J. Schuenemann et. al. was published in the journal PLOS Neglected Tropical Diseases.
Following some media response about the article:
Syphilis DNA Pulled From Colonial-Era Bones (National Geographic - 21.06.2018)
First ancient syphilis genomes decoded (Science Daily - 21.06.2018)
First Ancient Syphilis Genomes Reveal New History Of The Disease (Discover Magazine - 21.06.2018)
Searching for Syphilis: Ancient Treponema pallidum from human remains sheds light on its evolutionary history (PLOS Research News - 21.06.2018)