We are pleased to announce that a new article from a research group of Rome Tor Vergata University Biology Department will be published (10.1038/s41598-018-37651-y) in Scientific Reports on the 7^th of February 2019. “Three ancient documents solve the jigsaw of the parchment purple spot deterioration and validate the microbial succession model” (SREP-18-20282) The paper will be freely available online at www.nature.com/articles/s41598-018-37651-y