The Joint International Symposium Microverse I - Microbial and Biomolecular Interactions will take place in Jena from 1^st till 3^rd September 2020. Microverse I will bring together national and international scientists to discuss recent advances in microbial communication, host-microbiome interactions and environmental microbiomes. It is organized by the Cluster of Excellence Balance of the Microverse, the Collaborative Research Centres ChemBioSys and AquaDiva, as well as the consortium InfectControl 2020. You are welcome to visit our conference website, providing a preliminary schedule, a list of confirmed speakers and information on the meeting venue.