Microbiome Research Reports (MRR) (ISSN: 2771-5965) is an open-access journal launched in 2022, led by Prof. Marco Ventura (University of Parma, Italy) with an Editorial Board of 57 top scientists from 15 countries/regions. Indexed in PMC, ESCI (IF 3.8, Q2), and Scopus (CiteScoreTracker 2025: 5.8), MRR publishes high-quality research on human and animal microbiomes, focusing on the identification and functional analysis of microbial taxa, genes, and metabolite markers related to health and disease.