Microorganisms

Microorganisms is a peer-reviewed, open access journal published by MDPI, dedicated to advancing the understanding of all aspects of microbial science. With an ISSN of 2076-2607 and a 2026 Impact Factor of 4.9260, the journal holds a JCR Quartile ranking of Q2, reflecting its solid standing within the competitive field of microbiology. The journal’s scope is broad and interdisciplinary, encompassing fundamental and applied research on prokaryotic and eukaryotic microorganisms, including bacteria, archaea, fungi, protists, and viruses. Main topics span microbial ecology, evolution, genetics, physiology, pathogenesis, antimicrobial resistance, industrial microbiology, and the roles of microorganisms in human, animal, and environmental health. Microorganisms publishes a diverse array of article types, including original research articles, comprehensive reviews, short communications, and case reports, ensuring coverage of both novel discoveries and critical syntheses of existing knowledge. The target audience comprises academic researchers, clinicians, microbiologists, biotechnologists, and graduate students seeking current, high-quality findings in microbial biology. Notable features include its open access model, which ensures immediate, unrestricted global dissemination of published work, and its affiliation with MDPI, a well-established open access publisher known for rigorous peer review and fast publication times. The journal’s Q2 quartile ranking, combined with its strong impact factor, positions it as a reputable venue for researchers aiming to share significant contributions with a wide, international readership, particularly in rapidly evolving areas such as microbiome research, infectious disease, and microbial biotechnology.