Fungal Natural Products: Biosynthesis, Bioactivity, and Biotechnological Applications

Fungal natural products represent a rich and diverse source of biologically active compounds with significant potential in medicine, agriculture, and industrial biotechnology. Despite their long-standing use and cultural importance, the complexity of fungal secondary metabolism has only recently been unraveled by advances in genomics, bioinformatics, and metabolomics. Current challenges in this expanding field include: Elucidation of biosynthetic gene clusters, understanding regulatory networks governing metabolite production, and tapping into the vast chemical diversity of fungal species through an array of biotechnological tools. While notable findings have spotlighted compounds such as erinacines and psiloids with therapeutic promise, the full scope of fungal metabolic capabilities remains underexplored, and questions persist regarding optimization, scalability, and novel function discovery.Recent research has advanced our knowledge of fungal metabolite pathways through innovative tools in genomics, genome editing, and metabolic engineering. Studies have demonstrated the potential to activate quiet biosynthetic pathways, optimize yields through tailored fermentation strategies, and generate new bioactive derivatives via synthetic biology. Integrated approaches combining enzyme characterization, gene regulation studies, and computational modeling have illuminated key steps in both classical and emergent pathways. Nevertheless, further investigation is necessary to systematically harness this knowledge for effective production, refine regulatory understanding, and discover unprecedented molecules with unique biological activities. Additional complexity exists within the functional mushroom industry in that many fungal species of economic significance are poorly characterized in terms of secondary metabolite profiles. Furthermore, contrasting cultivation methods and different fungal tissue types frequently will exhibit distinct metabolite profiles. This Research Topic aims to bring together studies that deepen our understanding of fungal natural product biosynthesis and bioactivity, and that drive biotechnological applications of these metabolites. It seeks to answer fundamental questions about how fungal metabolic pathways are organized and regulated, how bioactive molecules can be efficiently produced and modified, and what new strategies can unlock their full potential for societal benefit. By fostering interdisciplinary discussion, this topic encourages both foundational and translational research in pathway elucidation, synthetic biology, and applied biotechnology.The scope of this Research Topic encompasses studies ranging from basic pathway discovery to applied metabolic engineering, with a focus on both methodological advancement and practical applications. Contributions may include, but are not limited to, the following themes:- Discovery and annotation of novel fungal biosynthetic gene clusters- Enzyme function, pathway regulation, and metabolic network analysis- Strategies in synthetic biology and genome editing for pathway engineering- Methods for optimizing fermentation or culturing for enhanced metabolite production- Characterization of new or known fungal natural products with therapeutic, agricultural, or industrial significance- Biotechnological applications and translational studies of fungal metabolites- Efforts in standardizing analytical approaches and informing regulatory efforts surrounding fungal secondary metabolite diversityTopic editor, Dr. Kyle W. Meyer is employed by Fungi Perfecti LLC. The other Topic Editors report no competing interests related to this Research Topic. Topic editors: Abdul Bari Shah, Kyle William Meyer Source: https://www.frontiersin.org/research-topics/79848/fungal-natural-products-biosynthesis-bioactivity-and-biotechnological-applications