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Discovery of natural products that possess novel chemical structures and pharmaceutical activities increases opportunities of drug development. Filamentous fungi have been recognized as an attractive source for pharmaceutically beneficial natural products. Genome sequencing innovation represented by Next-generation sequencer opened fungal genomes one after another, suggesting that one fungal strain has far more biosynthetic gene clusters than that are estimated from the number of previously isolated natural products. In addition, bioinformatics analyses have indicated that most biosynthetic gene clusters are silent under laboratory culture conditions and there are a huge number of natural products hidden in the fungal genome. Therefore, we focused on those silent biosynthetic gene clusters as a potential source for novel natural products and developed methods to activate silent biosynthetic gene clusters by using low molecular weight molecules. In this review, we describe on discovery of novel natural products through activating fungal silent biosynthesis by addition of epigenetic modifiers and plant hormones.

Citation

Teigo Asai. Discovery of Diverse Natural Products from Undeveloped Fungal Gene Resource by Using Epigenetic Regulation]. Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan. 2022;142(5):439-446

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PMID: 35491146

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