Abstract
Streptomyces is well characterized by an ability to produce a wide variety of secondary metabolites including antibiotics, whose expression is strictly controlled by small diffusible signaling molecules at nano-molar concentrations. The signaling molecules identified to date are classified into three skeletons; γ-butyrolactones, furans, and γ-butenolides. Accumulated data suggest the structural diversity of the signaling molecules in Streptomyces species and their potential in activating cryptic secondary metabolite biosynthetic pathways. Several genome mining approaches to activate silent biosynthetic gene clusters have been reported for natural product discovery. This review updates recent examples on genetic manipulation including blockage of metabolic pathways together with inactivation of transcriptional repressor genes.
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Acknowledgements
KA was supported by Grants-in-Aid for Scientific Research on Innovative Areas from MEXT (Grant Nos. 25108718 and 17H05446), Grants-in-Aid for Scientific Research (B) (Grant No. 16H04917) from JSPS, and JSPS A3 Foresight Program.
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Arakawa, K. Manipulation of metabolic pathways controlled by signaling molecules, inducers of antibiotic production, for genome mining in Streptomyces spp.. Antonie van Leeuwenhoek 111, 743–751 (2018). https://doi.org/10.1007/s10482-018-1052-6
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DOI: https://doi.org/10.1007/s10482-018-1052-6