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|Title:||Novel Methoxymethacrylate Natural Products Uncovered by Statistics-Based Mining of the Myxococcus fulvus Secondary Metabolome|
|Title:||ACS chemical biology|
|Publisher/Platform:||ACS Chemical Biology|
|Year of Publication:||2019|
|Publikation type:||Journal Article|
|Abstract:||This study reports the uncovering of new myxobacterial natural products through comprehensive analysis of the Myxococcus fulvus secondary metabolome. Statistics-based mining of mass spectrometry data paved the way for full structure elucidation of two new secondary metabolites named fulvuthiacene A and B, and investigation of the underlying biosynthetic pathway revealed an evolutionary link between the fulvuthiacene hybrid polyketide synthase (PKS) and nonribosomal peptide synthetase (NRPS) gene cluster and the related myxothiazol and melithiazol assembly lines. Detailed characterization of the post-PKS modification enzyme cascade responsible for the fulvuthiacenes' terminal β-methoxy-methyl acrylate moiety was pursued by heterologous expression of these enzymes in the myxothiazol producer Stigmatella aurantiaca DW4/3-1. The discovery of fulvuthiacenes provides new insights into the overall structure-activity relationship picture for the β-methoxyacrylate class of respiratory chain inhibitors and might thus serve as starting point for the development of next-generation β-methoxymethacrylate fungicides.|
|DOI of the first publication:||10.1021/acschembio.8b00948|
|Link to this record:||hdl:20.500.11880/27685|
|Date of registration:||6-Sep-2019|
|Faculty:||NT - Naturwissenschaftlich- Technische Fakultät|
|Department:||NT - Pharmazie|
|Professorship:||NT - Prof. Dr. Rolf Müller|
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