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Combining NMR-Based Metabolic Profiling and Genome Mining for the Accelerated Discovery of Archangiumide, an Allenic Macrolide from the Myxobacterium Archangium violaceum SDU8

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journal contribution
posted on 2021-03-10, 17:37 authored by Jia-Qi Hu, Jing-Jing Wang, Yue-Lan Li, Li Zhuo, Ai Zhang, Hai-Yan Sui, Xiao-Ju Li, Tao Shen, Yizhen Yin, Zhi-Hong Wu, Wei Hu, Yue-Zhong Li, Changsheng Wu
An unprecedented 19-membered allenic macrolide archangiumide (1) was discovered from the myxobacterium Archangium violaceum SDU8 by integrating NMR-based metabolic profiling and genome mining. Its biosynthesis pathway was proposed based on the architectural analysis of the encoding trans-AT PKS genes and validated by isotope labeling. The methodology of combing 2D NMR-based metabolic profiling and bioinformatics-aided structure prediction, as exemplified by this study, is anticipated to improve discovery efficiency of a broader range of microbial “dark matter”.