期刊
ACS CHEMICAL BIOLOGY
卷 13, 期 1, 页码 267-272出版社
AMER CHEMICAL SOC
DOI: 10.1021/acschembio.7b00900
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资金
- German Ministry of Education and Research (BMBF)
Analysis of the genome sequence of the myxobacterium Chondromyces crocatus Cm c5 revealed the presence of numerous cryptic megasynthetase gene cluster's, one of which we here assign to two previously unknown chlorinated metabolites by a comparative gene inactivation and secondary metabolomics approach. Structure elncidation of these compounds revealed a unique cyclic depsipeptide skeleton featuring beta- and delta-amide bonds of aspartic acid and 3-methyl ornithine moieties, respectively. Insights into their biosynthesis were obtained by targeted gene inactivation and feeding experiments employing isotope-labeled precursors, The compounds were produced. ubiquitously by the species Chondromyces crocatus and were found to inhibit the carbon storage regulator-RNA interaction.
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