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Angew Chem Int Ed Engl. 2020 Apr 6;59(15):6192-6195. doi: 10.1002/anie.201914449. Epub 2020 Feb 26.

Chimeric LuxR Transcription Factors Rewire Natural Product Regulation.

Author information

1
Independent Junior Research Group Chemistry of Microbial Communication, Leibniz Institute for Natural Product Research and Infection Biology, Hans Knöll Institute (HKI), Beutenbergstrasse 11a, 07745, Jena, Germany.

Abstract

LuxR-type transcriptional activator proteins frequently regulate the expression of biosynthetic gene clusters (BGCs). With only a fraction of bacterial BGCs being expressed under standard culturing conditions, modulation of LuxRs would provide a powerful approach to activate silent clusters. We show that by exploiting the modular nature of LuxR proteins, it is possible to construct functional chimeric LuxRs, which enables both the rewiring of quorum sensing systems and the activation of silent BGCs. Importantly, our strategy allowed us to identify the novel natural product pseudomonol from a bacterium of the genus Pseudomonas.

KEYWORDS:

LuxRs; gene expression; natural products; quorum sensing; transcriptional activation

PMID:
31943579
DOI:
10.1002/anie.201914449

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