Xu-Hua Mo, Qing-Yin Pu, Tilo Lübken, Gui-Hong Yu, Mert Malay, Paul M. D’Agostino, Tobias A.M. Gulder
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Discovery and biosynthesis of non-canonical C16-terpenoids from Pseudomonas
Biosynthesis of sodorifen with a unique C16-bicyclo[3.2.1]octene framework requires an S-adenosyl methionine-dependent methyltransferase SodC and terpene cyclase SodD. While bioinformatic analyses reveal a wide distribution of the sodCD genes organization in bacteria, their functional diversity remains largely unknown. Herein, two sodorifen-type gene clusters, pcch and pcau, from Pseudomonas sp. are heterologously expressed in Escherichia coli, leading to the discovery of two C16 terpenoids. Enzymatic synthesis of these compounds is achieved using the two (SodCD-like) pathway-specific enzymes. Enzyme assays using different combinations of methyltransferases and terpene synthases across the pcch, pcau, and sod pathways reveal a unifying biosynthetic mechanism: all three SodC-like enzymes methylate farnesyl pyrophosphate (FPP) with subsequent cyclization to a common intermediate, pre-sodorifen pyrophosphate. Structural diversification of this joint precursor solely occurs by the subsequently acting individual terpene synthases. Our findings expand basic biosynthetic understanding and structural diversity of unusual C16-terpenoids.
Cell Chemical BiologyBiochemistry, Genetics and Molecular Biology-Molecular Medicine
CiteScore
14.70
自引率
2.30%
发文量
143
期刊介绍:
Cell Chemical Biology, a Cell Press journal established in 1994 as Chemistry & Biology, focuses on publishing crucial advances in chemical biology research with broad appeal to our diverse community, spanning basic scientists to clinicians. Pioneering investigations at the chemistry-biology interface, the journal fosters collaboration between these disciplines. We encourage submissions providing significant conceptual advancements of broad interest across chemical, biological, clinical, and related fields. Particularly sought are articles utilizing chemical tools to perturb, visualize, and measure biological systems, offering unique insights into molecular mechanisms, disease biology, and therapeutics.