Journal
ORGANIC LETTERS
Volume 19, Issue 13, Pages 3560-3563Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.7b01534
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Funding
- NIH [1R35GM118056, 1DP1GM106413]
- Australian Research Council [FT160100233]
- NIH Biotechnology Training in Biomedical Sciences and Engineering [T32GM067555]
- NIH Cellular and Molecular Biology (CMB) Training Grant [T32GM007185]
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Zaragozic acid A (1) is a potent cholesterol lowering, polyketide natural product made by various filamentous fungi. The reconstitution of enzymes responsible for the initial steps of the biosynthetic pathway of 1 is accomplished using an engineered fungal heterologous host. These initial steps feature the priming of a benzoic acid starter unit onto a highly reducing polyketide synthase (HRPKS), followed by oxaloacetate extension and product release to generate a tricarboxylic acid containing product 2. The reconstitution studies demonstrated that only three enzymes, HRPKS, citrate synthase, and hydrolase, are needed in A. nidulans to produce the structurally complex product.
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