4.8 Article

Elucidating Hydroxylation and Methylation Steps Tailoring Piericidin A1 Biosynthesis

Journal

ORGANIC LETTERS
Volume 16, Issue 3, Pages 736-739

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ol4034176

Keywords

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Funding

  1. MOST [2012AA092104, 2010CB833805]
  2. CAS [XDA11030403, KSCX2-EW-G-12]
  3. NSFC [31125001, 31290233]
  4. Administration of Ocean and Fisheries of Guangdong Province [GD2012-D01-001, GD2012-D01-002]

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The piericidin A1 (1) gene cluster was identified from the deep-sea derived Streptomyces sp. SCSIO 03032. Our in vivo and in vitro experiments verified PieE as a 4'-hydroxylase and PieB2 as a 4'-O-methyltransferase, allowing the elucidation of the post-PKS modification steps involved in 1 biosynthesis. In addition, the shunt metabolite piericidin El (7) was identified as a novel analogue featuring a C-2/C-3 epoxy ring.

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