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Structures and Biosynthetic Pathway of Pulvomycins B-D: 22-Membered Macrolides from an Estuarine Streptomyces sp.

  • Kyuho Moon
  • , Jinsheng Cui
  • , Eunji Kim
  • , Evan Setiawan Riandi
  • , So Hyun Park
  • , Woong Sub Byun
  • , Youngju Kal
  • , Jun Young Park
  • , Sunghoon Hwang
  • , Daniel Shin
  • , Jeongyoon Sun
  • , Ki Bong Oh
  • , Sangwon Cha
  • , Jongheon Shin
  • , Sang Kook Lee
  • , Yeo Joon Yoon
  • , Dong Chan Oh
  • Seoul National University
  • Chonnam National University
  • Dongguk University

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

Pulvomycins B-D (1-3) were discovered from an estuarine Streptomyces strain along with the known pulvomycin (4). The 22-membered macrocyclic lactone structures of 1-3 were determined based on the interpretation of NMR, UV, and MS data, the modified Mosher's method, and Kishi's bidentate chiral solvent NMR spectroscopy. Genomic analysis of the bacterial strain revealed the biosynthetic gene cluster of pulvomycin and enabled us to propose the trans-acyltransferase polyketide biosynthetic pathway. Pulvomycin D displayed potent cytotoxic activity against various cancer cell lines.

Original languageEnglish
Pages (from-to)5358-5362
Number of pages5
JournalOrganic Letters
Volume22
Issue number14
DOIs
StatePublished - 17 Jul 2020

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

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