Bi- and Tetracyclic Spirotetronates from the Coal Mine Fire Isolate Streptomyces sp. LC-6-2

Xiachang Wang, Sherif I. Elshahawi, Wenlong Cai, Yinan Zhang, Larissa V. Ponomareva, Xiabin Chen, Gregory C. Copley, James C. Hower, Chang Guo Zhan, Sean Parkin, Jürgen Rohr, Steven G. Van Lanen, Khaled A. Shaaban, Jon S. Thorson

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

The structures of 12 new “enantiomeric”-like abyssomicin metabolites (abyssomicins M-X) from Streptomyces sp. LC-6-2 are reported. Of this set, the abyssomicin W (11) contains an unprecedented 8/6/6/6 tetracyclic core, while the bicyclic abyssomicin X (12) represents the first reported naturally occurring linear spirotetronate. Metabolite structures were determined based on spectroscopic data and X-ray crystallography, and Streptomyces sp. LC-6-2 genome sequencing also revealed the corresponding putative biosynthetic gene cluster.

Original languageEnglish
Pages (from-to)1141-1149
Number of pages9
JournalJournal of Natural Products
Volume80
Issue number4
DOIs
StatePublished - Apr 28 2017

Bibliographical note

Publisher Copyright:
© 2017 The American Chemical Society and American Society of Pharmacognosy.

ASJC Scopus subject areas

  • Analytical Chemistry
  • Molecular Medicine
  • Pharmacology
  • Pharmaceutical Science
  • Drug Discovery
  • Complementary and alternative medicine
  • Organic Chemistry

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