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Linear Peptides Are the Major Products of a Biosynthetic Pathway That Encodes for Cyclic Depsipeptides

  • Thomas P. Wyche
  • , Antonio C. Ruzzini
  • , Christine Beemelmanns
  • , Ki Hyun Kim
  • , Jonathan L. Klassen
  • , Shugeng Cao
  • , Michael Thomas-Poulsen
  • , Tim S. Bugni
  • , Cameron R. Currie
  • , Jon Clardy*
  • *Corresponding author af dette arbejde

Publikation: Bidrag til tidsskrift › Letter › peer review

Abstract

Three new dentigerumycin analogues are produced by Streptomyces sp. M41, a bacterium isolated from a South African termite, Macrotermes natalensis. The structures of the complex nonribosomal peptide synthetase-polyketide synthase (NRPS/PKS) hybrid compounds were determined by 1D- and 2D-NMR spectroscopy, high-resolution mass spectrometry, and circular dichroism (CD) spectroscopy. Both cyclic and linear peptides are reported, and the genetic organization of the NRPS modules within the biosynthetic gene cluster accounts for the observed structural diversity.

OriginalsprogEngelsk
TidsskriftOrganic Letters
Vol/bind19
Udgave nummer7
Sider (fra-til)1772-1775
Antal sider4
ISSN1523-7060
DOI
StatusUdgivet - 2017
Udgivet eksterntJa

Finansiering

We are grateful for financial support through the NIH (R01-GM086258 to J.C., RC4-GM096347 to J.C. and C.R.C., and R01-GM104192 to T.S.B.) and through the German National Academy of Sciences Leopoldina for a postdoctoral fellowship to C.B. (LPDS 2011-2). This research was also supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science ICT, and Future Planning (2015R1C1A1A02037383). A.C.R. was supported by a PDF from the Canadian Institutes of Health Research.

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