A cell wall-active lipopeptide from the fungus Pochonia bulbillosa

J Nat Prod. 2008 Dec;71(12):2045-8. doi: 10.1021/np800341u.

Abstract

Bioassay-directed fractionation of a fermentation of Pochonia bulbinosa, culture 38G272, led to the isolation of a series of structurally novel, prospective cell wall-active lipopeptides. The main component of this suite is 1, a linear hexapeptide with a delta-hydroxymyristic acid amide substituted N-terminus. The structure was deduced using high-field microsample NMR, Fourier transform mass spectrometry, and microscale chemical degradation. The potent cell wall activity and synthetically accessible structure of 1 make it a potential lead for further investigation.

MeSH terms

  • Amino Acid Sequence
  • Antifungal Agents / chemistry
  • Antifungal Agents / isolation & purification*
  • Antifungal Agents / pharmacology
  • Cell Wall / chemistry
  • Cell Wall / metabolism
  • Costa Rica
  • Hypocreales / chemistry*
  • Lipopeptides / chemistry
  • Lipopeptides / isolation & purification*
  • Lipopeptides / pharmacology
  • Molecular Structure
  • Nuclear Magnetic Resonance, Biomolecular

Substances

  • Antifungal Agents
  • Lipopeptides