Aurantoside L, a New Tetramic Acid Glycoside with Anti-Leishmanial Activity Isolated from the Marine Sponge Siliquariaspongia japonica

Yasumoto Oyadomari, Yasuyuki Goto, Keisuke Suganuma, Shin Ichiro Kawazu, Leontine E. Becking, Nobuhiro Fusetani, Yoichi Nakao*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

A new tetramic acid glycoside, aurantoside L (1), was isolated from the sponge Siliquariaspongia japonica collected at Tsushima Is., Nagasaki Prefecture, Japan. The structure of aurantoside L (1) composed of a tetramic acid bearing a chlorinated polyene system and a trisaccharide part was elucidated using spectral analysis. Aurantoside L (1) showed anti-parasitic activity against L. amazonensis with an IC50 value of 0.74 µM.

Original languageEnglish
Article number171
JournalMarine Drugs
Volume22
Issue number4
DOIs
Publication statusPublished - Apr 2024

Keywords

  • anti-leishmanial activity
  • aurantosides
  • marine natural products
  • marine sponge
  • mass spectrometry
  • nuclear magnetic resonance
  • Siliquariaspongia japonica

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