Two new cyclopentanoids from the endophytic fungus Aspergillus sydowii associated with the marine alga Acanthophora spicifera

Franka Teuscher, Wenhan Lin, Victor Wray, Ru Angelie Edrada, K. Padmakumar, Peter Proksch, Rainer Ebel

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

A marine-derived endophytic fungus, identified as Aspergillus sydowii was isolated from the inner tissue of the marine red alga Acanthophora spicifera. After mass cultivation of the fungus, chemical investigation afforded two new chlorinated 2,5-diarylcyclopentenones, which were named sydowin A and B. The structures of the new compounds were established on the basis of NMR spectroscopic (1H, 13C, 1H detected direct, and long range 1H-13C correlations) and mass spectrometric (ESI and FT-ICR-MS) data. Structurally related fungal compounds have hitherto only been described from higher basidiomycetes, but are characterized for the first time from an ascomycete in this study.

LanguageEnglish
Pages927-933
Number of pages7
JournalNatural Product Communications
Volume1
Issue number11
Publication statusPublished - 2006

Fingerprint

algae
Acanthophora
Aspergillus
Fungi
Rhodophyta
Basidiomycota
Ascomycota
fungi

Keywords

  • algicolous fungi
  • cyclopentanoids
  • marine-derived fungi
  • natural products

Cite this

Teuscher, Franka ; Lin, Wenhan ; Wray, Victor ; Edrada, Ru Angelie ; Padmakumar, K. ; Proksch, Peter ; Ebel, Rainer. / Two new cyclopentanoids from the endophytic fungus Aspergillus sydowii associated with the marine alga Acanthophora spicifera. In: Natural Product Communications. 2006 ; Vol. 1, No. 11. pp. 927-933.
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Two new cyclopentanoids from the endophytic fungus Aspergillus sydowii associated with the marine alga Acanthophora spicifera. / Teuscher, Franka; Lin, Wenhan; Wray, Victor; Edrada, Ru Angelie; Padmakumar, K.; Proksch, Peter; Ebel, Rainer.

In: Natural Product Communications, Vol. 1, No. 11, 2006, p. 927-933.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Two new cyclopentanoids from the endophytic fungus Aspergillus sydowii associated with the marine alga Acanthophora spicifera

AU - Teuscher, Franka

AU - Lin, Wenhan

AU - Wray, Victor

AU - Edrada, Ru Angelie

AU - Padmakumar, K.

AU - Proksch, Peter

AU - Ebel, Rainer

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AB - A marine-derived endophytic fungus, identified as Aspergillus sydowii was isolated from the inner tissue of the marine red alga Acanthophora spicifera. After mass cultivation of the fungus, chemical investigation afforded two new chlorinated 2,5-diarylcyclopentenones, which were named sydowin A and B. The structures of the new compounds were established on the basis of NMR spectroscopic (1H, 13C, 1H detected direct, and long range 1H-13C correlations) and mass spectrometric (ESI and FT-ICR-MS) data. Structurally related fungal compounds have hitherto only been described from higher basidiomycetes, but are characterized for the first time from an ascomycete in this study.

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KW - cyclopentanoids

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KW - natural products

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