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eCAM Advance Access originally published online on January 30, 2006
eCAM 2006 3(1):87-92; doi:10.1093/ecam/nek008
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© The Author (2006). Published by Oxford University Press. All rights reserved
The online version of this article has been published under an open access model. Users are entitled to use, reproduce, disseminate, or display the open access version of this article for non-commercial purposes provided that: the original authorship is properly and fully attributed; the Journal and Oxford University Press are attributed as the original place of publication with the correct citation details given; if an article is subsequently reproduced or disseminated not in its entirety but only in part or as a derivative work this must be clearly indicated. For commercial re-use, please contact journals.permissions@oxfordjournals.org

Bioactive Components of the Traditionally used Mushroom Podaxis pistillaris

M. A. A. Al-Fatimi1, W.-D. Jülich2, R. Jansen3 and U. Lindequist2

1Department of Pharmacognosy, Aden University Aden, Yemen, 2Department of Pharmaceutical Biology, Institute of Pharmacy, Ernst-Moritz-Arndt-University Greifswald F.-L.-Jahn-Strasse 15, D-17487 Greifswald, Germany, and 3German Research Center for Biotechnology (GBF) Mascheroder Weg 1, D-38124 Braunschweig, Germany

In the course of an ethnobotanical study on fungi used in Yemeni ethnomedicine the fungus Podaxis pistillaris (Podaxales, Podaxaceae, Basidiomycetes) was found to exhibit antibacterial activity against Staphylococcus aureus, Micrococcus flavus, Bacillus subtilis, Proteus mirabilis, Serratia marcescens and Escherichia coli. In the culture medium of P. pistillaris three epidithiodiketopiperazines were identified by activity-guided isolation. Based on spectral data (NMR, ESI-MS and DCI-MS) their identity was established as epicorazine A (1), epicorazine B (2) and epicorazine C (3, antibiotic F 3822), which have not been reported as constituents of P. pistillaris previously. It is assumed that the identified compounds contribute to the antibacterial activity of the extract.

Keywords: Epicorazines – antibacterial – cytotoxic – Yemen

For reprints and all correspondence: U. Lindequist. Tel: +49-3834-864868; Fax: +49-3834-864885; E-mail: lindequi{at}uni-greifswald.de


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