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PubMed1977

Studies concerning the metabolites produced by Stachybotrys atra, Penicillium islandicum, Penicillium viridicatum and Aspergillus versicolor.

Over the past ten years it has become quite apparent that mycotoxins, or toxins produced by fungi, are responsible for a wide variety of human and animal illnesses and, in many cases, deaths. Consequently, the study of the metabolites produced by fungi and the possible occurrence of such metabolites in foodstuffs is of critical importance. It is the purpose of this paper to outline the approach taken at the U.S. Food and Drug Administration in evaluating the possible hazard to human health posed by the growth of molds on foods, and to elaborate upon the results of studies sponsored by FDA relative to the metabolites produced by four mold species frequently found on foodstuffs. i.e., S. atra, P. islandicum, P. viridicatum and A. versicolor.

Aspergillus↗
PubMed1998

Kampanols: novel Ras farnesyl-protein transferase inhibitors from Stachybotrys kampalensis.

Farnesyl-protein transferase (FPTase) is a critical enzyme that participates in the post-translational modification of the Ras protein. Inhibitors of this enzyme have the potential of being novel anticancer agents for tumors in which the ras oncogene is found mutated and contributes to cell transformation. Continued screening of natural product extracts led to the isolation of kampanols, which are novel and specific inhibitors of FPTase. The most active kampanols exhibited IC50 values between 7 to 13 microM against human recombinant FPTase. The isolation, structure determination, and biological activity of these compounds are described.

Alkyl and Aryl Transferases↗