Fungal Lethality, Binding, and Cytotoxicity of Syringomycin-E

Author:

De Lucca A. J.1,Jacks T. J.1,Takemoto J.2,Vinyard B.3,Peter J.4,Navarro E.4,Walsh T. J.4

Affiliation:

1. Southern Regional Research Center, Agricultural Research Service, U.S. Department of Agriculture, New Orleans, Louisiana1;

2. Department of Biology, Utah State University, Logan, Utah2;

3. Biometrical Consulting Service, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, Maryland3; and

4. Immunocompromised Host Section, Pediatric Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland4

Abstract

ABSTRACT Syringomycin-E (SE) was significantly lethal to Aspergillus and Fusarium species at between 1.9 and 7.8 μg/ml. SE complexed with the following fungal wall constituents (in order of binding): β-1,3-glucan > chitin > mannan > ergosterol = cholesterol. Cytotoxicity in HeLa cells was proportional to the SE concentration, while the amount required for cytotoxicity was 3 to 20 times that needed to kill 95% of the fungi tested.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

Reference24 articles.

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2. The emerging role of Fusarium infections in patients with cancer.;Anaissie E.;Medicine (Baltimore),1988

3. Auswick P. K. C. Fusarium infections in man and animals The applied mycology of Fusarium. Moss M. D. Smith J. E. 1986 129 140 Cambridge University Press New York N.Y

4. Mechanism of action of Pseudomonas syringae phytotoxin, syringomycin: stimulation of red beet plasma membrane ATPase activity.;Bidwai A. P.;Plant Physiol.,1987

5. Amphotericin B: current understanding of mechanisms of action

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