The effects of naftifine on the ultrastructure of Candida parapsilosis: A freeze fracture study

Naftifine, a new antimycotic drug, was found to induce dose-dependent ultrastructural changes in C. parapsilosis. Increased accumulation of lipid particles in the cytoplasm, thickening of the cell wall and alterations of the plasma membrane by vesicular structures were the most obvious findings. Ves...

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Veröffentlicht in:Medical mycology (Oxford) 1982, Vol.20 (3), p.199-207
Hauptverfasser: Meingassner, J.G., Sleytr, U.B.
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container_title Medical mycology (Oxford)
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creator Meingassner, J.G.
Sleytr, U.B.
description Naftifine, a new antimycotic drug, was found to induce dose-dependent ultrastructural changes in C. parapsilosis. Increased accumulation of lipid particles in the cytoplasm, thickening of the cell wall and alterations of the plasma membrane by vesicular structures were the most obvious findings. Vesicular inclusions have also been observed in the cell wall. These changes caused a progressive destruction of the cell architecture which is presumed to result from interaction of naftifine with fungal sterol biosynthesis. Zusammenfassung Naftifin, ein neues Antimykotikum, verursachte dosisabhängig Veränderungen im ultrastrukturellen Aufbau von C. parapsilosis. Die auffälligsten Beobachtungen waren Anhäufung von Lipidpartikeln im Zytoplasma, Veränderungen der Plasmamembran durch vesikuläre Strukturen und Verdickung der Zellwand. Vesikuläre Einschlüsse wurden auch in der Zellwand beobachtet. Alle diese Veränderungen verursachten, vermutlich als Folge einer Störung der Sterolbiosynthese durch Naftifin, eine progressive Zerstörung der Zellarchitektur.
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Increased accumulation of lipid particles in the cytoplasm, thickening of the cell wall and alterations of the plasma membrane by vesicular structures were the most obvious findings. Vesicular inclusions have also been observed in the cell wall. These changes caused a progressive destruction of the cell architecture which is presumed to result from interaction of naftifine with fungal sterol biosynthesis. Zusammenfassung Naftifin, ein neues Antimykotikum, verursachte dosisabhängig Veränderungen im ultrastrukturellen Aufbau von C. parapsilosis. Die auffälligsten Beobachtungen waren Anhäufung von Lipidpartikeln im Zytoplasma, Veränderungen der Plasmamembran durch vesikuläre Strukturen und Verdickung der Zellwand. Vesikuläre Einschlüsse wurden auch in der Zellwand beobachtet. 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title The effects of naftifine on the ultrastructure of Candida parapsilosis: A freeze fracture study
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