The effects of amorolfine and oxiconazole on the ultrastructure of Trichophyton mentagrophytes. A comparison
- 1 July 1990
- Vol. 33 (7-8), 393-404
- https://doi.org/10.1111/myc.1990.33.7-8.393
Abstract
Amorolfine applied in concentrations of 0.1–100 μg ml−1 caused considerable damages to the ultrastructure of Trichophyton mentagrophytes: Electron-transparent areas appear in the cytoplasma. The cell wall increases in thickness. Extracytoplasmic membrane vesicles are formed and deposited in the cell wall. Starved fungal cells, with normal ultrastructure, can be found. Lysed, dead cells demonstrate the process of final, vigorous ultrastructural damage. The feature of the damage caused by amorolfine is comparable to that effected by azole antifungals. The characteristics of the ultrastructural changes are similar to those due to amorolfine in the yeast species Candida albicans. Zusammenfassung. Amorolfin bewirkte in Konzentrationen von 0,1–100 μg ml−1 beträchtliche Ultrastrukturschäden bei Trichophyton mentagrophytes: Elektronen-transparente Areale erscheinen im Zytoplasma . Die Zellwand wird erheblich verdickt. Extrazytoplasmatische Membranvesikel bilden sich und werden in die Zellwand eingebaut. Strukturnormale Mangelformen werden beobachtet. Lysierte, abgestorbene Pilzzellen belegen den Schädigungsprozeß. Die amorolfinbedingten Schäden sind vergleichbar mit denen, die Azol-Antimyzetika verursachen. Der Charakter der Amorolfin-Schäden bei Trichophyton mentagrophytes ähnelt dem bei der Hefe Candida albicans.Keywords
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