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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Effect of oxiconazole and Ro 14-4767/002 on sterol pattern in Candida albicans.

The effect of the imidazole oxiconazole and the morpholine derivative Ro 14-4767/002 on the sterol metabolism of Candida albicans was investigated at different periods of growth. Ergosterol, representing the main sterol component of control cells, was markedly reduced in oxiconazole-treated and Ro 14-4767/002-treated cells. However, the total sterol content of the cells treated with both drugs was increased due to accumulation of other sterols not present in control cells: in oxiconazole-treated cells 24-methenedihydrolanosterol, 4,14-dimethylfecosterol and 14-methylfecosterol accumulated, indicating an inhibition of C14-demethylation. This is in agreement with the mode of action described for other azoles in various pathogen fungi. In Ro 14-4767/002-treated cells the main sterol accumulated was ignosterol, indicating an inhibition of delta 14-sterol reductase and delta 8-delta 7-isomerase. This inhibition has not been described before in human pathogens although it has been previously found in plant pathogenic fungi treated with fenpropimorph.[1]


  1. Effect of oxiconazole and Ro 14-4767/002 on sterol pattern in Candida albicans. Polak-Wyss, A., Lengsfeld, H., Oesterhelt, G. Sabouraudia. (1985) [Pubmed]
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