Sterol and ochratoxin biosynthesis and miconazole action onAspergillus ochraceus activity |
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Authors: | H A H Hasan |
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Institution: | (1) Botany Department, Faculty of Science, Assiut University, Assiut, Egypt |
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Abstract: | Miconazole (MC), an effective drug used in medicine as a topical broad-spectrum antifungal agents for treating tinea, aspergilloses
and candidoses, was used for studying its effect on sterols, ochratoxin A and B biosynthesis byAspergillus ochraceus in vitro. Sterol biosynthesis and production of ochratoxin A and B were inhibited by MC when added into the culture medium together
with the inoculum. MC, addition 2 d after culture inoculation, inhibited sterol biosynthesis after 5, 9 and 14 d, ochratoxin
A production after 5 and 9 d and ochratoxin B production after 9 d of incubation. However, at 10, 50 and 100 ppm concentrations
it induced a significant accumulation of both toxins after 14 d of incubation. |
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Keywords: | |
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