Identification of a Cryptococcus neoformans Cytochrome P450 Lanosterol 14α-Demethylase (Erg11) Residue Critical for Differential Susceptibility between Fluconazole/Voriconazole and Itraconazole/Posaconazole
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چکیده
منابع مشابه
Multiple regulatory elements control expression of the gene encoding the Saccharomyces cerevisiae cytochrome P450, lanosterol 14 alpha-demethylase (ERG11).
The major cytochrome P450 in the yeast Saccharomyces cerevisiae, lanosterol 14 alpha-demethylase (ERG11), catalyzes an essential reaction in the biosynthesis of ergosterol, the predominant sterol of yeast. Protein levels of this cytochrome P450 are known to be affected by carbon source, oxygen, and heme, as well as the growth state of the culture. We have determined that ERG11 message levels in...
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Antley-Bixler syndrome (ABS) represents a group of heterogeneous disorders characterized by skeletal, cardiac, and urogenital abnormalities that have frequently been associated with mutations in fibroblast growth factor receptor 2 or cytochrome P450 reductase genes. In some ABS patients, reduced activity of the cholesterogenic cytochrome P450 CYP51A1, an ortholog of the mouse CYP51, and accumul...
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متن کاملTriazole resistance mediated by mutations of a conserved active site tyrosine in fungal lanosterol 14α-demethylase
Emergence of fungal strains showing resistance to triazole drugs can make treatment of fungal disease problematic. Triazole resistance can arise due to single mutations in the drug target lanosterol 14α-demethylase (Erg11p/CYP51). We have determined how commonly occurring single site mutations in pathogenic fungi affect triazole binding using Saccharomyces cerevisiae Erg11p (ScErg11p) as a targ...
متن کاملExpression of Lanosterol 14-Demethylase (ERG11) Gene of Three-Drug Combinations in Candida albicans
Patients with impaired immunity are at particular risk of infections with Candida albicans. Antifungal drugs such as azoles commonly used for candidiasis treatment, but drug resistance is one of the most common problems for public health. The aim of this study was to evaluate the expression of lanosterol 14-demethylase (ERG11) gene for three-drug combinations in C. albicans. Disk diffusion and ...
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ژورنال
عنوان ژورنال: Antimicrobial Agents and Chemotherapy
سال: 2011
ISSN: 0066-4804,1098-6596
DOI: 10.1128/aac.05502-11