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U.S. Food & Drug Administration

Azoreductase from Staphylococcus aureus characterized

Published in Pharma Investments, Ventures and Law Weekly, July 17th, 2005

Scientists have characterized an azoreductase from Staphylococcus aureus.

According to recent research from the United States, "Azo dyes are a predominant class of colorants used in tattooing, cosmetics, foods, and consumer products. A gene encoding NADPH-flavin azoreductase (Azol) from the skin bacterium Staphylococcus aureus ATCC 25923 was identified and overexpressed in Escherichia coli. RT-PCR results demonstrated that the azol gene was constitutively expressed at the mRNA level in S. aureus. Azol was found to be a tetramer with a native molecular mass of 85 kDa containing four non-covalently bound FMN. Azol requires NADPH, but not NADH,...

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