Biosynthesis of desosamine: construction of a new macrolide carrying a genetically designed sugar moiety |
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Authors: | Borisova S A Zhao L Sherman D H Liu H W |
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Institution: | Department of Chemistry, University of Minnesota, Minneapolis 55455, USA. |
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Abstract: | formula: see text] The appended sugars in macrolide antibiotics are indispensable to the biological activities of these important drugs. In an effort to generate a set of novel macrolide derivatives, we have created a new analogue of methymycin and neomethymycin, antibiotics produced by Streptomyces venezuelae. This analogue 15 carrying a different sugar, D-quinovose, instead of D-desosamine, was constructed by taking advantage of targeted gene deletion combined with a specific pathway-independent C-3 reduction capability of the wild type S. venezuelae. |
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