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Natural-product sugar biosynthesis and enzymatic glycodiversification
Christopher J Thibodeaux1, Charles E Melançon, Hung-wen Liu
1Division of Medicinal Chemistry, College of Pharmacy and Department of Chemistry and Biochemistry, University of Texas at Austin, Austin, TX 78712, USA.
Angewandte Chemie (International Ed. in English)
|December 6, 2008
Summary
Microbial natural products
Area of Science:
- Biochemistry
- Synthetic biology
- Natural product chemistry
Background:
- Many microbial natural products possess biological activity due to sugar components.
- Modifying these sugar structures can significantly alter compound properties.
- Understanding sugar biosynthesis is key to modifying these natural products.
Purpose of the Study:
- To explore the derivatization of sugar moieties in natural products.
- To leverage microbial sugar biosynthetic machinery for glycodiversification.
- To develop novel glycoforms of secondary metabolites with enhanced biomedical applications.
Main Methods:
- Investigating biosynthetic pathways of target sugars.
- Characterizing key enzymes involved in sugar assembly.
- Employing metabolic pathway engineering and enzymatic glycodiversification.
Main Results:
- Identified a conserved set of enzyme activities for diverse sugar synthesis.
- Discovered relaxed substrate specificity in many sugar biosynthetic enzymes and glycosyltransferases.
- Demonstrated the potential for modifying natural product glycosylation patterns.
Conclusions:
- Enzymatic glycodiversification offers a powerful approach to generate novel natural product glycoforms.
- Exploiting promiscuous enzymes enables targeted modification of sugar structures.
- This research facilitates the development of new glycosylation tools for biomedical research.
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