Abstract
Bioactive natural products are frequently glycosylated with saccharide chains of variable length. These sugars are important for the biological activity of the compounds and they contribute to the interaction with the biological target. The increasing knowledge of sugar biosynthesis pathways and the isolation of a large number of sugar gene clusters from antibiotic-producing actinomycetes are providing tools for combinatorial biosynthesis approaches that can generate potentially improved derivatives with altered sugars in their architecture. Novel derivatives of known bioactive natural products can be produced either in the producer organisms or in heterologous hosts by using different combinatorial biosynthesis strategies. In this article, recent advances in the field are discussed, illustrating the alternative approaches of gene inactivation, gene expression, combining gene inactivation and gene expression, co-expression of genes from different pathways or the use of sugar cassette plasmids to endow a host with the capability of synthesizing new sugars.
Keywords: Actinomycetes, Host Sugar Pathways, microorganisms, sugar biosynthesis genes, L-oleandrose, Elloramycin
Current Topics in Medicinal Chemistry
Title: Deoxysugars in Bioactive Natural Products: Development of Novel Derivatives by Altering the Sugar Pattern
Volume: 8 Issue: 8
Author(s): Carmen Mendez, Andriy Luzhetskyy, Andreas Bechthold and Jose A. Salas
Affiliation:
Keywords: Actinomycetes, Host Sugar Pathways, microorganisms, sugar biosynthesis genes, L-oleandrose, Elloramycin
Abstract: Bioactive natural products are frequently glycosylated with saccharide chains of variable length. These sugars are important for the biological activity of the compounds and they contribute to the interaction with the biological target. The increasing knowledge of sugar biosynthesis pathways and the isolation of a large number of sugar gene clusters from antibiotic-producing actinomycetes are providing tools for combinatorial biosynthesis approaches that can generate potentially improved derivatives with altered sugars in their architecture. Novel derivatives of known bioactive natural products can be produced either in the producer organisms or in heterologous hosts by using different combinatorial biosynthesis strategies. In this article, recent advances in the field are discussed, illustrating the alternative approaches of gene inactivation, gene expression, combining gene inactivation and gene expression, co-expression of genes from different pathways or the use of sugar cassette plasmids to endow a host with the capability of synthesizing new sugars.
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Cite this article as:
Mendez Carmen, Luzhetskyy Andriy, Bechthold Andreas and Salas A. Jose, Deoxysugars in Bioactive Natural Products: Development of Novel Derivatives by Altering the Sugar Pattern, Current Topics in Medicinal Chemistry 2008; 8 (8) . https://dx.doi.org/10.2174/156802608784221532
DOI https://dx.doi.org/10.2174/156802608784221532 |
Print ISSN 1568-0266 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4294 |
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