Generation of new complestatin analogues by heterologous expression of the complestatin biosynthetic gene cluster from Streptomyces chartreusis AN1542

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Title
Generation of new complestatin analogues by heterologous expression of the complestatin biosynthetic gene cluster from Streptomyces chartreusis AN1542
Author(s)
Ok Kyung Park; Ha Young Choi; Geon Woo Kim; Won Gon Kim
Bibliographic Citation
Chembiochem, vol. 17, no. 18, pp. 1725-1731
Publication Year
2016
Abstract
The heterologous expression of the biosynthetic gene cluster (BGC) of natural products enables the production of complex metabolites in a well-characterized host, and facilitates the generation of novel analogues by the manipulation of the genes. However, the BGCs of glycopeptides such as vancomycin, teicoplanin, and complestatin are usually too large to be directly cloned into a single cosmid. Here, we describe the heterologous expression of the complestatin BGC. The 54.5 kb cluster was fully reconstituted from two overlapping cosmids into one cosmid by λ-RED recombination-mediated assembly. Heterologous expression of the assembled gene cluster in Streptomyces lividans TK24 resulted in the production of complestatin. Deletion of cytochrome P450 monooxygenase genes (open reading frames 10 and 11) and heterologous expression of the modified clusters led to the production of two new monocyclic and linear derivatives, complestatins M55 and S56.
Keyword
antibioticsbiosynthesiscomplestatincosmid assemblyheterologous expression
ISSN
1439-4227
Publisher
Wiley
DOI
http://dx.doi.org/10.1002/cbic.201600241
Type
Article
Appears in Collections:
Division of Research on National Challenges > Infectious Disease Research Center > 1. Journal Articles
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