Expression of a functional fungal polyketide synthase in the bacterium Streptomyces coelicolor A3(2)

Author:

Bedford D J1,Schweizer E1,Hopwood D A1,Khosla C1

Affiliation:

1. Department of Chemical Engineering, Stanford University, California 94305-5025, USA.

Abstract

The multifunctional 6-methylsalicylic acid synthase gene from Penicillium patulum was engineered for regulated expression in Streptomyces coelicolor. Production of significant amounts of 6-methylsalicylic acid by the recombinant strain was proven by nuclear magnetic resonance spectroscopy. These results suggest that it is possible to harness the molecular diversity of eukaryotic polyketide pathways by heterologous expression of biosynthetic genes in an easily manipulated model bacterial host in which prokaryotic aromatic and modular polyketide synthase genes are already expressed and recombined.

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

Reference41 articles.

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3. Analysis of the nucleotide sequence of the tcmI genes provides key information about the enzymology of polyketide antibiotic biosynthesis;Bibb M. J.;EMBO J.,1989

4. An unusually large multifunctional polypeptide in the erythromycin-producing polyketide synthase of Saccharopolyspora erythraea;Cortes J.;Nature (London),1990

5. Crosby J. D. H. Sherman M. J. Bibb W. P. Revill D. A. Hopwood and T. J. Simpson. Polyketide synthase acyl carrier proteins from Streptomyces: expression in Escherichia coli purification and partial characterisation. Biochim. Biophys. Acta in press.

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