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Combinatorial biosynthesis of erythromycin and complex polyketides

J Staunton1

  • 1Department of Chemistry, University of Cambridge, UK. js24@cam.ac.uk

Current Opinion in Chemical Biology
|August 6, 1998
PubMed
Summary

Engineered polyketide synthases (PKS) create novel natural products like antibiotics. Strategies for modifying PKS are established, enabling diverse macrolide structures and shorter polyketide chains.

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Area of Science:

  • Biochemistry
  • Synthetic Biology
  • Natural Product Chemistry

Background:

  • Modular polyketide synthases (PKS) are crucial for producing clinically significant compounds like erythromycins and lovastatins.
  • Existing PKS engineering methods allow for structural modifications to macrolide rings and starter acid residues.

Purpose of the Study:

  • To explore advanced engineering strategies for polyketide synthases.
  • To generate novel natural products with diverse structural features and potential therapeutic applications.

Main Methods:

  • Utilizing semi-synthetic methodologies and genetic engineering to alter PKS.
  • Implementing strategies to control polyketide chain length, leading to lactone or linear products.
  • Elaborating recently produced macrolides to create novel antibiotics.

Main Results:

  • Successful engineering of PKS to produce structurally varied macrolides.
  • Demonstrated ability to generate shorter polyketide chains, including various lactone ring sizes and linear products.
  • Development of novel antibiotics through the elaboration of engineered macrolides.

Conclusions:

  • Established strategies for engineering polyketide synthases enable the production of diverse natural products.
  • PKS engineering offers a powerful platform for discovering and developing new antibiotics and other valuable compounds.
  • Further elaboration of engineered macrolides holds promise for future drug discovery efforts.

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