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Acyltransferases as Tools for Polyketide Synthase Engineering.

Ewa Maria Musiol-Kroll1, Wolfgang Wohlleben2

  • 1Interfakultäres Institut für Mikrobiologie und Infektionsmedizin, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 28, 72076 Tübingen, Germany. ewa.musiol@biotech.uni-tuebingen.de.

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Summary
This summary is machine-generated.

Polyketide synthases (PKSs) assemble valuable natural products. Acyltransferase (AT) domains within PKSs control building block incorporation, offering potential for engineering novel compounds.

Keywords:
acyltransferasesengineeringnatural productsnew bioactive compoundspolyketide synthasespolyketides

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Area of Science:

  • Natural Product Biosynthesis
  • Enzymology
  • Synthetic Biology

Background:

  • Polyketides are a vital class of natural products with diverse bioactivities, including pharmaceuticals.
  • Polyketide synthases (PKSs) are large enzyme complexes responsible for their assembly.
  • Modular PKSs utilize discrete modules, each containing catalytic domains like acyltransferases (ATs) and acyl carrier proteins (ACPs).

Purpose of the Study:

  • To review engineering strategies for polyketide synthases (PKSs) by focusing on acyltransferase (AT) domains.
  • To highlight the role of ATs in dictating precursor incorporation and influencing polyketide structural diversity.
  • To discuss the challenges and potential of AT-based PKS engineering for generating novel compounds.

Main Methods:

  • Literature review of PKS engineering efforts.
  • Analysis of AT domain specificity and function in polyketide biosynthesis.
  • Summary of studies exploiting AT attributes for polyketide structure modification.

Main Results:

  • AT domains are key determinants of building block selection in polyketide assembly.
  • Variations in AT specificity contribute significantly to the structural diversity of polyketides.
  • Engineering ATs offers a promising avenue for manipulating PKS pathways.

Conclusions:

  • Understanding AT-PKS interactions is crucial for rational PKS engineering.
  • Exploiting AT attributes enables the targeted modification of polyketide structures.
  • Further research into AT-based engineering can unlock new avenues for drug discovery.