Genetic engineering to produce polyketide analogues

Area of Science:

• Natural Product Chemistry
• Biotechnology
• Drug Discovery

Background:

• Polyketides are a diverse class of natural products with significant pharmaceutical applications.
• Chemical synthesis of polyketide analogues is limited to accessible functional groups.
• Modular polyketide synthases (PKS) offer a platform for generating structural diversity through genetic engineering.

Purpose of the Study:

• To provide a guide for engineering polyketide synthases (PKS) to create novel analogues.
• To discuss strategies for expanding the repertoire of polyketide drug candidates.
• To highlight recent advancements in polyketide engineering.

Main Methods:

• Genetic engineering of modular polyketide synthases (PKS) by altering catalytic domains or modules.
• Utilizing colinearity in PKS to control structural features of polyketides.
• Incorporating chemically synthesized precursors into engineered PKS assembly lines.

Main Results:

• Demonstration of genetic engineering strategies for PKS, including domain manipulation and module reorganization.
• Expansion of polyketide analogue diversity through precursor feeding.
• Identification of successful strategies for polyketide engineering.

Conclusions:

• Genetic engineering of PKS is a powerful tool for generating diverse polyketide analogues for drug development.
• Combining genetic engineering with precursor feeding offers a versatile approach to analogue synthesis.
• This review provides insights for future polyketide engineering projects.