Available methods for assembling expression cassettes for synthetic biology.

Area of Science:

• Molecular Biology
• Synthetic Biology
• Metabolic Engineering
• Structural Biology

Background:

• Efficient co-expression of multiple subunits or enzymes within a single cell is essential for studies in structural biology, metabolic engineering, and synthetic biology.
• Traditional digestion and ligation-based cloning methods for constructing multiple expression cassettes are often complicated and time-consuming.

Purpose of the Study:

• To systematically review and introduce advanced, efficient methods for constructing multiple expression cassettes.
• To provide alternatives to conventional cloning techniques for multi-gene expression.

Main Methods:

• Multiple compatible plasmid expression systems.
• Rare-cutter-based vector design.
• In vitro recombination techniques, including sequence and ligation-independent cloning (SLIC) and isothermal enzymatic assembly.
• In vivo recombination methods utilizing recombination-efficient yeast for assembly and chromosomal integration.

Main Results:

• Several advanced cloning strategies have been developed to streamline the construction of multiple expression cassettes.
• These methods offer increased efficiency and reduced time compared to traditional cloning approaches.

Conclusions:

• The reviewed methods provide powerful tools for researchers in synthetic biology, metabolic engineering, and structural biology.
• Adoption of these advanced cloning techniques can accelerate research by simplifying multi-gene expression system construction.