Cell-free protein synthesis in microcompartments towards cell-cell communication

Area of Science:

• Synthetic Biology
• Biotechnology
• Biophysics

Background:

• Bottom-up synthetic biology aims to create programmable biological units, termed synthetic cells.
• Microfluidics and cell-free protein expression systems define synthetic cell limits and enable distributed functions.
• Cell-cell communication is crucial for complex biological systems and a key target for synthetic cell engineering.

Purpose of the Study:

• To review and compare strategies for reconstituting cell-cell communication among synthetic cells.
• To highlight experimental setups and engineered communication modes in microcompartmentalized cell-free systems.
• To analyze the trade-offs between programmability and biomimicry influenced by communication parameters.

Main Methods:

• Focus on microcompartmentalization strategies using cell-free expression systems and genetic material.
• Comparison of different synthetic cell communication modes based on permeability, resource renewal, stability, and scalability.
• Analysis of genetic circuits enabling signaling, processing, and output generation in synthetic cell assemblies.

Main Results:

• Various experimental setups for synthetic cell communication have been developed.
• Different communication modes offer trade-offs between programmability and biomimicry.
• Genetic circuits are enabling key stages of intercellular communication (signaling, processing, output).

Conclusions:

• Engineered cell-cell communication is advancing synthetic cell capabilities.
• Progress in synthetic cell communication holds significant promise for synthetic biology and biotechnology.
• Further development is expected to enhance the programmability and biomimicry of synthetic cell systems.