Tethered Ribosomes: Toward the Synthesis of Nonproteinogenic Polymers in Bacteria

Area of Science:

• Molecular Biology
• Synthetic Biology
• Biotechnology

Background:

• Ribosomes are essential for protein synthesis, ensuring high fidelity and efficiency.
• Repurposing ribosomes for nonproteinogenic (bio)polymer synthesis offers significant potential.
• Tethered ribosomes, with linked subunits, allow for functional evolution without disrupting native translation.

Purpose of the Study:

• To review the design and optimization of orthogonal and tethered ribosomes.
• To highlight engineering efforts enabling new functions in designer ribosomes.
• To discuss future prospects and challenges in synthesizing tailor-made (bio)polymers using ribosomes.

Main Methods:

• Review of existing literature on ribosome structure, function, and biogenesis.
• Exploration of design strategies for orthogonal and tethered ribosomes.
• Analysis of engineering approaches for evolving novel ribosomal functions.

Main Results:

• Tethered ribosomes can be designed and optimized for specific applications.
• Engineered ribosomes have demonstrated the ability to evolve new functions.
• The review provides a comprehensive overview of the field.

Conclusions:

• Tethered ribosomes represent a promising platform for synthesizing custom (bio)polymers.
• Further research and engineering are needed to overcome current challenges.
• This technology has broad implications for fundamental science, bioengineering, and synthetic biology.