Synthetic Biology Strategies and Tools to Modulate Photosynthesis in Microbes

Area of Science:

• Biotechnology
• Synthetic Biology
• Microbiology

Background:

• Photosynthetic microbes (cyanobacteria, microalgae) offer sustainable solutions but face efficiency limitations in biomanufacturing.
• Suboptimal photosynthetic efficiency hinders industrial applications of these valuable microorganisms.

Purpose of the Study:

• To review synthetic biology strategies for optimizing photosynthesis in cyanobacteria and microalgae.
• To identify challenges and propose solutions for large-scale bioproduction using engineered photosynthetic microbes.

Main Methods:

• Review of recent advancements in synthetic biology for photosynthetic regulation.
• Focus on strategies enhancing light absorption, electron transport, and carbon assimilation.
• Discussion of challenges in strain stability, metabolic burden, and scalability.

Main Results:

• Synthetic biology enables rational optimization of photosynthetic pathways.
• Key strategies include enhancing light harvesting, optimizing electron flow, and improving carbon fixation.
• Significant challenges exist in translating lab-scale modifications to industrial bioproduction.

Conclusions:

• Synthetic biology shows promise for boosting photosynthetic efficiency in microbes.
• Overcoming bottlenecks in scalability, stability, and metabolic load is crucial for industrial success.
• Future directions include AI-driven engineering and advanced photobioreactor designs.