Engineering highly productive cyanobacteria towards carbon negative emissions technologies

Area of Science:

• Biotechnology
• Environmental Science
• Microbiology

Background:

• Cyanobacteria are vital photosynthetic prokaryotes contributing to the global carbon cycle.
• Cyanobacterial biotechnology presents opportunities for sustainable bioeconomies and negative emissions technologies (NETs).
• Current limitations include low productivities and high infrastructure costs, hindering commercialization.

Purpose of the Study:

• To explore the potential of cyanobacteria in NETs.
• To identify strategies for improving cyanobacterial productivity and reducing costs.
• To highlight advancements in metabolic engineering and coculture systems for cyanobacterial applications.

Main Methods:

• Isolation of fast-growing cyanobacterial strains.
• Application of advanced molecular biology tools.
• Metabolic engineering guided by high-throughput screening and metabolic models.
• Engineering of coculture communities.

Main Results:

• Identification of promising new avenues for improving yields in cyanobacterial applications.
• Development of strategies to enhance productivity and robustness of culturing systems.
• Potential for overcoming commercialization barriers in cyanobacterial biotechnology.

Conclusions:

• Cyanobacterial biotechnology holds significant promise for sustainable bioeconomies and NETs.
• Advancements in metabolic engineering and coculture systems are key to unlocking this potential.
• Further research can lead to more efficient and cost-effective carbon capture and bioproduction solutions.