Metabolic engineering of microorganisms for carbon dioxide utilization

Area of Science:

• Biotechnology
• Environmental Science
• Synthetic Biology

Background:

• The climate crisis necessitates sustainable development and greenhouse gas mitigation.
• Carbon dioxide (CO2) utilization is a key strategy for reducing emissions.
• Metabolic engineering of microorganisms presents a significant potential for CO2 assimilation.

Purpose of the Study:

• To review advancements in microbial CO2 utilization.
• To explore strategies for enhancing CO2 fixation efficiency in microorganisms.
• To highlight the conversion of CO2 into valuable end-products.

Main Methods:

• Engineering of endogenous and synthetic CO2 fixation pathways.
• Optimization of metabolic flux and cofactor availability.
• Manipulation of regulatory genes and utilization of evolutionary and enzyme engineering.
• Implementation of CO2 concentrating mechanisms.

Main Results:

• Improved CO2 assimilation efficiency through various engineering strategies.
• Successful conversion of CO2 into biofuels, bioplastics, and chemicals.
• Demonstrated potential of both native and synthetic autotrophic microorganisms.

Conclusions:

• Metabolic engineering is a powerful tool for microbial CO2 utilization.
• Enhanced CO2 fixation pathways and optimized metabolic processes are crucial.
• Microbial CO2 conversion offers sustainable routes to valuable products.