Optimizing Cupriavidus necator H16 as a host for aerobic C1 conversion
Stefano Donati1, Christopher W Johnson2
1The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, 2800 Kongens Lyngby, Denmark.
Current Opinion in Biotechnology
|April 25, 2025
Summary
Cupriavidus necator is a versatile bacterium ideal for biomanufacturing. Its ability to grow on carbon dioxide (CO2) makes it a leading candidate for sustainable production of fuels, foods, and materials in a circular bioeconomy.
Area of Science:
- Biotechnology and Biomanufacturing
- Microbial Engineering
- Sustainable Chemistry
Background:
- Biological systems offer solutions for reducing carbon emissions and creating a circular bioeconomy.
- Microorganisms are crucial for assimilating single-carbon (C1) compounds into valuable products.
- Aerobic respiring microbes are particularly suited for synthesizing higher molecular weight products.
Purpose of the Study:
- To review the characteristics of Cupriavidus necator for C1-based biomanufacturing.
- To highlight research advancements in utilizing C. necator for industrial bioconversion.
- To underscore the bacterium's potential in establishing a sustainable bioeconomy.
Main Methods:
- Review of existing literature on Cupriavidus necator's metabolic capabilities.
- Analysis of C. necator's suitability as a host for aerobic C1 compound assimilation.
- Examination of genetic and physiological traits relevant to industrial biomanufacturing.
Main Results:
- Cupriavidus necator demonstrates robust aerobic growth on CO2.
- The bacterium possesses metabolic versatility, rapid growth to high cell densities, and genetic amenability.
- These traits position C. necator as a leading host for C1-based biomanufacturing.
Conclusions:
- Cupriavidus necator is a highly promising microorganism for sustainable biomanufacturing.
- Its established use in biopolymer production and recent advancements in CO2 utilization support its role in a circular bioeconomy.
- Further research leveraging its metabolic versatility and genetic tractability will enhance its industrial bioconversion applications.
