Production of biofuels from C1-gases with Clostridium and related bacteria—Recent advances
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Production of biofuels from C1-gases with Clostridium and related bacteria—Recent advancesAuthor(s)
Date
2023Citation
Fernández-Blanco, C., Robles-Iglesias, R., Naveira-Pazos, C., Veiga,M.C. & Kennes, C. (2023) Production of biofuelsfrom C1-gases with Clostridium and relatedbacteria— Recent advances. MicrobialBiotechnology, 16, 726–741. Available from: https://doi.org/10.1111/1751-7915.14220
Abstract
[Abstract] Clostridium spp. are suitable for the bioconversion of C1-gases (e.g., CO2, CO and syngas) into different bioproducts. These products can be used as biofuels and are reviewed here, focusing on ethanol, butanol and hexanol, mainly. The production of higher alcohols (e.g., butanol and hexanol) has hardly been reviewed. Parameters affecting the optimization of the bioconversion process and bioreactor performance are addressed as well as the pathways involved in these bioconversions. New aspects, such as mixotrophy and sugar versus gas fermentation, are also reviewed. In addition, Clostridia can also produce higher alcohols from the integration of the Wood-Ljungdahl pathway and the reverse ß-oxidation pathway, which has also not yet been comprehensively reviewed. In the latter process, the acetogen uses the reducing power of CO/syngas to reduce C4 or C6 fatty acids, previously produced by a chain elongating microorganism (commonly Clostridium kluyveri), into the corresponding bioalcohol.
Keywords
Biofuels
C1-gases
Alcohol
Clostridium
C1-gases
Alcohol
Clostridium
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Creative Commons Attribution-NonCommercial-NoDerivs License CC-BY-NC-ND