Unlocking the potential of one-carbon gases (CO2, CO) for concomitant bioproduction of β-carotene and lipids
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Unlocking the potential of one-carbon gases (CO2, CO) for concomitant bioproduction of β-carotene and lipidsAuthor(s)
Date
2024Citation
Robles-Iglesias, R., Fernández-Blanco, C., Nicaud, J.-M., Veiga, M. C., & Kennes, C. (2024). Unlocking the potential of one-carbon gases (CO2, CO) for concomitant bioproduction of β-carotene and lipids. Ecotoxicology and Environmental Safety, 271. https://doi.org/10.1016/J.ECOENV.2024.115950
Abstract
[Abstract] This study investigates the use of a Yarrowia lipolytica strain for the bioconversion of syngas-derived acetic acid into β-carotene and lipids. A two-stage process was employed, starting with the acetogenic fermentation of syngas by Clostridium aceticum, metabolising CO, CO2, H2, to produce acetic acid, which is then utilized by Y. lipolytica for simultaneous lipid and β-carotene synthesis. The research demonstrates that acetic acid concentration plays a pivotal role in modulating lipid profiles and enhancing β-carotene production, with increased acetic acid consumption leading to higher yields of these compounds. This approach showcases the potential of using one-carbon gases as substrates in bioprocesses for generating valuable bioproducts, providing a sustainable and cost-effective alternative to more conventional feedstocks and substrates, such as sugars.
Keywords
Acetogen
Clostridium aceticum
Carbon dioxide
β-Carotene
Microbial oils
Yarrowia lipolytica
Clostridium aceticum
Carbon dioxide
β-Carotene
Microbial oils
Yarrowia lipolytica
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