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The production of polyhydroxyalkanoate (PHA) using CO2 through hydrogen-oxidizing bacteria under safe, non-explosive conditions is making impressive strides. The present study aimed to evaluate and demonstrate the growth and productivity of PHA by Cupriavidus sp. CY-1 under different non-explosive conditions, thereby providing critical data for practical applications. The experimental results highlighted the efficiency of the CY-1 strain in PHA biosynthesis, achieving a production rate of 11.87 g L−1, which corresponds to a 90.6% yield when fermenting a gaseous substrate composed of H2 (70%), O2 (20%), and CO2 (10%).

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This page is a summary of: Enhanced polyhydroxyalkanoate biosynthesis by Cupriavidus sp. CY-1 utilizing CO2 under controlled non-explosive conditions, Chemosphere, March 2025, Elsevier,
DOI: 10.1016/j.chemosphere.2025.144181.
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