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Strengthening Carbon Concentrating Mechanisms of Ambient CO2 with OLA@KAUST-7 Nanoparticles for Producing Microalgal Biomass
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DOI：10.1016/j.jbiotec.2026.04.021.png)
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Abstract
En 中文
• Hydrolytically stable OLA@KAUST-7 acts as an efficient CO2 carrier to overcome mass transfer limitations in ambient air. • Biomass productivity increased by 53.06% with a 55.7% enhancement in CO2 to HCO3- conversion efficiency. • Transcriptomic profiling reveals coordinated up-regulation of genes in photosystems (Lhcb, psbO) and central energy metabolism (gpi, aco). • Pigment biosynthesis is significantly boosted via the up-regulated HEMA1, psy, and lycB pathways for maximized light-harvesting. • Extracellular polymeric substances (EPS) function as a biological carbon reservoir and a protective shield against nanoparticle stress.
Keywords:
CO2 carrier
microalgal biomass
transcriptomic profiling
pigment biosynthesis
extracellular polymeric substances
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