Photosynthetic species composition determines bioplastics production in microbiomes: Strategy to enrich cyanobacteria PHB-producers
ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS(2024)
摘要
The aim of this study was to set the operating mode in regards to nutrients, temperature and light to use as a strategy to enrich a microbiome rich in cyanobacteria in polyhydroxybutyrate (PHB)-producers in order to enhance the biopolymer production. Alternate growth and accumulation phases were conducted for 197 days in a 3 L photobioreactor. Although, presence of green algae potentially reduced PHB production, the microbiome produced up to 22 % dry cell weight (dcw) PHB. Results highlighted the important role of culture composition and suggested that this methodology could be applied to a robust microbiome rich in cyanobacteria to boost PHB production.
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关键词
Polyhydroxyalkanoate,Microbiome,Biopolymer production,Enhancement strategy
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