초록 |
Biomass productivity is one of crucial factors in microalgal biofuels production. Agal growth-promoting bacteria were isolated and their effects on algal biomass productivity was investigated. From a culture of a green microalga, Tetraselmis sp. MBEgh01L, three strains of bacteria were isolated. Each isolates was added to cultures of Tetraselmis sp. MBEh04Gc, which were pre-treated with antibiotics, to investigate the effects of the isolates on microalgal biomass productivity. Antibiotics-treated algal culture without addition of bacteria was used as control. The additions of bacteria increased algal biomass productivity in all cultures compared with the control. Each bacterial strains showed different degree of biomass productivity enhancements from 24% to 76%. The mechanism of algal growth promoting effect will be investigated as the further study, and the knowledge could provide another option to increase algal biomass productivity by creating a beneficial phycosphere. |