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FEMS Microbiol Lett. 2014 May;354(2):102-10. doi: 10.1111/1574-6968.12436. Epub 2014 Apr 17.

Potential application of algicidal bacteria for improved lipid recovery with specific algae.

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Department of Bioproducts and Biosystems Engineering and Biotechnology Institute, University of Minnesota, St. Paul, MN, USA.


The utility of specific strains of natural algicidal bacteria isolated from shallow wetland sediments was evaluated against several strains of algae with potential immediate or future commercial value. Two strains of bacteria, Pseudomonas pseudoalcaligenes AD6 and Aeromonas hydrophila AD9, were identified and demonstrated to have algicidal activity against the microalgae Neochloris oleoabundans and Dunaliella tertiolecta. These bacteria were further evaluated for the potential to improve lipid extraction using a mild solvent extraction approach. Aeromonas hydrophila AD9 showed a nearly 12-fold increase in lipid extraction with D. tertiolecta, while both bacteria showed a sixfold improvement in lipid extraction with N. oleoabundans.


Aeromonas hydrophila; Dunaliella tertiolecta; Neochloris oleoabundans; Pseudomonas pseudoalcaligenes; algicidal

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