Rapid induction of edible lipids in Chlorella by mild electric stimulation.
In this work, a new stress-based method for rapid induction of triacylglycerol (TAG) and total and polyunsaturated fatty acid accumulations in Chlorella sp. by mild electric stimulation is presented. When a cathodic current of 31 mA (voltage: 4 V) was applied to the algal cells for 4 h, the TAG content of the electro-treated cells was sharply increased to a level 2.1 times that of the untreated control. The contents of the polyunsaturated linoleic (C18:2n6) and linolenic (C18:3n3) acids in the electro-treated cells were also 36 and 57% higher than those in the untreated cells, respectively. Cyclic voltammetry and various biochemical analyses indicate that TAG and fatty acid formations are electro-stimulated via de novo fatty acid biosynthesis and metabolic transformation in the Chlorella cells.
['Choi|Sun-A|SA|', 'Lee|Soo Youn|SY|', 'Lee|Jiye|J|', 'Cho|Jun Muk|JM|', 'Lee|Jin-Suk|JS|', 'Kim|Seung Wook|SW|', 'Kim|Dong-Yeon|DY|', 'Park|Se-Kook|SK|', 'Jin|Chang-Soo|CS|', 'Oh|You-Kwan|YK|']
D002708:Chlorella D004558:Electric Stimulation D005227:Fatty Acids D005231:Fatty Acids, Unsaturated D008055:Lipids D014280:Triglycerides
Chlorella Electric stimulation Triacylglycerol Essential polyunsaturated fatty acids Lipid induction