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YONG Wai-Kuan LIM Phaik-Eem VELLO Vejeysri SIM Kae-Shin ABDUL MAJID Nazia MUSTAFA Emienour Muzalina NIK SULAIMAN Nik Meriam LIEW Kan-Ern CHEN Brenna Jia-Tian PHANG Siew-Moi 《海洋湖沼学报（英文）》2019,(1):186-198
A freshwater green microalgae Chlorella sp., UMACC344 was shown to produce high lipid content and has the potential to be used as feedstock for biofuel production. In this study, photosynthetic effciency, biochemical pro?les and non-targeted metabolic pro?ling were studied to compare between the nitrogen-replete and deplete conditions. Slowed growth, change in photosynthetic pigments and lowered photosynthetic effciency were observed in response to nitrogen deprivation. Biochemical pro?les of the cultures showed an increased level of carbohydrate, lipids and total fatty acids, while the total soluble protein content was lowered. A trend of fatty acid saturation was observed in the nitrogen-deplete culture with an increase in the level of saturated fatty acids especially C16:0 and C18:0, accompanied by a decrease in proportions of monounsaturated and polyunsaturated fatty acids. Fifty-nine metabolites, including amino acids, lipids, phytochemical compounds, vitamins and cofactors were signi?cantly dysregulated and annotated in this study. Pathway mapping analysis revealed a rewiring of metabolic pathways in the cells, particularly purine, carotenoid, nicotinate and nicotinamide, and amino acid metabolisms. Within the treatment period of nitrogen deprivation, the key processes involved were reshu ? ing of nitrogen from proteins and photosynthetic machinery, together with carbon repartitioning in carbohydrates and lipids. 相似文献
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Yong Wai-Kuan Lim Phaik-Eem Vello Vejeysri Sim Kae-Shin Abdul Majid Nazia Mustafa Emienour Muzalina Nik Sulaiman Nik Meriam Liew Kan-Ern Chen Brenna Jia-Tian Phang Siew-Moi 《中国海洋湖沼学报》2019,37(1):186-198
Journal of Oceanology and Limnology - A freshwater green microalgae Chlorella sp., UMACC344 was shown to produce high lipid content and has the potential to be used as feedstock for biofuel... 相似文献
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