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Effect of Fe3+ on the growth and lipid content of Isochrysis galbana
Liu Zhiyuan1; Wang Guangce2; Wang, GC (reprint author), Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China.
2014
发表期刊CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
卷号32期号:1页码:47-53
文章类型Article
摘要Inducing lipid accumulation in microalgae cells without suppressing cell growth is vital to the economical production of biodiesel from microalgae. In two experiments, we demonstrate that the cell concentration and lipid content of marine microalgae Isochrysis galbana depend upon the iron concentration in the growth media. In Experiment I, adding chelated FeCl3 to the medium at the late exponential growth phase prolonged this phase and increased the lipid content in I. galbana cells. The final cell density and lipid content of I. galbana supplemented with chelated FeCl3 was approximately 2 and 1.65 times higher than that of non-supplemented cultures, respectively. In Experiment II, I. galbana cells in the late exponential phase were collected and re-inoculated into new media containing Fe3+ at various concentrations. The final cell concentration and lipid content were maximized at the highest iron concentration (38% biomass by dry weight at 1.2x10(-5) mol/L Fe3+). In this study, intracellular neutral lipid storage was evaluated by fluorescent spectrophotometry using fluorochrome Nile red, and the measurement conditions were optimized.
关键词Biodiesel Cell Density Iron Microalgae Nile Red
学科领域Marine & Freshwater Biology ; Oceanography
DOI10.1007/s00343-014-3110-x
收录类别SCI
语种英语
WOS记录号WOS:000332003500005
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/24108
专题实验海洋生物学重点实验室
通讯作者Wang, GC (reprint author), Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China.
作者单位1.Hainan Univ, Coll Oceanol, Haikou 570228, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
推荐引用方式
GB/T 7714
Liu Zhiyuan,Wang Guangce,Wang, GC . Effect of Fe3+ on the growth and lipid content of Isochrysis galbana[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2014,32(1):47-53.
APA Liu Zhiyuan,Wang Guangce,&Wang, GC .(2014).Effect of Fe3+ on the growth and lipid content of Isochrysis galbana.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,32(1),47-53.
MLA Liu Zhiyuan,et al."Effect of Fe3+ on the growth and lipid content of Isochrysis galbana".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 32.1(2014):47-53.
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