Mychonastes aferHSO-3-1 as a potential new source of biodiesel
Yuan,Cheng1,2; Liu,Junhan1; Fan,Yong1; Ren,Xiaohui2; Hu,Guangrong1; Li,Fuli1
Source PublicationBiotechnology for Biofuels
AbstractAbstractBackgroundBiodiesel is considered to be a promising future substitute for fossil fuels, and microalgae are one source of biodiesel. The ratios of lipid, carbohydrates and proteins are different in different microalgal species, and finding a good strain for oil production remains a difficult prospect. Strains producing valuable co-products would improve the viability of biofuel production.ResultsIn this study, we performed sequence analysis of the 18S rRNA gene and internal transcribed spacer (ITS) of an algal strain designated HSO-3-1, and found that it was closely related to the Mychonastes afer strain CCAP 260/6. Morphology and cellular structure observation also supported the identification of strain HSO-3-1 as M. afer. We also investigated the effects of nitrogen on the growth and lipid accumulation of the naturally occurring M. afer HSO-3-1, and its potential for biodiesel production. In total, 17 fatty acid methyl esters (FAMEs) were identified in M. afer HSO-3-1, using gas chromatography/mass spectrometry. The total lipid content of M. afer HSO-3-1 was 53.9% of the dry cell weight, and we also detected nervonic acid (C24:1), which has biomedical applications, making up 3.8% of total fatty acids. The highest biomass and lipid yields achieved were 3.29 g/l and 1.62 g/l, respectively, under optimized conditions.ConclusionThe presence of octadecenoic and hexadecanoic acids as major components, with the presence of a high-value component, nervonic acid, renders M. afer HSO-3-1 biomass an economic feedstock for biodiesel production.
WOS IDBMC:10.1186/1754-6834-4-47
PublisherBioMed Central
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Document Type期刊论文
Corresponding AuthorLi,Fuli
Affiliation1.Chinese Academy of Sciences; Shandong Provincial Key Laboratory of Energy Genetics, Qingdao Institute of Bioenergy and Bioprocess Technology
2.Ocean College of Hebei Agriculture University
Recommended Citation
GB/T 7714
Yuan,Cheng,Liu,Junhan,Fan,Yong,et al. Mychonastes aferHSO-3-1 as a potential new source of biodiesel[J]. Biotechnology for Biofuels,2011,4(1).
APA Yuan,Cheng,Liu,Junhan,Fan,Yong,Ren,Xiaohui,Hu,Guangrong,&Li,Fuli.(2011).Mychonastes aferHSO-3-1 as a potential new source of biodiesel.Biotechnology for Biofuels,4(1).
MLA Yuan,Cheng,et al."Mychonastes aferHSO-3-1 as a potential new source of biodiesel".Biotechnology for Biofuels 4.1(2011).
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