Growth of the oleaginous microalga Aurantiochytrium sp. KRS101 on cellulosic biomass and the production of lipids containing high levels of docosahexaenoic acid

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Title
Growth of the oleaginous microalga Aurantiochytrium sp. KRS101 on cellulosic biomass and the production of lipids containing high levels of docosahexaenoic acid
Author(s)
Won Kyung Hong; Chul Ho Kim; D Rairakhwada; Seonghun Kim; B K Hur; A Kondo; Jeong-Woo Seo
Bibliographic Citation
Bioprocess and Biosystems Engineering, vol. 35, no. 1, pp. 129-133
Publication Year
2012
Abstract
We examined the growth of a novel oleaginous microalga, Aurantiochytrium sp. KRS101, using cellulosic materials as nutrients, and the resultant production of lipids containing high levels of docosahexaenoic acid (DHA). The microalgal strain could grow using either carboxymethylcellulose or cellobiose as a carbon source, and produced lipids containing high levels of DHA (49-58% of total fatty acids). In line with this growth behavior, carboxymethylcellulase and cellobiohydrolase activities were evident in both cell-free lysates and culture broths. Additionally, an industrial cellulosic biomass, palm oil empty fruit bunches (POEFB), a by-product of the palm oil industry, were utilized by the microalgal strain for cell growth and lipid production.
Keyword
AurantiochytriumCelluloseEmpty fruit bunchLipidMicroalga
ISSN
1615-7591
Publisher
Springer
DOI
http://dx.doi.org/10.1007/s00449-011-0605-0
Type
Article
Appears in Collections:
Jeonbuk Branch Institute > Microbial Biotechnology Research Center > 1. Journal Articles
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