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Response of growth and fatty acid compositions of Nannochloropsis sp to environmental factors under elevated CO2 concentration
Hu, Hanhua; Gao, Kunshan; Hu, HH, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2006-07-01
Source PublicationBIOTECHNOLOGY LETTERS
ISSN0141-5492
Volume28Issue:13Pages:987-992
AbstractNannochloropsis sp. was grown with different levels of nitrate, phosphate, salinity and temperature with CO2 at 2,800 mu l l(-1). Increased levels of NaNO3 and KH2PO4 raised protein and polyunsaturated fatty acids (PUFAs) contents but decreased carbohydrate, total lipid and total fatty acids (TFA) contents. Nannochloropsis sp. grew well at salinities from 22 to 49 g l(-1), and lowering salinity enhanced TFA and PUFAs contents. TFA contents increased with the increasing temperature but PUFAs contents decreased. The highest eicosapentaenoic acid (EPA, 20:5 omega 3) content based on the dry mass was above 3% under low N (150 mu M NaNO3) or high N (3000 mu M NaNO3) condition. Excessive nitrate, low salinity and temperature are thus favorable factors for improving EPA yields in Nannochloropsis sp.; Nannochloropsis sp. was grown with different levels of nitrate, phosphate, salinity and temperature with CO2 at 2,800 mu l l(-1). Increased levels of NaNO3 and KH2PO4 raised protein and polyunsaturated fatty acids (PUFAs) contents but decreased carbohydrate, total lipid and total fatty acids (TFA) contents. Nannochloropsis sp. grew well at salinities from 22 to 49 g l(-1), and lowering salinity enhanced TFA and PUFAs contents. TFA contents increased with the increasing temperature but PUFAs contents decreased. The highest eicosapentaenoic acid (EPA, 20:5 omega 3) content based on the dry mass was above 3% under low N (150 mu M NaNO3) or high N (3000 mu M NaNO3) condition. Excessive nitrate, low salinity and temperature are thus favorable factors for improving EPA yields in Nannochloropsis sp.
SubtypeArticle
KeywordCo2 Eicosapentaenoic Acid Nannochloropsis Sp. Nutrient Polyunsaturated Fatty Acids Salinity Temperature
Subject AreaBiotechnology & Applied Microbiology
DepartmentChinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; Shantou Univ, Marine Biol Inst, Shantou 515063, Peoples R China
DOI10.1007/s10529-006-9026-6
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaBiotechnology & Applied Microbiology
WOS SubjectBiotechnology & Applied Microbiology
WOS KeywordBIOCHEMICAL-COMPOSITION ; EICOSAPENTAENOIC ACID ; TEMPERATURE ; MICROALGAE ; PHYTOPLANKTON ; NITROGEN
WOS IDWOS:000238774200006
Citation statistics
Cited Times:102[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/8934
Collection中科院水生所知识产出(2009年前)
Corresponding AuthorHu, HH, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2.Shantou Univ, Marine Biol Inst, Shantou 515063, Peoples R China
Recommended Citation
GB/T 7714
Hu, Hanhua,Gao, Kunshan,Hu, HH, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China. Response of growth and fatty acid compositions of Nannochloropsis sp to environmental factors under elevated CO2 concentration[J]. BIOTECHNOLOGY LETTERS,2006,28(13):987-992.
APA Hu, Hanhua,Gao, Kunshan,&Hu, HH, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China.(2006).Response of growth and fatty acid compositions of Nannochloropsis sp to environmental factors under elevated CO2 concentration.BIOTECHNOLOGY LETTERS,28(13),987-992.
MLA Hu, Hanhua,et al."Response of growth and fatty acid compositions of Nannochloropsis sp to environmental factors under elevated CO2 concentration".BIOTECHNOLOGY LETTERS 28.13(2006):987-992.
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