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- Publisher Website: 10.1111/j.1529-8817.2008.00565.x
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Article: Salt-induced alterations in lipid composition of diatom Nitzschia laevis (Bacillariophyceae) under heterotrophic culture condition
Title | Salt-induced alterations in lipid composition of diatom Nitzschia laevis (Bacillariophyceae) under heterotrophic culture condition |
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Authors | |
Keywords | Eicosapentaenoic Acid Fatty Acid Lipid Nitzschia Laevis Salinity |
Issue Date | 2008 |
Publisher | Blackwell Publishing, Inc. The Journal's web site is located at http://www.blackwellpublishing.com/journals/JPY |
Citation | Journal Of Phycology, 2008, v. 44 n. 5, p. 1309-1314 How to Cite? |
Abstract | The diatom Nitzschia laevis Hust. is a potential producer of eicosapentaenoic acid (EPA). To elucidate its cellular response to salt stress, the effects of salinity on EPA production, lipid composition, and fatty acid distribution in the lipid pool were investigated. The highest contents of total fatty acids, EPA, and polar lipids were all obtained at NaCl of 20 g·L-1, under which 71.3% of total EPA existed in polar lipid fractions. In N. laevis, high salt concentration might induce the decrease in neutral lipids (NLs), whereas the production of polar lipids, including phospholipids (PLs) and glycolipids (GLs), was enhanced. The degree of fatty acid unsaturation of both neutral and polar lipid fractions increased sharply when NaCl concentration increased from 10 to 20 g·L-1 but decreased at NaCl concentration of 30 g·L-1. The amount of total free sterols was increased with the increase in salt concentration. All these changes in lipid and fatty acids suggested a decrease in membrane permeability and fluidity under high salt concentration, which could help the alga acclimate to the salinity stress. © 2008 Phycological Society of America. |
Persistent Identifier | http://hdl.handle.net/10722/179090 |
ISSN | 2023 Impact Factor: 2.8 2023 SCImago Journal Rankings: 0.784 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Chen, GQ | en_US |
dc.contributor.author | Jiang, Y | en_US |
dc.contributor.author | Chen, F | en_US |
dc.date.accessioned | 2012-12-19T09:51:53Z | - |
dc.date.available | 2012-12-19T09:51:53Z | - |
dc.date.issued | 2008 | en_US |
dc.identifier.citation | Journal Of Phycology, 2008, v. 44 n. 5, p. 1309-1314 | en_US |
dc.identifier.issn | 0022-3646 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/179090 | - |
dc.description.abstract | The diatom Nitzschia laevis Hust. is a potential producer of eicosapentaenoic acid (EPA). To elucidate its cellular response to salt stress, the effects of salinity on EPA production, lipid composition, and fatty acid distribution in the lipid pool were investigated. The highest contents of total fatty acids, EPA, and polar lipids were all obtained at NaCl of 20 g·L-1, under which 71.3% of total EPA existed in polar lipid fractions. In N. laevis, high salt concentration might induce the decrease in neutral lipids (NLs), whereas the production of polar lipids, including phospholipids (PLs) and glycolipids (GLs), was enhanced. The degree of fatty acid unsaturation of both neutral and polar lipid fractions increased sharply when NaCl concentration increased from 10 to 20 g·L-1 but decreased at NaCl concentration of 30 g·L-1. The amount of total free sterols was increased with the increase in salt concentration. All these changes in lipid and fatty acids suggested a decrease in membrane permeability and fluidity under high salt concentration, which could help the alga acclimate to the salinity stress. © 2008 Phycological Society of America. | en_US |
dc.language | eng | en_US |
dc.publisher | Blackwell Publishing, Inc. The Journal's web site is located at http://www.blackwellpublishing.com/journals/JPY | en_US |
dc.relation.ispartof | Journal of Phycology | en_US |
dc.subject | Eicosapentaenoic Acid | en_US |
dc.subject | Fatty Acid | en_US |
dc.subject | Lipid | en_US |
dc.subject | Nitzschia Laevis | en_US |
dc.subject | Salinity | en_US |
dc.title | Salt-induced alterations in lipid composition of diatom Nitzschia laevis (Bacillariophyceae) under heterotrophic culture condition | en_US |
dc.type | Article | en_US |
dc.identifier.email | Chen, F: sfchen@hku.hk | en_US |
dc.identifier.authority | Chen, F=rp00672 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1111/j.1529-8817.2008.00565.x | en_US |
dc.identifier.scopus | eid_2-s2.0-53549117437 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-53549117437&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 44 | en_US |
dc.identifier.issue | 5 | en_US |
dc.identifier.spage | 1309 | en_US |
dc.identifier.epage | 1314 | en_US |
dc.identifier.isi | WOS:000259866800022 | - |
dc.publisher.place | United States | en_US |
dc.identifier.scopusauthorid | Chen, GQ=13406780100 | en_US |
dc.identifier.scopusauthorid | Jiang, Y=24605346600 | en_US |
dc.identifier.scopusauthorid | Chen, F=7404907980 | en_US |
dc.identifier.citeulike | 3394472 | - |
dc.identifier.issnl | 0022-3646 | - |