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- Publisher Website: 10.3390/md15110357
- Scopus: eid_2-s2.0-85036556354
- PMID: 29137149
- WOS: WOS:000416600200027
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Article: Physiological and biochemical changes reveal differential patterns of docosahexaenoic acid partitioning in two marine algal strains of Isochrysis
Title | Physiological and biochemical changes reveal differential patterns of docosahexaenoic acid partitioning in two marine algal strains of Isochrysis |
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Authors | |
Keywords | DHA distribution Fatty acid profile Neutral lipids Nitrogen deficiency |
Issue Date | 2017 |
Citation | Marine Drugs, 2017, v. 15, n. 11, article no. 357 How to Cite? |
Abstract | The marine microalgae Isochrysis are a good producer of natural docosahexaenoic acid (DHA). To better understand the patterns of DHA accumulation and distribution, two Isochrysis strains, CL153180 and CCMP462, were evaluated in this study. In a batch culture, CL153180 showed a decline in DHA content while CCMP462 exhibited a progressive increase during the late growth period when nitrogen was almost exhausted. In response to nitrogen deficiency (ND), both strains showed a considerable increase in neutral lipids (NL) at the expense of glycolipids (GL) but had little variation in phospholipids (PL). In CL153180, the DHA percentage of NL decreased gradually upon ND, while that in CCMP462 increased progressively to 21.4% after 4 days of ND, which is around 5-fold higher than CL153180. Accordingly, in contrast to CL153180 that stored DHA predominantly in GL, CCMP462 accumulated DHA mainly in NL in late days of ND. Taken together, we proposed a working model for the differential DHA partitioning patterns between two Isochrysis strains: for CCMP462, the degradation of GL released free fatty acids including DHA, which was incorporated into NL upon ND; whereas for CL153180, the released DHA from GL might not be incorporated into NL, and, consequently, might be subject to β-oxidation for degradation. |
Persistent Identifier | http://hdl.handle.net/10722/329478 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Sun, Zheng | - |
dc.contributor.author | Chen, Yong | - |
dc.contributor.author | Mao, Xuemei | - |
dc.contributor.author | Liu, Jin | - |
dc.date.accessioned | 2023-08-09T03:33:04Z | - |
dc.date.available | 2023-08-09T03:33:04Z | - |
dc.date.issued | 2017 | - |
dc.identifier.citation | Marine Drugs, 2017, v. 15, n. 11, article no. 357 | - |
dc.identifier.uri | http://hdl.handle.net/10722/329478 | - |
dc.description.abstract | The marine microalgae Isochrysis are a good producer of natural docosahexaenoic acid (DHA). To better understand the patterns of DHA accumulation and distribution, two Isochrysis strains, CL153180 and CCMP462, were evaluated in this study. In a batch culture, CL153180 showed a decline in DHA content while CCMP462 exhibited a progressive increase during the late growth period when nitrogen was almost exhausted. In response to nitrogen deficiency (ND), both strains showed a considerable increase in neutral lipids (NL) at the expense of glycolipids (GL) but had little variation in phospholipids (PL). In CL153180, the DHA percentage of NL decreased gradually upon ND, while that in CCMP462 increased progressively to 21.4% after 4 days of ND, which is around 5-fold higher than CL153180. Accordingly, in contrast to CL153180 that stored DHA predominantly in GL, CCMP462 accumulated DHA mainly in NL in late days of ND. Taken together, we proposed a working model for the differential DHA partitioning patterns between two Isochrysis strains: for CCMP462, the degradation of GL released free fatty acids including DHA, which was incorporated into NL upon ND; whereas for CL153180, the released DHA from GL might not be incorporated into NL, and, consequently, might be subject to β-oxidation for degradation. | - |
dc.language | eng | - |
dc.relation.ispartof | Marine Drugs | - |
dc.subject | DHA distribution | - |
dc.subject | Fatty acid profile | - |
dc.subject | Neutral lipids | - |
dc.subject | Nitrogen deficiency | - |
dc.title | Physiological and biochemical changes reveal differential patterns of docosahexaenoic acid partitioning in two marine algal strains of Isochrysis | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.3390/md15110357 | - |
dc.identifier.pmid | 29137149 | - |
dc.identifier.scopus | eid_2-s2.0-85036556354 | - |
dc.identifier.volume | 15 | - |
dc.identifier.issue | 11 | - |
dc.identifier.spage | article no. 357 | - |
dc.identifier.epage | article no. 357 | - |
dc.identifier.eissn | 1660-3397 | - |
dc.identifier.isi | WOS:000416600200027 | - |