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Seasonal patterns in fatty acids of Calanus hyperboreus (Copepoda, Calanoida) from Cumberland Sound, Baffin Island, Nunavut
The marine copepod Calanus hyperboreus accumulates large quantities of lipids and essential fatty acids during summer months in Northern oceans. However, few data exist regarding their winter fatty acid profiles, which could be informative regarding the use of lipids by C. hyperboreus to successfull...
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| Published in: | Marine biology 2012-05, Vol.159 (5), p.1095-1105 |
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| creator | McMeans, Bailey C. Arts, Michael T. Rush, Scott A. Fisk, Aaron T. |
| description | The marine copepod
Calanus hyperboreus
accumulates large quantities of lipids and essential fatty acids during summer months in Northern oceans. However, few data exist regarding their winter fatty acid profiles, which could be informative regarding the use of lipids by
C. hyperboreus
to successfully survive and reproduce during times of ice-cover and limited food. The present study compared fatty acids of
C. hyperboreus
between summer (August 2007 and 2008) and winter (early April 2008 and 2009) in Cumberland Sound, Canada. Summer samples from both years had significantly higher ∑polyunsaturated fatty acids and unsaturation indices (based on μg fatty acid mg dry tissue
−1
) than winter samples and separated on a principal component analysis due to higher 18:2n-6, 18:4n-3, and 20:5n-3, consistent with phytoplankton consumption. Winter
C. hyperboreus
had significantly higher ∑monounsaturated fatty acids (MUFA) versus summer samples and separated on the principal component analysis due to higher proportions of 16:1n-7, 20:1n-9, and 22:1n-9, suggesting they were not actively feeding. Based on the seasonal fatty acid comparison,
C. hyperboreus
was catabolizing specific fatty acids (e.g. 20:5n-3), conserving others (e.g. 22:6n-3), and maintaining or increasing biosynthesis of certain MUFA (e.g. 18:1n-9) during winter. These findings provide insight into the seasonal strategy of acquisition (summer) and utilization (winter) of specific fatty acids by a key Arctic organism and could become important for monitoring changes in fatty acids associated with decreased ice-cover duration due to climate warming. |
| doi_str_mv | 10.1007/s00227-012-1889-6 |
| format | article |
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Calanus hyperboreus
accumulates large quantities of lipids and essential fatty acids during summer months in Northern oceans. However, few data exist regarding their winter fatty acid profiles, which could be informative regarding the use of lipids by
C. hyperboreus
to successfully survive and reproduce during times of ice-cover and limited food. The present study compared fatty acids of
C. hyperboreus
between summer (August 2007 and 2008) and winter (early April 2008 and 2009) in Cumberland Sound, Canada. Summer samples from both years had significantly higher ∑polyunsaturated fatty acids and unsaturation indices (based on μg fatty acid mg dry tissue
−1
) than winter samples and separated on a principal component analysis due to higher 18:2n-6, 18:4n-3, and 20:5n-3, consistent with phytoplankton consumption. Winter
C. hyperboreus
had significantly higher ∑monounsaturated fatty acids (MUFA) versus summer samples and separated on the principal component analysis due to higher proportions of 16:1n-7, 20:1n-9, and 22:1n-9, suggesting they were not actively feeding. Based on the seasonal fatty acid comparison,
C. hyperboreus
was catabolizing specific fatty acids (e.g. 20:5n-3), conserving others (e.g. 22:6n-3), and maintaining or increasing biosynthesis of certain MUFA (e.g. 18:1n-9) during winter. These findings provide insight into the seasonal strategy of acquisition (summer) and utilization (winter) of specific fatty acids by a key Arctic organism and could become important for monitoring changes in fatty acids associated with decreased ice-cover duration due to climate warming.</description><identifier>ISSN: 0025-3162</identifier><identifier>EISSN: 1432-1793</identifier><identifier>DOI: 10.1007/s00227-012-1889-6</identifier><identifier>CODEN: MBIOAJ</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>Animal and plant ecology ; Animal, plant and microbial ecology ; Biological and medical sciences ; Biomedical and Life Sciences ; Biosynthesis ; Calanoida ; Calanus hyperboreus ; Climate change ; Crustacea ; Crustaceans ; Environmental aspects ; Fatty acids ; Fishes ; Freshwater & Marine Ecology ; Fundamental and applied biological sciences. Psychology ; Global warming ; Invertebrates ; Life Sciences ; Lipids ; Marine ; Marine & Freshwater Sciences ; Marine biology ; Microbiology ; Oceanography ; Oceans ; Original Paper ; Physiological aspects ; Phytoplankton ; Polyunsaturated fatty acids ; Principal components analysis ; Sea water ecosystems ; Seasons ; Summer ; Synecology ; Winter ; Zoology</subject><ispartof>Marine biology, 2012-05, Vol.159 (5), p.1095-1105</ispartof><rights>Springer-Verlag 2012</rights><rights>2015 INIST-CNRS</rights><rights>COPYRIGHT 2012 Springer</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c550t-c66e427737d0a538b367aac8e3ecdf05106addc274f51fe7c283f64d89f85c463</citedby><cites>FETCH-LOGICAL-c550t-c66e427737d0a538b367aac8e3ecdf05106addc274f51fe7c283f64d89f85c463</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=25820230$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>McMeans, Bailey C.</creatorcontrib><creatorcontrib>Arts, Michael T.</creatorcontrib><creatorcontrib>Rush, Scott A.</creatorcontrib><creatorcontrib>Fisk, Aaron T.</creatorcontrib><title>Seasonal patterns in fatty acids of Calanus hyperboreus (Copepoda, Calanoida) from Cumberland Sound, Baffin Island, Nunavut</title><title>Marine biology</title><addtitle>Mar Biol</addtitle><description>The marine copepod
Calanus hyperboreus
accumulates large quantities of lipids and essential fatty acids during summer months in Northern oceans. However, few data exist regarding their winter fatty acid profiles, which could be informative regarding the use of lipids by
C. hyperboreus
to successfully survive and reproduce during times of ice-cover and limited food. The present study compared fatty acids of
C. hyperboreus
between summer (August 2007 and 2008) and winter (early April 2008 and 2009) in Cumberland Sound, Canada. Summer samples from both years had significantly higher ∑polyunsaturated fatty acids and unsaturation indices (based on μg fatty acid mg dry tissue
−1
) than winter samples and separated on a principal component analysis due to higher 18:2n-6, 18:4n-3, and 20:5n-3, consistent with phytoplankton consumption. Winter
C. hyperboreus
had significantly higher ∑monounsaturated fatty acids (MUFA) versus summer samples and separated on the principal component analysis due to higher proportions of 16:1n-7, 20:1n-9, and 22:1n-9, suggesting they were not actively feeding. Based on the seasonal fatty acid comparison,
C. hyperboreus
was catabolizing specific fatty acids (e.g. 20:5n-3), conserving others (e.g. 22:6n-3), and maintaining or increasing biosynthesis of certain MUFA (e.g. 18:1n-9) during winter. These findings provide insight into the seasonal strategy of acquisition (summer) and utilization (winter) of specific fatty acids by a key Arctic organism and could become important for monitoring changes in fatty acids associated with decreased ice-cover duration due to climate warming.</description><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Biological and medical sciences</subject><subject>Biomedical and Life Sciences</subject><subject>Biosynthesis</subject><subject>Calanoida</subject><subject>Calanus hyperboreus</subject><subject>Climate change</subject><subject>Crustacea</subject><subject>Crustaceans</subject><subject>Environmental aspects</subject><subject>Fatty acids</subject><subject>Fishes</subject><subject>Freshwater & Marine Ecology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Global warming</subject><subject>Invertebrates</subject><subject>Life Sciences</subject><subject>Lipids</subject><subject>Marine</subject><subject>Marine & Freshwater Sciences</subject><subject>Marine biology</subject><subject>Microbiology</subject><subject>Oceanography</subject><subject>Oceans</subject><subject>Original Paper</subject><subject>Physiological aspects</subject><subject>Phytoplankton</subject><subject>Polyunsaturated fatty acids</subject><subject>Principal components analysis</subject><subject>Sea water ecosystems</subject><subject>Seasons</subject><subject>Summer</subject><subject>Synecology</subject><subject>Winter</subject><subject>Zoology</subject><issn>0025-3162</issn><issn>1432-1793</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNp1kluL1TAQx4soeFz9AL4FRFjhdM2ladrH3eJlYdGH1ecwJ5kcu_QkNWmFg1_e1C7eOJKHzOX3n0yGKYrnjF4wStXrRCnnqqSMl6xp2rJ-UGxYJbKnWvGw2OS0LAWr-ePiSUp3NPuKi03x_RYhBQ8DGWGaMPpEek9cto8ETG8TCY50MICfE_lyHDHuQsRsn3dhxDFY2K7p0Ft4RVwMB9LNhx3GHLPkNszebskVOJfLXqcluCUfZg_f5ulp8cjBkPDZ_X1WfH775lP3vrz5-O66u7wpjZR0Kk1dY8WVEspSkKLZiVoBmAYFGuuoZLQGaw1XlZPMoTK8Ea6ubNO6RpqqFmfF-Vp3jOHrjGnShz4ZHHIzGOakGc1DUqrlVUZf_IPehTnm8fykchOsbdVvag8D6t67MEUwS1F9Kahs20qK5dnyBLVHjxGG4NH1OfwXf3GCz8fioTcnBWwVmBhSiuj0GPsDxGPuVS9bodet0LlzvWyFXjQv7z8IycDgInjTp19CLhtOuaCZ4yuXcsrvMf45iP8V_wGEU8Sc</recordid><startdate>20120501</startdate><enddate>20120501</enddate><creator>McMeans, Bailey C.</creator><creator>Arts, Michael T.</creator><creator>Rush, Scott A.</creator><creator>Fisk, Aaron T.</creator><general>Springer-Verlag</general><general>Springer</general><general>Springer Nature B.V</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QG</scope><scope>7SN</scope><scope>7ST</scope><scope>7TN</scope><scope>7U7</scope><scope>7XB</scope><scope>88A</scope><scope>8AO</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>8G5</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>H95</scope><scope>HCIFZ</scope><scope>L.G</scope><scope>LK8</scope><scope>M2O</scope><scope>M7N</scope><scope>M7P</scope><scope>MBDVC</scope><scope>P64</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>R05</scope><scope>RC3</scope><scope>SOI</scope><scope>7U6</scope></search><sort><creationdate>20120501</creationdate><title>Seasonal patterns in fatty acids of Calanus hyperboreus (Copepoda, Calanoida) from Cumberland Sound, Baffin Island, Nunavut</title><author>McMeans, Bailey C. ; Arts, Michael T. ; Rush, Scott A. ; Fisk, Aaron T.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c550t-c66e427737d0a538b367aac8e3ecdf05106addc274f51fe7c283f64d89f85c463</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Biological and medical sciences</topic><topic>Biomedical and Life Sciences</topic><topic>Biosynthesis</topic><topic>Calanoida</topic><topic>Calanus hyperboreus</topic><topic>Climate change</topic><topic>Crustacea</topic><topic>Crustaceans</topic><topic>Environmental aspects</topic><topic>Fatty acids</topic><topic>Fishes</topic><topic>Freshwater & Marine Ecology</topic><topic>Fundamental and applied biological sciences. 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Calanus hyperboreus
accumulates large quantities of lipids and essential fatty acids during summer months in Northern oceans. However, few data exist regarding their winter fatty acid profiles, which could be informative regarding the use of lipids by
C. hyperboreus
to successfully survive and reproduce during times of ice-cover and limited food. The present study compared fatty acids of
C. hyperboreus
between summer (August 2007 and 2008) and winter (early April 2008 and 2009) in Cumberland Sound, Canada. Summer samples from both years had significantly higher ∑polyunsaturated fatty acids and unsaturation indices (based on μg fatty acid mg dry tissue
−1
) than winter samples and separated on a principal component analysis due to higher 18:2n-6, 18:4n-3, and 20:5n-3, consistent with phytoplankton consumption. Winter
C. hyperboreus
had significantly higher ∑monounsaturated fatty acids (MUFA) versus summer samples and separated on the principal component analysis due to higher proportions of 16:1n-7, 20:1n-9, and 22:1n-9, suggesting they were not actively feeding. Based on the seasonal fatty acid comparison,
C. hyperboreus
was catabolizing specific fatty acids (e.g. 20:5n-3), conserving others (e.g. 22:6n-3), and maintaining or increasing biosynthesis of certain MUFA (e.g. 18:1n-9) during winter. These findings provide insight into the seasonal strategy of acquisition (summer) and utilization (winter) of specific fatty acids by a key Arctic organism and could become important for monitoring changes in fatty acids associated with decreased ice-cover duration due to climate warming.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><doi>10.1007/s00227-012-1889-6</doi><tpages>11</tpages></addata></record> |
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| identifier | ISSN: 0025-3162 |
| ispartof | Marine biology, 2012-05, Vol.159 (5), p.1095-1105 |
| issn | 0025-3162 1432-1793 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1017977924 |
| source | Springer Nature |
| subjects | Animal and plant ecology Animal, plant and microbial ecology Biological and medical sciences Biomedical and Life Sciences Biosynthesis Calanoida Calanus hyperboreus Climate change Crustacea Crustaceans Environmental aspects Fatty acids Fishes Freshwater & Marine Ecology Fundamental and applied biological sciences. Psychology Global warming Invertebrates Life Sciences Lipids Marine Marine & Freshwater Sciences Marine biology Microbiology Oceanography Oceans Original Paper Physiological aspects Phytoplankton Polyunsaturated fatty acids Principal components analysis Sea water ecosystems Seasons Summer Synecology Winter Zoology |
| title | Seasonal patterns in fatty acids of Calanus hyperboreus (Copepoda, Calanoida) from Cumberland Sound, Baffin Island, Nunavut |
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