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dc.contributor.authorPekkoeva, Svetlana N.
dc.contributor.authorMurzina, Svetlana A.
dc.contributor.authorNefedova, Zinaida A.
dc.contributor.authorFalk-Pedersen, Stig
dc.contributor.authorBerge, Jørgen
dc.contributor.authorLønne, Ole Jørgen
dc.contributor.authorNemova, Nina N.
dc.date.accessioned2021-04-19T12:36:52Z
dc.date.available2021-04-19T12:36:52Z
dc.date.issued2020-04-23
dc.description.abstractRecent discoveries of high levels of biological activity in the Arctic marine ecosystems during the polar night raise questions regarding the ecophysiology of the pelagic postlarval daubed shanny Leptoclinus maculatus. Of special interest is the composition of the lipid sac—a unique feature not found in other Arctic fishes. Analysis of the fatty acid content of major classes of lipids as membrane—total phospholipids (PL) and storage—triacylglycerols (TAG) in the different postlarvae stages during the polar night is presented in this work for the first time. A high level of monounsaturated fatty acids (MUFAs) (71–74% of the total fatty acids (FA) of TAG) was found in the TAG of the L3-L4* postlarvae stages, among which 20:1(n-9) (28%) and 22:1(n-11) (27–29%) FAs are trophic biomarkers of the zooplankton Calanus spp. Among the polyunsaturated FA (PUFA), the FAs of (n-3) class were dominated (22:6(n-3)—in the PL, and 18:4(n-3)—in the TAG). A decrease in the content of the saturated FA (SFA) and an increase in the MUFA in the structural PL during the transition from the postlarval to the demersal stage were observed. Our analyses of the FA composition of the lipid sac suggest that the fish continues to actively hunt for its preferred prey item Calanus spp. during the polar night.en_US
dc.descriptionThis is a post-peer-review, pre-copyedit version of an article published in Polar Biology. The final authenticated version is available online at: https://doi.org/10.1007/s00300-020-02669-4.en_US
dc.identifier.citationPekkoeva, Murzina, Nefedova, Falk-Pedersen, Berge, Lønne, Nemova. Fatty acid composition of the postlarval daubed shanny (Leptoclinus maculatus) during the polar night. Polar Biology. 2020;43(6):657-664en_US
dc.identifier.cristinIDFRIDAID 1821783
dc.identifier.doi10.1007/s00300-020-02669-4
dc.identifier.issn0722-4060
dc.identifier.issn1432-2056
dc.identifier.urihttps://hdl.handle.net/10037/20938
dc.language.isoengen_US
dc.publisherSpringeren_US
dc.relation.journalPolar Biology
dc.relation.projectIDNorges forskningsråd: ES504895en_US
dc.relation.projectIDNorges forskningsråd: 244319en_US
dc.relation.projectIDNorges forskningsråd: 245923en_US
dc.relation.projectIDinfo:eu-repo/grantAgreement/RCN/POLARPROG/244319/Norway/Arctic Ocean ecosystems - Applied technology, Biological interactions and Consequences in an era of abrupt climate change//en_US
dc.relation.projectIDinfo:eu-repo/grantAgreement/RCN/FORINFRA/245923/Norway/Arctic ABC Development//en_US
dc.rights.accessRightsopenAccessen_US
dc.rights.holder© 2020 Springer Nature Switzerland AG. Part of Springer Nature.en_US
dc.subjectVDP::Mathematics and natural science: 400::Zoology and botany: 480en_US
dc.subjectVDP::Matematikk og Naturvitenskap: 400::Zoologiske og botaniske fag: 480en_US
dc.titleFatty acid composition of the postlarval daubed shanny (Leptoclinus maculatus) during the polar nighten_US
dc.type.versionacceptedVersionen_US
dc.typeJournal articleen_US
dc.typeTidsskriftartikkelen_US
dc.typePeer revieweden_US


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