title: Lipid status of the two high latitude fish species, Leptoclinus maculatus and Lumpenus fabricii.
abstract: A comparative study of the lipid status (i.e., the total lipid and phospholipid concentrations and the percentage of fatty acids of the total lipids) of adult specimens of daubed shanny (Leptoclinus maculatus) from Svalbard waters (Isfjord) and slender eel blenny (Lumpenus fabricii) from the White Sea (Onega Bay and Tersky shore) was performed to study the metabolism and functions of lipids of these fishes in ontogeny and under various ecological conditions. Slender eel blenny from both areas of the White Sea were distinguished by a high level of sphingomyelin compared with the daubed shanny from Svalbard, and the amount of total phospholipids was higher in slender eel blenny from Onega Bay than in slender eel blenny from the Tersky shore. The extent of saturation and the signature of polyenic fatty acids varied according to the specific species of the Stichaeidae family under study. These results demonstrate the differences in the trophoecological and hydrobiological conditions of habitations of these species and highlighted the importance of considering certain trends in the lipid profiles of these fishes as specific features of the organization of the ecological and biochemical mechanisms of adaptation.
authors.affiliation: Environmental Biochemistry Lab, Institute of Biology, Karelian Research Centre of the Russian Academy of Sciences, Pushkinskaya st., 11, Petrozavodsk 185910, Russia. imagination@onego.ru.
authors.forename: Svetlana A
authors.initials: SA
authors.lastname: Murzina
authors.forename: Zinaida A
authors.initials: ZA
authors.lastname: Nefedova
authors.forename: Stig
authors.initials: S
authors.lastname: Falk-Petersen
authors.forename: Pauli O
authors.initials: PO
authors.lastname: Ripatti
authors.forename: Tatiana R
authors.initials: TR
authors.lastname: Ruokolainen
authors.forename: Svetlana N
authors.initials: SN
authors.lastname: Pekkoeva
authors.forename: Nina N
authors.initials: NN
authors.lastname: Nemova
mesh_terms: D000531:Altitude; D000818:Animals; D002784:Cholesterol / Q000378:metabolism; D005227:Fatty Acids / Q000378:metabolism; D005260:Female; D050356:Lipid Metabolism; D009664:Norway; D010473:Perciformes / Q000378:metabolism*; D010743:Phospholipids / Q000378:metabolism; D014280:Triglycerides / Q000378:metabolism
chemical_list: D005227:Fatty Acids; D010743:Phospholipids; D014280:Triglycerides; D002784:Cholesterol
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