The Lipid Profile of the Tissues of the Gray Whale ( Eschrichtius robustus ): to the Relationship of Composition of Lipids and Their Physiological and Biochemical Role in Maintaining Tissue Function

M. S. Mamaev; Мамаев М. С.; S. A. Murzina; Мурзина С. А.; V. P. Voronin; Воронин В. П.; D. I. Litovka; Литовка Д. И.; V. V. Rozhnov; Рожнов В. В.

doi:10.31857/S0030157423030103

The Lipid Profile of the Tissues of the Gray Whale (Eschrichtius robustus): to the Relationship of Composition of Lipids and Their Physiological and Biochemical Role in Maintaining Tissue Function

Авторлар: Mamaev M.S.¹, Murzina S.A.², Voronin V.P.², Litovka D.I.³, Rozhnov V.V.¹
Мекемелер:
1. A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences
2. Institute of Biology of the Karelian Research Center of the Russian Academy of Sciences
3. Office of the Governor and Government of the Chukotka Autonomous Okrug
Шығарылым: Том 63, № 3 (2023)
Беттер: 436-446
Бөлім: БИОЛОГИЯ МОРЯ
URL: https://journals.rcsi.science/0030-1574/article/view/136256
DOI: https://doi.org/10.31857/S0030157423030103
EDN: https://elibrary.ru/SRLTDD
ID: 136256

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Аннотация

A study was made of the composition of lipids in different tissues of gray whales Eschrichtius robustus, and the lipid profiles of tissues with different functional loads were compared. Five types of tissues (skin, muscle, liver, outer and inner layers of fat) were collected from seventeen individuals of eastern gray whales during the permitted aboriginal fishing in the village. Lorino of the Chukotka Autonomous Okrug in the summer of 2020. For all of the listed tissues, the composition of total lipids and their individual lipid classes was studied by high-performance thin-layer chromatography (HPTLC), the identification and description of lipid profiles of different types of tissues was carried out, which made it possible to identify their general and specific features of lipid metabolism according to the studied parameters. Comparative analysis of lipid profiles of tissues revealed individual lipid classes that make the greatest contribution to discrimination between different tissues. Both the content of total lipids and individual lipid classes varied significantly in different tissues. At the same time, 93% of the differences between tissues are two functions that are most closely related to the content of metabolically associated diacylglycerols (DAG), monoacylglycerols (MAG), triacylglycerols (TAG) and waxes, mainly energetic lipids, in tissues. The paper discusses the relationship between the qualitative and quantitative composition of lipids and the functional load and the physiological role of tissues. The metabolic features of the accumulation and consumption of lipid classes during the feeding period were noted. The revealed differences in certain parameters of lipid metabolism of the outer and inner layers of fat are due to different metabolic activity of tissues and their function in the body, which, among other things, is provided by lipids.

Негізгі сөздер

gray whale, Eschrichtius robustus, lipids, lipid profile, lipid metabolism

Әдебиет тізімі

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