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Comparison of Fatty Acid Contents in Major Lipid Classes of Seven Salmonid Species from Siberian Arctic Lakes.

https://arctichealth.org/en/permalink/ahliterature306552
Source
Biomolecules. 2020 03 08; 10(3):
Publication Type
Journal Article
Research Support, Non-U.S. Gov't
Date
03-08-2020
Author
Nadezhda N Sushchik
Olesia N Makhutova
Anastasia E Rudchenko
Larisa A Glushchenko
Svetlana P Shulepina
Anzhelika A Kolmakova
Michail I Gladyshev
Author Affiliation
Institute of Biophysics of Federal Research Center "Krasnoyarsk Science Center" of Siberian Branch of Russian Academy of Sciences, Akademgorodok, 50/50, Krasnoyarsk 660036, Russia.
Source
Biomolecules. 2020 03 08; 10(3):
Date
03-08-2020
Language
English
Publication Type
Journal Article
Research Support, Non-U.S. Gov't
Abstract
Long-chain omega-3 polyunsaturated fatty acids (LC-PUFA) essential for human nutrition are mostly obtained from wild-caught fish. To sustain the LC-PUFA supply from natural populations, one needs to know how environmental and intrinsic factors affect fish fatty acid (FA) profiles and contents. We studied seven Salmoniformes species from two arctic lakes. We aimed to estimate differences in the FA composition of total lipids and two major lipid classes, polar lipids (PL) and triacylglycerols (TAG), among the species and to evaluate LC-PUFA contents corresponding to PL and TAG in muscles. Fatty acid profiles of PL and TAG in all species were characterized by the prevalence of omega-3 LC-PUFA and C16-C18 monoenoic FA, respectively. Fish with similar feeding spectra were identified similarly in multivariate analyses of total lipids, TAG and PL, due to differences in levels of mostly the same FA. Thus, the suitability of both TAG and total lipids for the identification of the feeding spectra of fish was confirmed. All species had similar content of LC-PUFA esterified as PL, 1.9-3.5 mg g-1, while the content of the TAG form strongly varied, from 0.9 to 9.8 mg g-1. The LC-PUFA-rich fish species accumulated these valuable compounds predominately in the TAG form.
PubMed ID
32182700 View in PubMed
Less detail

Comparison of Fatty Acid Contents in Major Lipid Classes of Seven Salmonid Species from Siberian Arctic Lakes.

https://arctichealth.org/en/permalink/ahliterature311032
Source
Biomolecules. 2020 03 08; 10(3):
Publication Type
Journal Article
Research Support, Non-U.S. Gov't
Date
03-08-2020
Author
Nadezhda N Sushchik
Olesia N Makhutova
Anastasia E Rudchenko
Larisa A Glushchenko
Svetlana P Shulepina
Anzhelika A Kolmakova
Michail I Gladyshev
Author Affiliation
Institute of Biophysics of Federal Research Center "Krasnoyarsk Science Center" of Siberian Branch of Russian Academy of Sciences, Akademgorodok, 50/50, Krasnoyarsk 660036, Russia.
Source
Biomolecules. 2020 03 08; 10(3):
Date
03-08-2020
Language
English
Publication Type
Journal Article
Research Support, Non-U.S. Gov't
Keywords
Animals
Arctic Regions
Fatty Acids, Omega-3 - metabolism
Lakes
Salmonidae - metabolism
Siberia
Triglycerides - metabolism
Abstract
Long-chain omega-3 polyunsaturated fatty acids (LC-PUFA) essential for human nutrition are mostly obtained from wild-caught fish. To sustain the LC-PUFA supply from natural populations, one needs to know how environmental and intrinsic factors affect fish fatty acid (FA) profiles and contents. We studied seven Salmoniformes species from two arctic lakes. We aimed to estimate differences in the FA composition of total lipids and two major lipid classes, polar lipids (PL) and triacylglycerols (TAG), among the species and to evaluate LC-PUFA contents corresponding to PL and TAG in muscles. Fatty acid profiles of PL and TAG in all species were characterized by the prevalence of omega-3 LC-PUFA and C16-C18 monoenoic FA, respectively. Fish with similar feeding spectra were identified similarly in multivariate analyses of total lipids, TAG and PL, due to differences in levels of mostly the same FA. Thus, the suitability of both TAG and total lipids for the identification of the feeding spectra of fish was confirmed. All species had similar content of LC-PUFA esterified as PL, 1.9-3.5 mg g-1, while the content of the TAG form strongly varied, from 0.9 to 9.8 mg g-1. The LC-PUFA-rich fish species accumulated these valuable compounds predominately in the TAG form.
PubMed ID
32182700 View in PubMed
Less detail

Fatty Acid Composition and Contents of Seven Commercial Fish Species of Genus Coregonus from Russian Subarctic Water Bodies.

https://arctichealth.org/en/permalink/ahliterature292603
Source
Lipids. 2017 Dec; 52(12):1033-1044
Publication Type
Journal Article
Date
Dec-2017
Author
Michail I Gladyshev
Nadezhda N Sushchik
Olesia N Makhutova
Larisa A Glushchenko
Anastasia E Rudchenko
Alexander A Makhrov
Elena A Borovikova
Yury Y Dgebuadze
Author Affiliation
Institute of Biophysics of Siberian Branch of Federal Research Center "Krasnoyarsk Science Center" of Russian Academy of Sciences, Akademgorodok, 50/50, Krasnoyarsk, 660036, Russia. glad@ibp.ru.
Source
Lipids. 2017 Dec; 52(12):1033-1044
Date
Dec-2017
Language
English
Publication Type
Journal Article
Keywords
Animals
Docosahexaenoic Acids - analysis - chemistry
Eicosapentaenoic Acid - analysis - chemistry
Fishes - classification - metabolism
Lakes
Muscle, Skeletal - chemistry
Rivers
Russia
Abstract
In several Russian northern lakes and rivers, Arctic cisco Coregonus autumnalis, least cisco C. sardinella, peled C. peled, tugun C. tugun, broad whitefish C. nasus, whitefish C. lavaretus and vendace C. albula were sampled in periods of officially permitted commercial fishery. Special attention was paid to contents (mg g-1 of wet weight) of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) in muscle tissues (filets), which are essential for human nutrition. The highest values of EPA + DHA content in semi-anadromous fish and freshwater fish were recorded for C. autumnalis from the Yenisei River, 17.60 mg g-1 wet weight, and for C. lavaretus from the Sobachye Lake, 16.61 mg g-1 wet weight, respectively. Intra-genus variations of EPA + DHA contents of Coregonus species were from 1.87 to 17.60 mg g-1 wet weight. Since the congeneric species were genetically close to each other, the variations in EPA and DHA contents were thought to be caused primarily by ecological factors: migrational capability, type of feeding and trophic status of aquatic ecosystems. In general, the majority of studied species appeared to be of a high nutritive value for humans, although unfavorable environmental conditions could considerably diminish this value.
Notes
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PubMed ID
28965211 View in PubMed
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Fatty Acid Composition and Contents of Seven Commercial Fish Species of Genus Coregonus from Russian Subarctic Water Bodies.

https://arctichealth.org/en/permalink/ahliterature285913
Source
Lipids. 2017 Sep 30;
Publication Type
Article
Date
Sep-30-2017
Author
Michail I Gladyshev
Nadezhda N Sushchik
Olesia N Makhutova
Larisa A Glushchenko
Anastasia E Rudchenko
Alexander A Makhrov
Elena A Borovikova
Yury Y Dgebuadze
Source
Lipids. 2017 Sep 30;
Date
Sep-30-2017
Language
English
Publication Type
Article
Abstract
In several Russian northern lakes and rivers, Arctic cisco Coregonus autumnalis, least cisco C. sardinella, peled C. peled, tugun C. tugun, broad whitefish C. nasus, whitefish C. lavaretus and vendace C. albula were sampled in periods of officially permitted commercial fishery. Special attention was paid to contents (mg g(-1) of wet weight) of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) in muscle tissues (filets), which are essential for human nutrition. The highest values of EPA + DHA content in semi-anadromous fish and freshwater fish were recorded for C. autumnalis from the Yenisei River, 17.60 mg g(-1) wet weight, and for C. lavaretus from the Sobachye Lake, 16.61 mg g(-1) wet weight, respectively. Intra-genus variations of EPA + DHA contents of Coregonus species were from 1.87 to 17.60 mg g(-1) wet weight. Since the congeneric species were genetically close to each other, the variations in EPA and DHA contents were thought to be caused primarily by ecological factors: migrational capability, type of feeding and trophic status of aquatic ecosystems. In general, the majority of studied species appeared to be of a high nutritive value for humans, although unfavorable environmental conditions could considerably diminish this value.
PubMed ID
28965211 View in PubMed
Less detail

Spatial biodiversity of bacteria along the largest Arctic river determined by next-generation sequencing.

https://arctichealth.org/en/permalink/ahliterature257933
Source
FEMS Microbiol Ecol. 2014 Aug;89(2):442-50
Publication Type
Article
Date
Aug-2014
Author
Olesya V Kolmakova
Michail I Gladyshev
Alexey S Rozanov
Sergey E Peltek
Maria Y Trusova
Author Affiliation
Siberian Federal University, Krasnoyarsk, Russia; Institute of Biophysics of Siberian Branch of Russian Academy of Sciences, Krasnoyarsk, Russia.
Source
FEMS Microbiol Ecol. 2014 Aug;89(2):442-50
Date
Aug-2014
Language
English
Publication Type
Article
Keywords
Actinobacteria - genetics
Arctic Regions
Biodiversity
Cyanobacteria - genetics
High-Throughput Nucleotide Sequencing
Molecular Typing
Proteobacteria - genetics
RNA, Bacterial - genetics
RNA, Ribosomal, 16S - genetics
Rivers - microbiology
Sequence Analysis, DNA
Water Microbiology
Abstract
The biodiversity of bacterial communities along the Yenisei River at section c. 1800 km was studied using next-generation sequencing of 16S rRNA genes and common biodiversity indices. Overall, 3022 unique operational taxonomic units were identified. Actinobacteria and Proteobacteria were the dominant phyla at all sampling sites. The highest alpha-diversity values were found in the middle section of the studied river. The beta-diversity of bacterial assemblages in the river was related to the surrounding landscape (biome): three distinctly different bacterial assemblages occurred in sections of the river, situated in mountain taiga, plain taiga and in a region of permafrost, covered by forest-tundra and tundra. Tributaries arising from these different landscapes likely contributed substantially to the variations of Yenisei bacterial communities. In contrast to a prediction of the river continuum concept, the proportion of photoautotrophic Cyanobacteria in bacterial assemblages did not increase downstream, but peaked at the middle section.
PubMed ID
24848736 View in PubMed
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Triploidy does not decrease contents of eicosapentaenoic and docosahexaenoic acids in filets of pink salmon Oncorhynchus gorbuscha.

https://arctichealth.org/en/permalink/ahliterature279092
Source
Food Chem. 2017 Feb 01;216:66-9
Publication Type
Article
Date
Feb-01-2017
Author
Michail I Gladyshev
Valentina S Artamonova
Alexander A Makhrov
Nadezhda N Sushchik
Galina S Kalachova
Yury Y Dgebuadze
Source
Food Chem. 2017 Feb 01;216:66-9
Date
Feb-01-2017
Language
English
Publication Type
Article
Keywords
Animals
Aquaculture
Diploidy
Docosahexaenoic Acids - analysis
Eicosapentaenoic Acid - analysis
Female
Male
Muscle, Skeletal - chemistry
Russia
Salmon - genetics - metabolism
Seafood - analysis
Triploidy
Abstract
Triploid fish has become an important item of commercial aquaculture, but data on its fatty acid (FA) composition are still controversial, especially regarding essential polyunsaturated fatty acids, eicosapentaenoic acid (20:5n-3, EPA) and docosahexaenoic acid (22:6n-3, DHA). We studied FA composition and content of diploid and triploid pink salmon Oncorhynchus gorbuscha, reared in aquaculture in a bay of the White Sea (Russia). FA composition, measured as percentages of total FA of triploids and immature diploid females significantly differed from that of mature diploid fish. Specifically, mature diploids had higher percentage of EPA and DHA in their muscle tissue (filets) compared to that of triploids and immature diploid females. Nevertheless, the contents of EPA and DHA per mass of the filets in diploid and triploid specimens were similar. Thus, no special efforts are needed to improve EPA and DHA contents in filets of triploids.
PubMed ID
27596393 View in PubMed
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6 records – page 1 of 1.