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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gladyshev, Michail I., Makhrov, Alexander A., Baydarov, Ilia V., Safonova, Stanislava S., Golod, Viktor M., Alekseyev, Sergey S., Glushchenko, Larisa A., Rudchenko, Anastasia E., Karpov, Vladimir A., Sushchik, Nadezhda N.
Заглавие : Fatty Acid Composition and Contents of Fish of Genus Salvelinus from Natural Ecosystems and Aquaculture
Колич.характеристики :17 с
Место публикации : Biomolecules: MDPI, 2022. - Vol. 12, Is. 1. - Ст.144. - ISSN 2218-273X(eISSN), DOI 10.3390/biom12010144
Примечания : Cited References:82
Предметные рубрики: ALPINUS SALMONIDAE
MOLECULAR ACTIVITY
SEASONAL DYNAMICS
SYMPATRIC
Аннотация: Fatty acids (FA) of muscle tissue of Salvelinus species and its forms, S. alpinus, S. boganidae, S. drjagini, and S. fontinalis, from six Russian lakes and two aquacultures, were analyzed. Considerable variations in FA compositions and contents were found, including contents of eicosapentaenoic and docosahexaenoic acids (EPA and DHA), which are important indicators of fish nutritive value for humans. As found, contents of EPA+DHA (mg center dot g(-1) wet weight) in muscle tissue of Salvelinus species and forms varied more than tenfold. These differences were supposed to be primarily determined by phylogenetic factors, rather than ecological factors, including food. Two species, S. boganidae and S. drjagini, had the highest EPA+DHA contents in their biomass and thereby could be recommended as promising species for aquaculture to obtain production with especially high nutritive value. Basing on revealed differences in FA composition of wild and farmed fish, levels of 15-17-BFA (branched fatty acids), 18:2NMI (non-methylene interrupted), 20:2NMI, 20:4n-3, and 22:4n-3 fatty acids were recommended for verifying trade label information of fish products on shelves, as the biomarkers to differentiate wild and farmed charr.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Makhutova, Olesia N., Stoyanov, Kirill N.
Заглавие : Fatty acid content and composition in tissues of Baikal grayling (Thymallus baicalensis), with a special focus on DHA synthesis
Колич.характеристики :19 с
Коллективы : Russian Foundation for Basic Research (RFBR)Russian Foundation for Basic Research (RFBR) [20-04-00594]; Russian FederationRussian Federation [51.1.1]; Ministry of Science and Higher Education of the Russian Federation [FSRZ-2020-0006]
Место публикации : Aquac. Int.: SPRINGER, 2021. - Article in press. - ISSN 0967-6120, DOI 10.1007/s10499-021-00755-w. - ISSN 1573-143X(eISSN)
Примечания : Cited References:75. - The research was funded by a grant from the Russian Foundation for Basic Research (RFBR) N 20-04-00594, by the state assignment within the framework of the Basic Research Program of the Russian Federation (topic no. 51.1.1) and the state assignment of the Ministry of Science and Higher Education of the Russian Federation to Siberian Federal University in 2020 (Project no. FSRZ-2020-0006 "Biologically active substances in environmental, biotechnological and medical systems").
Предметные рубрики: COD GADUS-MORHUA
DOCOSAHEXAENOIC ACID
SEASONAL DYNAMICS
FISH
Аннотация: Long-chain polyunsaturated fatty acids of n-3 family (n-3 LC PUFAs) are physiologically essential compounds required for normal growth and development of animals, including humans. The ability of fish species to synthesize n-3 LC PUFAs varies significantly across different trophic levels. We have studied fatty acid (FA) content (mg/g of wet weight) and level (% of total FAs) in the brain, liver, heart, intestine, female and male gonads, muscle, and adipose tissues of commercially important wild freshwater Baikal grayling. Additionally, FA content and level of Baikal grayling juveniles have been studied. In all tissues of Baikal grayling, some LC PUFAs, namely, 24:5n-3 and 24:6n-3 (C24 PUFAs), have been found. These FAs are the intermediate products in the synthesis of docosahexaenoic acid (DHA, 22:6n-3) by the Sprecher pathway. The levels of C24 PUFAs in tissues differed significantly: the highest levels of C24 PUFAs were found in adipose tissue and the lowest values in the gonads of females, liver, brain, and head of juveniles. According to the dynamics of DHA and C24 PUFAs, the maximum rate of DHA synthesis is achieved in brain of Baikal grayling, while the lowest rate of DHA synthesis probably occurs in adipose tissue. Although all studied tissues had differences in the number of FAs and their levels, 16:0, 18:1n-9, 16:1n-7, 20:5n-3, and DHA dominated. Male gonads contained an extremely high level of furan FAs - presumably beneficial substances for human health. Additionally, the nutritional value of the tissues of Baikal grayling as a source of n-3 LC PUFAs for humans has been estimated.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kalyabina V. P., Esimbekova E. N., Kopylova K. V., Kratasyuk V. A.
Заглавие : Pesticides: formulants, distribution pathways and effects on human health – a review
Место публикации : Toxicol. Rep.: Elsevier Inc., 2021. - Vol. 8. - С. 1179-1192. - ISSN 22147500 (ISSN), DOI 10.1016/j.toxrep.2021.06.004
Аннотация: Pesticides are commonly used in agriculture to enhance crop production and control pests. Therefore, pesticide residues can persist in the environment and agricultural crops. Although modern formulations are relatively safe to non-target species, numerous theoretical and experimental data demonstrate that pesticide residues can produce long-term negative effects on the health of humans and animals and stability of ecosystems. Of particular interest are molecular mechanisms that mediate the start of a cascade of adverse effects. This is a review of the latest literature data on the effects and consequences of contamination of agricultural crops by pesticide residues. In addition, we address the issue of implicit risks associated with pesticide formulations. The effects of pesticides are considered in the context of the Adverse Outcome Pathway concept. © 2021 The Author(s)
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Makhutova O. N., Stoyanov K. N.
Заглавие : Fatty acid content and composition in tissues of Baikal grayling (Thymallus baicalensis), with a special focus on DHA synthesis
Место публикации : Aquac. Int.: Springer Science and Business Media Deutschland GmbH, 2021. - Article in press. - ISSN 09676120 (ISSN), DOI 10.1007/s10499-021-00755-w
Аннотация: Long-chain polyunsaturated fatty acids of n-3 family (n-3 LC PUFAs) are physiologically essential compounds required for normal growth and development of animals, including humans. The ability of fish species to synthesize n-3 LC PUFAs varies significantly across different trophic levels. We have studied fatty acid (FA) content (mg/g of wet weight) and level (% of total FAs) in the brain, liver, heart, intestine, female and male gonads, muscle, and adipose tissues of commercially important wild freshwater Baikal grayling. Additionally, FA content and level of Baikal grayling juveniles have been studied. In all tissues of Baikal grayling, some LC PUFAs, namely, 24:5n-3 and 24:6n-3 (C24 PUFAs), have been found. These FAs are the intermediate products in the synthesis of docosahexaenoic acid (DHA, 22:6n-3) by the Sprecher pathway. The levels of C24 PUFAs in tissues differed significantly: the highest levels of C24 PUFAs were found in adipose tissue and the lowest values in the gonads of females, liver, brain, and head of juveniles. According to the dynamics of DHA and C24 PUFAs, the maximum rate of DHA synthesis is achieved in brain of Baikal grayling, while the lowest rate of DHA synthesis probably occurs in adipose tissue. Although all studied tissues had differences in the number of FAs and their levels, 16:0, 18:1n-9, 16:1n-7, 20:5n-3, and DHA dominated. Male gonads contained an extremely high level of furan FAs — presumably beneficial substances for human health. Additionally, the nutritional value of the tissues of Baikal grayling as a source of n-3 LC PUFAs for humans has been estimated. © 2021, The Author(s), under exclusive licence to Springer Nature Switzerland AG.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Dubovtseva I. Y., Aksenenko M. B., Nikolaeva E. D., Averchuk A. S., Moshev A. V., Savchenko A. A., Markova S. V., Ruksha T. G.
Заглавие : FOXC1-Mediated Effects of miR-204-5p on Melanoma Cell Proliferation
Место публикации : Mol Biol (Mosk): NLM (Medline), 2021. - Vol. 55, Is. 4. - С. 667-675. - ISSN 00268984 (ISSN), DOI 10.31857/S0026898421030058
Аннотация: MicroRNAs epigenetically regulate physiological and pathological processes. Previously, we found that miR-204-5p is expressed at low levels in melanoma cells, and an increase in its level leads to a change in proliferation, migration, and invasion of these cancer cells. Now, using bioinformatics analysis, it has been shown that the target of miR-204-5p is FOXC1 transcription factor, which is implicated in carcinogenesis. Using the luciferase reporter assay, it was found that miR-204-5p suppresses expression of the FOXC1 gene by binding to its 3' non-coding region. Transfection of small interfering RNA (siRNA) targeting FOXC1 into melanoma cells caused a decrease in miR-204-5p levels, which is consistent with the generally accepted concept of feedback regulation of miRNA expression by target genes. According to the results of the MTT test and fluorescence microscopy, the proliferation level of melanoma cells under the influence of siRNA to FOXC1 decreased 72 h after transfection. Changes in the ratio of cells by cell cycle phase were analyzed using flow cytometry. Regulatory relationships between FOXC1 and miR-204-5p, and an inhibitory effect of FOXC1 knockdown on melanoma cell proliferation were revealed. Based on the results, it can be assumed that miR-204-5p regulates proliferation of melanoma cells by affecting FOXC1 expression.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Pavlova A. M., Gaevskii N. A., Anishchenko O. V., Tikhomirova N. A., Tikhomirov A. A.
Заглавие : Influence of NaCl on Productivity and Fluorescence Parameters of Nasturtium officinale R. Br. and Its Relevance to Artificial Closed Ecosystems
Колич.характеристики :13 с
Коллективы : fundamental research program of the Russian Academy of SciencesRussian Academy of Sciences [56.1.4]
Место публикации : Russ. J. Plant Physiol.: PLEIADES PUBLISHING INC, 2021. - Vol. 68, Is. 6. - С. 1173-1185. - ISSN 1021-4437, DOI 10.1134/S1021443721050137. - ISSN 1608-3407(eISSN)
Примечания : Cited References:27. - This work was supported by the fundamental research program of the Russian Academy of Sciences for 2013-2020, project no. 56.1.4 Sustainability of Higher Plant Cenoses Grown on Nutrient Media with Mineralized Organic Waste in Closed Human-Inhabited Ecological Systems.
Предметные рубрики: CHLOROPHYLL FLUORESCENCE
SALT STRESS
TOLERANCE
PHOTOSYNTHESIS
Аннотация: Productivity values, sodium accumulation in aboveground biomass, and photosynthetic indices of watercress (Nasturtium officinale) leaves were investigated under conditions resembling artificial closed ecological systems (CES). The seedlings were grown on nutrient media with various NaCl concentrations (0.7, 1.4, and 1.8 g/L) for 7, 14, and 19 days after transferring them to saline solutions. The productivity of plants on the seventh day of their growth on saline media did not differ from that of control plants. The decrease in plant productivity was noted in all the treatments starting from the 14th day after transferring the plants to saline solutions. When NaCl concentration in the nutrient solution was raised from 0.7 to 1.8 g/L, a significant increase in relative Na+ content in plant tissues was observed, regardless of the duration of NaCl treatment. A substantial decrease in chlorophyll (a + b) to carotenoid content ratio was noted on the seventh and 14th days in plants grown at 1.8 g/L NaCl. In plants treated for 7 days with 0.7 and 1.4 g/L NaCl, the content of chlorophylls a and b and carotenoids was found to increase, which indicates the tolerance of N. officinale to CES conditions. The relative content of chlorophylls a and b in the light-harvesting chlorophyll (a + b) complex was independent of the extent of salinity. The maximum quantum yield of photosystem II reaction in N. officinale plants had typically high values (Y(II)(max) of 0.755 +/- 0.007). Using the Imaging Maxi version of the pulse amplitude-modulated (PAM) fluorometer, it was found that light curves for the effective quantum yield of photochemical and nonphotochemical fluorescence quenching (Y(II) and Y(NPQ), respectively) differed appreciably between the salt-treated and untreated plants in the case of long-term cultivation (19 days) at 0.7 and 1.4 g/L NaCl. The treatment with 1.8 g/L NaCl for the period from 14 to 19 days had no effect on light curves of Y(II) and Y(NPQ). It is argued that N. officinale can be used as a source of NaCl for humans under CES conditions.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kalyabina, Valeriya P., Esimbekova, Elena N., Kopylova, Kseniya, V, Kratasyuk, Valentina A.
Заглавие : Pesticides: formulants, distribution pathways and effects on human health-a review
Колич.характеристики :14 с
Коллективы : Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [20-44-242001]
Место публикации : Toxicol. Rep.: ELSEVIER, 2021. - Vol. 8. - С. 1179-1192. - ISSN 2214-7500(eISSN), DOI 10.1016/j.toxrep.2021.06.004
Примечания : Cited References:211. - The research was funding by the Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science and Russian Foundation for Basic Research (project No 20-44-242001).
Предметные рубрики: GLYPHOSATE-BASED HERBICIDES
ENDOCRINE-DISRUPTING CHEMICALS
IN-VITRO
Аннотация: Pesticides are commonly used in agriculture to enhance crop production and control pests. Therefore, pesticide residues can persist in the environment and agricultural crops. Although modern formulations are relatively safe to non-target species, numerous theoretical and experimental data demonstrate that pesticide residues can produce long-term negative effects on the health of humans and animals and stability of ecosystems. Of particular interest are molecular mechanisms that mediate the start of a cascade of adverse effects. This is a review of the latest literature data on the effects and consequences of contamination of agricultural crops by pesticide residues. In addition, we address the issue of implicit risks associated with pesticide formulations. The effects of pesticides are considered in the context of the Adverse Outcome Pathway concept.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Dubinnyi M. A., Ivanov I. A., Rodionova N. S., Kovalchuk S. I., Kaskova Z. M., Petushkov V. N.
Заглавие : α-C-Mannosyltryptophan is a Structural Analog of the Luciferin from Bioluminescent Siberian Earthworm Henlea sp.
Место публикации : ChemistrySelect: Wiley-Blackwell, 2020. - Vol. 5, Is. 42. - С. 13155-13159. - ISSN 23656549 (ISSN), DOI 10.1002/slct.202003075
Аннотация: Cold extract from bioluminescent earthworm Henlea sp. was studied by HPLC, 1D and 2D NMR and LC-HRMS analysis. An abundant structural analog of the luciferin was isolated and identified as ?-C-mannosyltryptophan (ManTrp), the product of unusual C2-glycosylation found earlier in humans, ascidians and other animals. Two compounds in cold extract (P300b, P300c) were characterized as C2-substituted derivatives of tryptophan. We hypothesize that a series of tryptophan-containing compounds are possible participants of bioluminescence-related metabolism in Henlea sp. © 2020 Wiley-VCH GmbH
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Dubinnyi, Maxim A., Ivanov, Igor A., Rodionova, Natalia S., Kovalchuk, Sergey I., Kaskova, Zinaida M., Petushkov, Valentin N.
Заглавие : alpha-C-Mannosyltryptophan is a Structural Analog of the Luciferin from Bioluminescent Siberian Earthworm Henlea sp.
Колич.характеристики :5 с
Коллективы : State Assignment for Basic Research of the Russian Academy of Sciences [0356-2019-0019]; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [19-04-00348-a]
Место публикации : ChemistrySelect: WILEY-V C H VERLAG GMBH, 2020. - Vol. 5, Is. 42. - С. 13155-13159. - ISSN 2365-6549, DOI 10.1002/slct.202003075
Примечания : Cited References:49. - This work was supported by the State Assignment for Basic Research of the Russian Academy of Sciences (project no. 0356-2019-0019) and the Russian Foundation for Basic Research (project no. 19-04-00348-a).
Предметные рубрики: STRUCTURE ELUCIDATION
MANNOSYLATION
TRYPTOPHAN
PROTEIN
COMPLEMENT
Аннотация: Cold extract from bioluminescent earthworm Henlea sp. was studied by HPLC, 1D and 2D NMR and LC-HRMS analysis. An abundant structural analog of the luciferin was isolated and identified as alpha-C-mannosyltryptophan (ManTrp), the product of unusual C2-glycosylation found earlier in humans, ascidians and other animals. Two compounds in cold extract (P300b, P300c) were characterized as C2-substituted derivatives of tryptophan. We hypothesize that a series of tryptophan-containing compounds are possible participants of bioluminescence-related metabolism in Henlea sp.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gladyshev M. I., Sushchik N. N.
Заглавие : Long-chain Omega-3 Polyunsaturated Fatty Acids in Natural Ecosystems and the Human Diet: Assumptions and Challenges
Колич.характеристики :17 с
Место публикации : Biomolecules: NLM (Medline), 2019. - Vol. 9, Is. 9. - Ст.485. - ISSN 2218273X (ISSN) , DOI 10.3390/biom9090485
Аннотация: Over the past three decades, studies of essential biomolecules, long-chain polyunsaturated fatty acids of the omega-3 family (LC-PUFAs), namely eicosapentaenoic acid (20:5n-3, EPA) and docosahexaenoic acid (22:6n-3, DHA), have made considerable progress, resulting in several important assumptions. However, new data, which continue to appear, challenge these assumptions. Based on the current literature, an attempt is made to reconsider the following assumptions: 1. There are algal classes of high and low nutritive quality. 2. EPA and DHA decrease with increasing eutrophication in aquatic ecosystems. 3. Animals need EPA and DHA. 4. Fish are the main food source of EPA and DHA for humans. 5. Culinary treatment decreases EPA and DHA in products. As demonstrated, some of the above assumptions need to be substantially specified and changed.
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11.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ushakova S., Tikhomirova N., Velichko V., Trifonov S., Morozov Y., Kalacheva G., Pavlova A., Tikhomirov A.
Заглавие : Analysis of the gas exchange and water balance in a closed experimental model of the artificial ecosystem intended for an estimated portion of a human
Место публикации : Acta Astronaut: Elsevier Ltd, 2018. - ISSN 00945765 (ISSN) , DOI 10.1016/j.actaastro.2018.07.022
Ключевые слова (''Своб.индексиров.''): experimental model of a closed ecological system--higher plant community--human respiratory function--water balance--со2 and о2 gas exchange--carbon dioxide--evapotranspiration--closed ecological systems--gas exchange--higher plants--respiratory function--water balance--ecosystems
Аннотация: This study was performed to investigate water and gas exchange in the experimental model of a closed ecological system (CES) intended for an estimated portion of a human in the long-duration (several-month) experiment. The diversity of the vegetable conveyor in the system was increased. Human wastes were involved in mass exchange processes, and human respiratory function was periodically connected to the experimental model of a CES. The experimental model of a CES was used to quantify regeneration of the gaseous atmosphere with oxygen and carbon dioxide loops by linking the photosynthesizing compartment with the heterotrophic compartment (soil-like substrate) and by the periodic connection of the human respiratory function. Under the preset light and temperature conditions, atmospheric CO2 concentration in the CES model intended for a portion of a human was maintained at a level that neither limited photosynthetic processes nor was harmful to humans (800–2000 ppm) during the 154-day experiment. At the same time, O2 concentration did not either drop below 20.8% or rise above 22.6%. The amount of the evapotranspiration water collected in the system could satisfy 50% of the daily water requirement of a human (with all the water used and excreted by the human being processed and used to irrigate plants). The evapotranspiration water did not need to be additionally purified before being used by humans. Thus, in the experimental model of the closed ecological system, human oxygen and food requirements (per 0.05 portion of a human) were matched to the function of the heterotrophic compartment and the photosynthesizing activity of the multispecies uneven-aged higher plant community. © 2018 IAA
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12.

Вид документа : Статья из сборника (выпуск продолж. издания)
Шифр издания :
Автор(ы) : Tikhomirov A. A., Ushakova S. A., Tikhomirova N. A., Trifonov S. V., Kalacheva G. S.
Заглавие : Converting gaseous pollutants toxic to plants and humans into environmentally friendly compounds in artificial ecosystems
Место публикации : IOP Conference Series: Materials Science and Engineering: Institute of Physics Publishing, 2018. - Vol. 450: 9th International Multidisciplinary Scientific and Research Conference on Modern Issues in Science and Technology Workshop in Advanced Technologies in Aerospace, Mechanical and Automation Engineering, MISTAerospace 2018 (20 October 2018 through 28 October 2018, ) Conference code: 143027, Is. 6. - , DOI 10.1088/1757-899X/450/6/062004
Ключевые слова (''Своб.индексиров.''): ecosystems--environmental management--fog--artificial ecosystems--experimental conditions--gaseous pollutants--human waste--liquid products--plant growth--toxic effect--wheat plants--pollution
Аннотация: The present study describes detection of potential gaseous pollutants that can produce a toxic effect on plants and humans in the system with wheat plants cultivated on solutions containing liquid products of mineralization of human waste and fish waste. These gaseous pollutants do not inhibit plant growth and development under the experimental conditions, but they may accumulate in closed ecosystems functioning for extended periods of time. Ways to convert gaseous pollutants into environmentally friendly compounds have been proposed. © 2018 Institute of Physics Publishing. All rights reserved.
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13.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gladyshev M. I.
Заглавие : Quality and Quantity of Biological Production in Water Bodies with Different Concentration of Phosphorus: Case Study of Eurasian Perch
Колич.характеристики :3 с
Коллективы : Russian Academy of Sciences [II.2P/VI.51-1]; State task of the Ministry of Education and Science of the Russian Federation [6.1504.2017/PCh]; Council for Grants of the President of the Russian Federation for State Support of Leading Scientific Schools [NSh-9249.2016.5]
Место публикации : Dokl. Biochem. Biophys.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2018. - Vol. 478, Is. 1. - С. 1-3. - ISSN 1607-6729, DOI 10.1134/S1607672918010015. - ISSN 1608-3091(eISSN)
Примечания : Cited References:15. - This work was supported by the project of the Russian Academy of Sciences no. II.2P/VI.51-1, the State task of the Ministry of Education and Science of the Russian Federation to the Siberian Federal University for research no. 6.1504.2017/PCh, and the Council for Grants of the President of the Russian Federation for State Support of Leading Scientific Schools (project no. NSh-9249.2016.5).
Предметные рубрики: POLYUNSATURATED FATTY-ACIDS
EPA
DHA
Аннотация: For the first time, the quantity of protectors of cardiovascular deceases-omega-3 polyunsaturated fatty acids, eicosapentaenoic (20:5n-3, EPA) and docosahexaenoic (22:6n-3, DHA), obtained through fish (Eurasian perch) catch in water bodies of different trophic status was determined. A formula was drawn to calculate the quantity of obtained EPA + DHA (kg km(-2) year(-1)) depending on the concentration of total phosphorus in water. It is found that the maximum quantity of EPA + DHA can be obtained by humans from fish caught in mesotrophic water bodies.
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14.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gladyshev, Michail I., Sushchik, Nadezhda N., Tolomeev, Alexander P., Dgebuadze, Yury Yu
Заглавие : Meta-analysis of factors associated with omega-3 fatty acid contents of wild fish
Колич.характеристики :23 с
Коллективы : Russian Science Foundation [16-14-10001]
Место публикации : Rev. Fish. Biol. Fish.: SPRINGER, 2018. - Vol. 28, Is. 2. - С. 277-299. - ISSN 0960-3166, DOI 10.1007/s11160-017-9511-0. - ISSN 1573-5184(eISSN)
Примечания : Cited References:138. - The work was supported by a Russian Science Foundation Grant (No. 16-14-10001).
Предметные рубрики: FATTY-ACID-COMPOSITION
DIETARY DOCOSAHEXAENOIC ACID
LONG-CHAIN
Ключевые слова (''Своб.индексиров.''): docosahexaenoic acid--ecomorphological factors--eicosapentaenoic acid--nutritive value--phylogenetic factors
Аннотация: Fish are recognized as the main source of physiologically important omega-3 long-chain polyunsaturated fatty acids, namely, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), for human nutrition. However, muscle tissue contents of these fatty acids in diverse fish species, i.e., their nutritive value for humans, varied within two orders of magnitude. We reviewed contents of EPA and DHA, measured by similar methods using an internal standard during chromatography as mg per g of wet mass in 172 fish species belonging to 16 orders, to evaluate probable variations in phylogenetic and ecological drivers. EPA + DHA content varied from 25.6 mg g(-1) of wet mass (Sardinops sagax) to 0.12 mg g(-1) (Gymnura spp.). Multidimensional redundancy analysis revealed that among phylogenetic, ecomorphological and abiotic environmental factors, the highest proportion of variation contribution belonged to the shared contribution of sets of phylogenetic and ecomorphological factors. Specifically, the highest values of EPA + DHA content were characteristic of fish belonging to the orders Clupeiformes or Salmoniformes, were pelagic fast swimmers, ate zooplankton and inhabited marine waters or migrated from fresh to marine waters (anadromous migrations). High EPA and DHA content in muscle tissues of the above species appeared to be a metabolic adaptation for fast continuous swimming. In contrast to common beliefs, our meta-analysis did not support the significant influence of higher trophic levels (piscivory) and cold environments (homeoviscous adaptation) on EPA and DHA content in fish. However, many causes of high and low levels of physiologically important fatty acids in certain fish species remained unexplained and require evaluation in future studies.
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15.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Sushchik N. N., Zuev I. V., Kalachova G. S., Ageev A. V., Gladyshev M. I.
Заглавие : Content of highly unsaturated fatty acids in fish from rivers of contrasting temperature
Колич.характеристики :10 с
Коллективы : Council on Grants from the President of the Russian Federation for Support of Leading Scientific Schools [NSh-9249.2016.5]; Russian Federal Tasks of Fundamental Research [51.1.1]; Federal Tasks of Ministry of Education and Science of the Russian Federation for Siberian Federal University [6.1504.2017/4.6]
Место публикации : River Res. Appl.: WILEY, 2018. - Vol. 34, Is. 6. - С. 565-574. - ISSN 1535-1459, DOI 10.1002/rra.3286. - ISSN 1535-1467(eISSN)
Примечания : Cited References:73. - Council on Grants from the President of the Russian Federation for Support of Leading Scientific Schools, Grant/Award Number: NSh-9249.2016.5; Russian Federal Tasks of Fundamental Research, Grant/Award Number: 51.1.1; Federal Tasks of Ministry of Education and Science of the Russian Federation for Siberian Federal University, Grant/Award Number: 6.1504.2017/4.6
Предметные рубрики: TROUT ONCORHYNCHUS-MYKISS
SALMON SALMO-SALAR
FRESH-WATER
LONG-CHAIN
Ключевые слова (''Своб.индексиров.''): benthivorous fish--climate warming--polyunsaturated fatty acids--river--water temperature
Аннотация: Contents of highly unsaturated long-chain fatty acids of omega-3 family (HUFA); eicosapentaenoic acid (EPA; 20:5n-3); and docosahexaenoic acid (DHA; 22:6n-3) are the principal indicators of the nutritive quality of fish for humans. Effects of environmental factors, first of all water temperature, on EPA and DHA contents in fish tissue are not currently completely understood. To reveal the putative effect of water temperature, fatty acid composition and contents were studied for 6 fish species, inhabiting the cold waters of the Yenisei River (Siberia, Russia) downstream of a dam (hypolimnetic release from reservoir) and its adjacent warm water tributaries (the Mana River and the Kacha River). It was hypothesized that (a) fish species from the cold river would have higher HUFA contents than fish from the warm rivers and (b) temperature would be negatively correlated with HUFA content in fish species. Using gas chromatography-mass spectrometry, distinct species-specific fatty acid profiles were observed, whereas contents of the essential fatty acids, EPA and DHA, in fish species from the cold Yenisei River were in general similar to that from warm tributaries. Thus, in contrast to the first hypothesis, phylogenetic factors overweighed the effect of water temperature and food (benthic invertebrate) composition, on fatty acid composition and HUFA content in fish. For the second hypothesis, for the 2 species inhabiting both cold and warm rivers, only one had higher EPA and DHA content at lower temperatures. Consequently, the response of EPA and DHA content in fish tissue to temperature variations may be species-specific.
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16.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gladyshev, Michail I., Sushchik, Nadezhda N., Makhutova, Olesia N., Glushchenko, Larisa A., Rudchenko, Anastasia E., Makhrov, Alexander A., Borovikova, Elena A., Dgebuadze, Yury Y.
Заглавие : Fatty Acid Composition and Contents of Seven Commercial Fish Species of Genus Coregonus from Russian Subarctic Water Bodies
Колич.характеристики :12 с
Коллективы : Russian Science Foundation [16-14-10001]
Место публикации : Lipids: SPRINGER HEIDELBERG, 2017. - Vol. 52, Is. 12. - С. 1033-1044. - ISSN 0024-4201, DOI 10.1007/s11745-017-4304-8. - ISSN 1558-9307(eISSN)
Примечания : Cited References:76. - The work was supported by Grant of Russian Science Foundation No. 16-14-10001. We are grateful to Ya. I. Alekseeva, V. S. Artamonova, I. L. Schurov, V. A. Shirokov for their kind help in sample collecting.
Предметные рубрики: SALMON SALMO-SALAR
FRESH-WATER
DOCOSAHEXAENOIC ACIDS
KRASNOYARSK
Ключевые слова (''Своб.индексиров.''): eicosapentaenoic acid--docosahexaenoic acid--anadromous fish--freshwater--fish--planktivory--benthivory
Аннотация: 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.
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17.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Sushchik N. N., Rudchenko A. E., Gladyshev M. I.
Заглавие : Effect of season and trophic level on fatty acid composition and content of four commercial fish species from Krasnoyarsk Reservoir (Siberia, Russia)
Место публикации : Fish. Res.: Elsevier B.V., 2017. - Vol. 187. - С. 178-187. - ISSN 01657836 (ISSN) , DOI 10.1016/j.fishres.2016.11.016
Ключевые слова (''Своб.индексиров.''): fatty acids--piscivorous and omnivorous fish--season--stable isotopes--trophic level
Аннотация: Two groups of factors, phylogenetic and ecological, are presently regarded as controlling fatty acid composition of fish, including essential eicosapentaenoic (EPA) and docosahexaenoic (DHA) acids. Environmental effects, e.g., trophic position, temperature and/or seasonality, were previously studied using sums of fatty acids or only their level data. We tested the hypothesis that differences in trophic levels of piscivorous (pike and perch) and omnivorous (roach and bream) fish from a mesotrophic reservoir allow discriminating levels and contents of individual fatty acids, especially EPA and DHA. The more established measurements, i.e., stomach contents and carbon and nitrogen stable isotopes in fish muscles, were also carried out to provide linkages between the different ecological tracers, fatty acids versus stable isotopes, and matching the methods for long-term food sources (fatty acids and stable isotopes) and recent foraging (stomach content analysis). We also studied a putative influence of seasonality. Similar to other studies, there were seasonal changes in fatty acid composition and contents of two fish, perch and roach, due to direct and indirect effects of water temperature. Meanwhile, the piscivorous and omnivorous species captured in the same month, were explicitly differentiated on a base of stable isotopes and fatty acids. Significantly higher percentages and contents of DHA in piscivorous fish, perch and pike, relatively to those in roach and bream, likely indicated a higher trophic transfer efficiency for this essential fatty acid. All the fishes have commercial importance for regional fishery and are harvested from the studied reservoir for human nutrition. Regarding content of EPA + DHA (mg g?1 fish) as the indicator of nutritive value for humans, pike had the highest nutritive value, roach and perch had intermediate overlapped values, and bream was of the least benefit. © 2016 Elsevier B.V.
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18.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gribble M. O., Karimi R., Feingold B. J., Nyland J. F., O'Hara T. M., Gladyshev M. I., Chen C. Y.
Заглавие : Mercury, selenium and fish oils in marine food webs and implications for human health
Место публикации : J. Mar. Biol. Assoc. U.K. - 2016. - Vol. 96, Is. 1. - С. 43-59. - ISSN 00253154 (ISSN) , DOI 10.1017/S0025315415001356
Ключевые слова (''Своб.индексиров.''): docosahexaenoic acid--ecotoxicology--eicosapentaenoic acid--fish oils--mercury--n-3 fatty acids--oceans and human health--ohh--public health--selenium
Аннотация: Humans who eat fish are exposed to mixtures of healthful nutrients and harmful contaminants that are influenced by environmental and ecological factors. Marine fisheries are composed of a multitude of species with varying life histories, and harvested in oceans, coastal waters and estuaries where environmental and ecological conditions determine fish exposure to both nutrients and contaminants. Many of these nutrients and contaminants are thought to influence similar health outcomes (i.e., neurological, cardiovascular, immunological systems). Therefore, our understanding of the risks and benefits of consuming seafood require balanced assessments of contaminants and nutrients found in fish and shellfish. In this paper, we review some of the reported benefits of fish consumption with a focus on the potential hazards of mercury exposure, and compare the environmental variability of fish oils, selenium and mercury in fish. A major scientific gap identified is that fish tissue concentrations are rarely measured for both contaminants and nutrients across a range of species and geographic regions. Interpreting the implications of seafood for human health will require a better understanding of these multiple exposures, particularly as environmental conditions in the oceans change. © Marine Biological Association of the United Kingdom, 2015.
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19.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gladyshev M. I., Sushchik N. N., Shulepina S. P., Ageev A. V., Dubovskaya O. P., Kolmakova A. A., Kalachova G. S.
Заглавие : Secondary Production of Highly Unsaturated Fatty Acids by Zoobenthos Across Rivers Contrasting in Temperature
Колич.характеристики :12 с
Коллективы : Siberian Federal University [6.1089.214/K]; Russian Federal Tasks of Fundamental Research [51.1.1]
Место публикации : River Res. Appl.: WILEY-BLACKWELL, 2016. - Vol. 32, Is. 6. - С. 1252-1263. - ISSN 1535-1459, DOI 10.1002/rra.2945. - ISSN 1535-1467(eISSN)
Примечания : Cited References:55. - The work was supported by the project no. 6.1089.214/K of Siberian Federal University carried out according to Federal Tasks of Ministry of Education and Science of Russian Federation and by Russian Federal Tasks of Fundamental Research (project no. 51.1.1).
Предметные рубрики: AQUATIC ECOSYSTEMS
CLIMATE-CHANGE
YENISEI RIVER
ALPINE PONDS
LAKE
Ключевые слова (''Своб.индексиров.''): essential polyunsaturated fatty acids--river zoobenthos--secondary--production--biodiversity--water temperature--climate warming
Аннотация: Highly unsaturated fatty acids (HUFA), namely eicosapentaenoic acid (20:5n-3, EPA) and docosahexaenoic acid (22:6n-3, DHA), which are essential for many animals, including humans, are mainly produced in aquatic trophic webs. In fast-flowing rivers, macrozoobenthos is the main source of HUFA for fish and may be particularly vulnerable to thermal alterations associated with climate change. We studied benthic communities in a unique natural ecosystem: the Yenisei River downstream of the dam of Krasnoyarsk Hydroelectric Power Station with very low temperature in summer because of discharge of cold water from deep in the reservoir and its tributaries with high summer temperature. This natural experiment' allowed to get rid of confounding factors, such as differences in light, seasonality, geology (biogeochemistry) and biogeography (regional species pools). As found, in spite of an increase of biodiversity and rates of daily production in warm rivers compared with cold sites, DHA and partly EPA production of zoobenthos decreased with the increase of temperature because of changes in species composition. Thus, in a climate warming context, we can predict a decrease of production of these HUFA by river zoobenthos and thereby a diminishing of their supply for fish and next to humans. Copyright (c) 2015 John Wiley & Sons, Ltd.
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20.

Вид документа : Статья из журнала
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Автор(ы) : Pechurkin N.S., Shuvaev A.N.
Заглавие : The general evolution of energy–matter interactions on earth: From a gas whirlwind to a technogenic civilization
Место публикации : Biophysics. - 2015. - Vol. 60, Is. 2. - С. 331-334. - ISSN 00063509 (ISSN) , DOI 10.1134/S0006350915020153
Ключевые слова (''Своб.индексиров.''): biosphere--energy transfer--evolution--animalia--mammalia--protozoa
Аннотация: An idea of the general evolution through the long-term response of the Earth to the external flow of radiant energy from the Sun is proposed. Due to the finiteness of matter on Earth, as well as on any other planet, the continuous pumping flow of radiant energy has been shown to lead to cyclization of transformations and mass transfer along the emerging gradients. The evolution of the energy–matter interaction follows the pathway of capturing and transferring more energy by a smaller quantity of matter, i.e., the pathway of the increase in the amount of energy used by each unit mass. According to this parameter, the least effective mass transfer is a simple transfer as vortices of gases along the gradients of temperature and pressure, which took place on the primary surface of the planet. Long-term natural selection towards water accumulation on the planet has played a special role in the development of the interaction between energy and matter. Phase transitions (ice, water, and vapor) and mechanical transfers are the most common energy–matter processes. Chemical transformation of substances became possible based on water cycles, cyclic transfers, and transformations and developed with time into biological transformation. This type of energy–matter interaction is the most efficient. In particular, the energy of our star is captured during photosynthesis and utilized in the most active region of its radiation spectrum. During the biological evolution of heterotrophs, a increase in the coefficient that characterizes the energy exchange intensity from protozoa to mammals by several hundred times is most illustrative. The development and current dominance of humans as the species that is most active in the capturing of energy and meaningful organization of its new flows, in particular, based on the organic debris of former biospheres, is amazing but quite natural from the energy standpoint. During the technological evolution of humankind, the energy-exchange intensity for homoiotherms (warm-blooded animals) has increased by 20 times if it is recalculated for the technological energy that is used by the average inhabitant of the Earth. Thus, the victory of our species in planetary evolution fits well into the mainstream of the general evolution through energy–matter interactions: a multiple increase in star energy has been used to transform the matter on the surface of the irradiated planet. © 2015, Pleiades Publishing, Inc.
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