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Fatty Acid Composition and Contents of Fish of Genus Salvelinus from Natural Ecosystems and Aquaculture / M. I. Gladyshev, A. A. Makhrov, I. V. Baydarov [et al.] // Biomolecules. - 2022. - Vol. 12, Is. 1. - Ст. 144, DOI 10.3390/biom12010144. - Cited References:82 . - ISSN 2218-273X

РУБ Biochemistry & Molecular Biology
Рубрики:
ALPINUS SALMONIDAE
   MOLECULAR ACTIVITY
   SEASONAL DYNAMICS
   SYMPATRIC
Кл.слова (ненормированные):
eicosapentaenoic acid -- docosahexaenoic acid -- Arctic charr -- brook trout -- nutritive value
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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Держатели документа:
Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Inst Biophys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, RAS, Inst Biophys SB, Krasnoyarsk 660041, Russia.
Russian Acad Sci, AN Severtsov Inst Ecol & Evolut, Moscow 119071, Russia.
Russian State Agr Univ, Moscow Timiryazev Agr Acad, Dept Anim Sci, Moscow 127550, Russia.
Fed Select & Genet Ctr Fish Farming, Ropsha 188514, Russia.
Russian Acad Sci, Koltzov Inst Dev Biol, Moscow 119334, Russia.

Доп.точки доступа:
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.; Rudchenko, Anastasia

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Fatty acid content and composition in tissues of Baikal grayling (Thymallus baicalensis), with a special focus on DHA synthesis / O. N. Makhutova, K. N. Stoyanov // Aquac. Int. - 2021, DOI 10.1007/s10499-021-00755-w. - 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"). . - Article in press. - ISSN 0967-6120. - ISSN 1573-143X

РУБ Fisheries
Рубрики:
COD GADUS-MORHUA
   DOCOSAHEXAENOIC ACID
   SEASONAL DYNAMICS
   FISH
Кл.слова (ненормированные):
Docosahexaenoic fatty acid -- Sprecher pathway -- Fish diet -- Furan fatty -- acids -- Aquaculture
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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Держатели документа:
Russian Acad Sci Akademgorodok, Siberian Branch, Inst Biophys, Fed Res Ctr,Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, 79 Svobodny Pr, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Makhutova, Olesia N.; Stoyanov, Kirill N.; 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]

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Fatty acid content and composition in tissues of Baikal grayling (Thymallus baicalensis), with a special focus on DHA synthesis / O. N. Makhutova, K. N. Stoyanov // Aquac. Int. - 2021, DOI 10.1007/s10499-021-00755-w . - Article in press. - ISSN 0967-6120
Кл.слова (ненормированные):
Aquaculture -- Docosahexaenoic fatty acid -- Fish diet -- Furan fatty acids -- Sprecher pathway
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.

Scopus
Держатели документа:
Institute of Biophysics of Federal Research Center “Krasnoyarsk Science Center” of Siberian Branch of Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, 79 Svobodny pr, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Makhutova, O. N.; Stoyanov, K. N.

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Blends of poly-3-hydroxybutyrate and poly-ε-caprolactone: Morphology, properties and biocompatibility / A. N. Boyandin, A. A. Sukhanova, E. D. Nikolaeva [et al.] // AIP Conference Proceedings : American Institute of Physics Inc., 2021. - Vol. 2388: 4th International Conference on Modern Synthetic Methodologies for Creating Drugs and Functional Materials, MOSM 2020 (16 November 2020 through 20 November 2020, ) Conference code: 174383. - Ст. 020002, DOI 10.1063/5.0068677
Аннотация: A series of films was obtained from blends of poly-3-hydroxybutyrate (PHB) and poly-s-caprolactone (PCL). The structure, physical, mechanical and biological properties of the films were studied, depending on the ratio of the components. The microscopic structure of mixed films was determined by the main component of the blend: the films were porous with a predominance of PHB and relatively smooth with a predominance of PCL. The highest values of elongation at break (229-269%), as well as the local maximum values of tensile strength (14-15 MPa) were noted for blends with 5-25% PHB content. At PHB content of 25% and 75%, local maxima of Young's modulus were observed (507 and 655 MPa, respectively). When the ratio of the components in the blend was equal (50:50 by weight), the films were heterogeneous and had the lowest values of mechanical strength (ultimate strength and elongation at break were 3 MPa and 15.5%, respectively). A study of the biocompatibility of mixed films in a culture of NIH 3T3 mouse fibroblasts based on determination of the number of adhered cells in the MTT test showed the absence of cytotoxic action, as well as high adhesion and cell proliferation, in some cases exceeding the data for films from pure PHB and PCL. This demonstrates the suitability of PHB-PCL blends for the production of cell carriers for tissue engineering and other reconstructive technologies. © 2021 Author(s).

Scopus
Держатели документа:
Reshetnev Siberian State University of Science and Technology, 31 Krasnoyarsky Rabochy Av., Krasnoyarsk, 660037, Russian Federation
Institute of Biophysics of the Siberian Branch, Russian Academy of Sciences, Federal Research Center Krasnoyarsk Science Center of the Siberian Branch, Russian Academy of Sciences, 50, build. 50, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
International Scientific Centre for Studying Extreme States of An Organism, Federal Research Center Krasnoyarsk Science Center of the Siberian Branch, Russian Academy of Sciences, 50, build.12/2, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, 79 Svobodnyi Av., Krasnoyarsk, 660041, Russian Federation
Federal Research Center, Krasnoyarsk Scientific Center of the Siberian Branch, Russian Academy of Sciences, 50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Boyandin, A. N.; Sukhanova, A. A.; Nikolaeva, E. D.; Sukovatyi, A. G.; Nemtsev, I. V.

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Crystal structure of semisynthetic obelin-v / M. D. Larionova, L. J. Wu, E. V. Eremeeva [et al.] // Protein Sci. - 2021, DOI 10.1002/pro.4244. - Cited References:69. - National Natural Science Foundation of China, Grant/Award Number: 32011530076; Russian Foundation for Basic Research, Grant/Award Numbers: 20-04-00085, 20-44-240006, 20-54-53011 . - Article in press. - ISSN 0961-8368. - ISSN 1469-896X

РУБ Biochemistry & Molecular Biology
Рубрики:
CA2+-REGULATED PHOTOPROTEIN OBELIN
PHOTOLUMINESCENCE QUANTUM YIELD
Кл.слова (ненормированные):
analog -- bioluminescence -- coelenterazine -- coelenterazine-v -- obelin -- photoprotein -- protein structure
Аннотация: Coelenterazine-v (CTZ-v), a synthetic derivative with an additional benzyl ring, yields a bright bioluminescence of Renilla luciferase and its "yellow" mutant with a significant shift in the emission spectrum toward longer wavelengths, which makes it the substrate of choice for deep tissue imaging. Although Ca2+-regulated photoproteins activated with CTZ-v also display red-shifted light emission, in contrast to Renilla luciferase their bioluminescence activities are very low, which makes photoproteins activated by CTZ-v unusable for calcium imaging. Here, we report the crystal structure of Ca2+-regulated photoprotein obelin with 2-hydroperoxycoelenterazine-v (obelin-v) at 1.80 angstrom resolution. The structures of obelin-v and obelin bound with native CTZ revealed almost no difference; only the minor rearrangement in hydrogen-bond pattern and slightly increased distances between key active site residues and some atoms of 2-hydroperoxycoelenterazine-v were found. The fluorescence quantum yield (phi(FL)) of obelin bound with coelenteramide-v (0.24) turned out to be even higher than that of obelin with native coelenteramide (0.19). Since both obelins are in effect the enzyme-substrate complexes containing the 2-hydroperoxy adduct of CTZ-v or CTZ, we reasonably assume the chemical reaction mechanisms and the yields of the reaction products (phi(R)) to be similar for both obelins. Based on these findings we suggest that low bioluminescence activity of obelin-v is caused by the low efficiency of generating an electronic excited state (phi(S)). In turn, the low phi(S) value as compared to that of native CTZ might be the result of small changes in the substrate microenvironment in the obelin-v active site.

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Держатели документа:
SB RAS, Fed Res Ctr Krasnoyarsk Sci Ctr SB RAS, Photobiol Lab, Inst Biophys, Krasnoyarsk, Russia.
ShanghaiTech Univ, iHuman Inst, Ren Bldg,393 Middle Huaxia Rd, Shanghai 201210, Peoples R China.
Siberian Fed Univ, Inst Fundamental Biol & Biotechnol, Krasnoyarsk, Russia.
ShanghaiTech Univ, Sch Life Sci & Technol, Shanghai, Peoples R China.

Доп.точки доступа:
Larionova, Marina D.; Wu, Lijie; Eremeeva, Elena, V; Natashin, Pavel, V; Gulnov, Dmitry, V; Nemtseva, Elena, V; Liu, Dongsheng; Liu, Zhi-Jie; Vysotski, Eugene S.; Eremeeva, Elena; Nemtseva, Elena; Vysotski, Eugene; Gulnov, Dmitry; Natashin, Pavel; Larionova, Marina; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [32011530076]; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [20-04-00085, 20-44-240006, 20-54-53011]

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Comparison of Fatty Acid Contents in Major Lipid Classes of Seven Salmonid Species from Siberian Arctic Lakes / N. N. Sushchik, O. N. Makhutova, A. E. Rudchenko [et al.] // Biomolecules. - 2020. - Vol. 10, Is. 3. - Ст. 419, DOI 10.3390/biom10030419. - Cited References:60. - This research was funded by the Russian Science Foundation, grant number 16-14-10001. . - ISSN 2218-273X

РУБ Biochemistry & Molecular Biology
Рубрики:
LONG-CHAIN
   FISH
   QUALITY
   OMEGA-3
   MARINE
   WILD
   TISSUE
   FOOD
Кл.слова (ненормированные):
arctic -- Salmoniformes -- long-chain polyunsaturated fatty acids -- polar -- lipids -- triacylglycerols -- eicosapentaenoic acid -- docosahexaenoic acid
Аннотация: 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.

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Держатели документа:
Russian Acad Sci, Krasnoyarsk Sci Ctr, Fed Res Ctr, Inst Biophys,Siberian Branch, Akademgorodok 50-50, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Svobodny Ave 79, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Sushchik, Nadezhda N.; Makhutova, Olesia N.; Rudchenko, Anastasia E.; Glushchenko, Larisa A.; Shulepina, Svetlana P.; Kolmakova, Anzhelika A.; Gladyshev, Michail I.; Makhutova, Olesia; Russian Science FoundationRussian Science Foundation (RSF) [16-14-10001]

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The benefit-risk analysis of omega-3 polyunsaturated fatty acids and heavy metals in seven smoked fish species from Siberia / M. I. Gladyshev, O. V. Anishchenko, O. N. Makhutova [et al.] // J. Food Compos. Anal. - 2020. - Vol. 90: 12th International Food Data Conference (IFDC) (OCT 11-13, 2017, Buenos Aires, ARGENTINA). - Ст. 103489, DOI 10.1016/j.jfca.2020.103489. - Cited References:66. - The work was supported by the Russian Science Foundation grant (No. 16-14-10001). . - ISSN 0889-1575. - ISSN 1096-0481

РУБ Chemistry, Applied + Food Science & Technology
Рубрики:
FRESH-WATER
   COMMERCIAL FISH
   MUSCLE-TISSUE
   COREGONUS
   MERCURY
Кл.слова (ненормированные):
Eicosapentaenoic acid -- Docosahexaenoic acid -- Coregonus -- Hazard -- quotients -- Lead -- GenBank
Аннотация: In cold smoked species of genus Coregonus, identified by molecular genetic analysis, contents of fatty acids and heavy metals and arsenic were measured. The highest content of sum of long-chain polyunsaturated fatty acids of omega-3 family (LC-PUFA), namely eicosapentaenoic (EPA) and docosahexaenoic (DHA) fatty acids, 6.53 +/- 0.78 mg g(-1) wet weight, was characteristic of tugun Coregonus tugun. This is the first quantitative estimation (mg LC-PUFA per g of product) of the nutritive value of smoked fish. Thus, to obtain a daily personal doze of EPA + DHA of 1 g, recommended for prevention of cardiovascular diseases, one needs to consume 153 g of the smoked tugun. Metals contents did not exceed standards for fish meat except Pb in least cisco Coregonus sardinella. Accordingly, values of hazard quotients, which estimate benefit-risk ratio of fish intake, indicate that most of the smoked fish species are safe product for human nutrition, except least cisco regarding Pb content.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Inst Biophys, Akademgorodok 50-50, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Svobodny Av 79, Krasnoyarsk 660041, Russia.
Fed Reg Ctr Standardizat Metrol & Testing Krasnoy, 1a Vavilov Str, Krasnoyarsk 660093, Russia.

Доп.точки доступа:
Gladyshev, Michail I.; Anishchenko, Olesia V.; Makhutova, Olesia N.; Kolmakova, Olesia V.; Trusova, Maria Y.; Morgun, Vasiliy N.; Gribovskaya, Iliada V.; Sushchik, Nadezhda N.; Russian Science FoundationRussian Science Foundation (RSF) [16-14-10001]

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Fatty acid content and composition of the yakutian horses and their main food source: living in extreme winter conditions / K. A. Petrov, L. V. Dudareva, V. V. Nokhsorov [et al.] // Biomolecules. - 2020. - Vol. 10, Is. 2. - Ст. 315, DOI 10.3390/biom10020315 . - ISSN 2218-273X
Кл.слова (ненормированные):
Alpha-linolenic acid -- Essential polyunsaturated fatty acids -- Food quality -- Green cryo-fodder -- Linoleic acid -- Liver -- Muscle tissue -- Subcutaneous adipose tissue
Аннотация: For the first time, seasonal changes in the content of total lipids (TLs) and phospholipids (PLs) were studied in fodder plants growing in Central Yakutia—a perennial cereal, smooth brome (Bromopsis inermis L.), and an annual cereal, common oat (Avena sativa L.). Both species have concentrated TLs and PLs in autumn under cold hardening. In addition, a significant increase in the content of fatty acids (FAs) of B. inermis was observed during the autumn decrease in temperature. The Yakutian horses, which fed on cereals enriched with nutrients preserved by natural cold (green cryo-fodder), accumulated significant amounts of 18:2n-6 and 18:3n-3, the total content of which in cereals was 75% of the total FA content. We found differences in the distribution of these two FAs in different tissues of the horses. Thus, liver was rich in 18:2n-6, while muscle and adipose tissues accumulated mainly 18:3n-3. Such a distribution may indicate different roles of these FAs in the metabolism of the horses. According to FA content, meat of the Yakutian horses is a valuable dietary product. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.

Scopus
Держатели документа:
Institute for Biological Problems of Cryolithozone of Siberian Branch of the Russian Academy of Sciences, 41 Lenina av., Yakutsk, 677000, Russian Federation
Siberian Institute of Plant Physiology and Biochemistry, Siberian Branch of Russian Academy of Sciences, 132 Lermontova str., Irkutsk, 664033, Russian Federation
North-Eastern Federal University, 48 Kulakovskogo str., Yakutsk, 677000, Russian Federation
Siberian Federal University, 79 Svobodny pr., Krasnoyarsk, 660041, Russian Federation
Institute of Biophysics of Federal Research Center “Krasnoyarsk Science Center” of Siberian Branch of Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Petrov, K. A.; Dudareva, L. V.; Nokhsorov, V. V.; Stoyanov, K. N.; Makhutova, O. N.

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Fatty Acid Content and Composition of the Yakutian Horses and Their Main Food Source: Living in Extreme Winter Conditions / K. A. Petrov, L. V. Dudareva, V. V. Nokhsorov [et al.] // Biomolecules. - 2020. - Vol. 10, Is. 2. - Ст. 315, DOI 10.3390/biom10020315. - Cited References:62. - This research was funded by the State Assignment within the framework of the fundamental research program of the Russian Federation, topic No. 51.1.1; the Government Assignment given by the Ministry of Science and Higher Education of the Russian Federation to Siberian Federal University in 2020 (Project "Biologically active substances in trophic chains of aquatic ecosystems as essential components of human diet and markers for fisheries resource conservation"; the state task of the Ministry of Education and Science of Russia (FSRG-2020-0019). . - ISSN 2218-273X

РУБ Biochemistry & Molecular Biology
Рубрики:
MEMBRANE-LIPIDS
   MEAT QUALITY
   TEMPERATURE
   CARCASS
   GROWTH
Кл.слова (ненормированные):
essential polyunsaturated fatty acids -- linoleic acid -- alpha-linolenic -- acid -- food quality -- muscle tissue -- subcutaneous adipose tissue -- liver -- green cryo-fodder
Аннотация: For the first time, seasonal changes in the content of total lipids (TLs) and phospholipids (PLs) were studied in fodder plants growing in Central Yakutia-a perennial cereal, smooth brome (Bromopsis inermis L.), and an annual cereal, common oat (Avena sativa L.). Both species have concentrated TLs and PLs in autumn under cold hardening. In addition, a significant increase in the content of fatty acids (FAs) of B. inermis was observed during the autumn decrease in temperature. The Yakutian horses, which fed on cereals enriched with nutrients preserved by natural cold (green cryo-fodder), accumulated significant amounts of 18:2n-6 and 18:3n-3, the total content of which in cereals was 75% of the total FA content. We found differences in the distribution of these two FAs in different tissues of the horses. Thus, liver was rich in 18:2n-6, while muscle and adipose tissues accumulated mainly 18:3n-3. Such a distribution may indicate different roles of these FAs in the metabolism of the horses. According to FA content, meat of the Yakutian horses is a valuable dietary product.

WOS
Держатели документа:
Russian Acad Sci, Inst Biol Problems Cryolithozone, Siberian Branch, 41 Lenina Av, Yakutsk 677000, Russia.
Russian Acad Sci, Siberian Inst Plant Physiol & Biochem, Siberian Branch, 132 Lermontova Str, Irkutsk 664033, Russia.
North Eastern Fed Univ, 48 Kulakovskogo Str, Yakutsk 677000, Russia.
Siberian Fed Univ, 79 Svobodny Pr, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Inst Biophys, Fed Res Ctr, Krasnoyarsk Sci Ctr,Siberian Branch, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Petrov, Klim A.; Dudareva, Lyubov, V; Nokhsorov, Vasiliy V.; Stoyanov, Kirill N.; Makhutova, Olesia N.; Stoyanov, Kirill; Russian FederationRussian Federation [51.1.1]; Ministry of Science and Higher Education of the Russian Federation; Ministry of Education and Science of RussiaMinistry of Education and Science, Russian Federation [FSRG-2020-0019]

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10.

Polyunsaturated Fatty Acid Content in Muscle Tissue Is Associated with the Duration of Embryo Development in Salmonoid Fishes (Salmonoidei) / V. S. Artamonova, A. A. Makhrov, M. I. Gladyshev [et al.] // Dokl. Biochem. Biophys. - 2020. - Vol. 491, Is. 1. - P59-61, DOI 10.1134/S1607672920020039. - Cited References:14. - The study was supported by the Russian Science Foundation (project no. 16-14-10001). . - ISSN 1607-6729. - ISSN 1608-3091

РУБ Biochemistry & Molecular Biology + Biophysics
Рубрики:
DYNAMICS
FOOD
Кл.слова (ненормированные):
salmonid fishes of families Coregonidae and Salmonidae -- polyunsaturated -- fatty acids -- eicosapentaenoic acid (EPA) -- docosahexaenoic acid (DHA) -- embryogenesis
Аннотация: A hypothesis was advanced and grounded that the total content of eicosapentaenoic (EPA, 20:5n-3) and docosahexaenoic (DHA, 22:6n-3) acids in fish muscle tissue is associated with the species-specific (taxon-specific) duration of embryo development. A meta-analysis of the original and published data was performed using fishes of the families Coregonidae and Salmonidae as an example. Fishes with longer embryo development times, which are observed at lower temperatures, were found to have significantly higher EPA + DHA contents in muscles as compared with the species that belong to the same families but have shorter embryo development times. This association was explained by the fact that an embryo forms more cells per unit tissue volume at lower temperatures, which requires a greater specific amount of cell membranes and, therefore, greater amounts of EPA and DHA to produce them.

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Держатели документа:
Russian Acad Sci, Severtsov Inst Ecol & Evolut, Moscow 119071, Russia.
Russian Acad Sci, Inst Biophys, Fed Res Ctr, Krasnoyarsk Sci Ctr,Siberian Branch, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Artamonova, V. S.; Makhrov, A. A.; Gladyshev, M. I.; Sushchik, N. N.; Dgebuadze, Y. Y.; Russian Science FoundationRussian Science Foundation (RSF) [16-14-10001]

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11.

Poly-3-hydroxybutyrate/chitosan composite films and nonwoven mats / A. A. Sukhanova, A. E. Murzova, A. N. Boyandin [et al.] // Int. J. Biol. Macromol. - 2020. - Vol. 165. - P2947-2956, DOI 10.1016/j.ijbiomac.2020.10.177 . - ISSN 0141-8130
Кл.слова (ненормированные):
Chitosan -- Composites -- Films -- Nonwoven mats -- Physicochemical properties -- Poly-3-hydroxybutyrate -- Tissue engineering
Аннотация: Composite films and nonwoven mats of the poly-3-hydroxybutyrate and chitosan natural polymers were prepared and investigated. DSC and FTIR techniques were used to confirm that P(3HB) blending with chitosan resulted in a decrease in P(3HB) crystallinity to 47% and 62% in the films and nonwoven mats, respectively. Scanning electron microscopy showed that addition of chitosan induced changes in the surface morphology of the composite films and a reduction in the diameter of ultrafine fibers in the nonwoven mats from 800 nm to 460 nm. The values of water contact angle for films (53°) and nonwoven mats (50.6°) suggested that chitosan enhanced hydrophilic properties and moisture absorption capacity of the composite materials. On the other hand, P(3HB) showed its reinforcing ability and improved the physical/mechanical properties of chitosan. The work included studies of in vitro biodegradation of the composite specimens and their ability to maintain cell growth and attachment in NIH 3T3 fibroblast culture. © 2020

Scopus
Держатели документа:
Reshetnev Siberian State University of Science and Technology, 31 Krasnoyarsky Rabochy Av., Krasnoyarsk, 660037, Russian Federation
Siberian Federal University, 79 Svobodnyi Av., Krasnoyarsk, 660041, Russian Federation
Institute of Biophysics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Federal Research Center Krasnoyarsk Scientific Center of the Siberian Branch of Russian Academy of Sciences, 50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Sukhanova, A. A.; Murzova, A. E.; Boyandin, A. N.; Kiselev, E. G.; Sukovatyi, A. G.; Kuzmin, A. P.; Shabanov, A. V.

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12.

Poly-3-hydroxybutyrate/chitosan composite films and nonwoven mats / A. A. Sukhanova, A. E. Murzova, A. N. Boyandin [et al.] // Int. J. Biol. Macromol. - 2020. - Vol. 165. - P2947-2956, DOI 10.1016/j.ijbiomac.2020.10.177. - Cited References:54. - This study was carried out as part of the State Assignment of the Ministry of Education and Science of the Russian Federation to the team of the research laboratory "Intellectual Materials and Structures" within the project "Development of the methods for modifying polymer matrices containing particulate and fibrous fillers of various origins for creating smart multifunctional materials" (subject number FEFE-2020-0015). . - ISSN 0141-8130. - ISSN 1879-0003

РУБ Biochemistry & Molecular Biology + Chemistry, Applied + Polymer Science
Рубрики:
BIODEGRADABLE POLY-3-HYDROXYBUTYRATE
BIOMEDICAL APPLICATIONS
BACTERIAL
Кл.слова (ненормированные):
Composites -- Poly-3-hydroxybutyrate -- Chitosan -- Films -- Nonwoven mats -- Physicochemical properties -- Tissue engineering
Аннотация: Composite films and nonwoven mats of the poly-3-hydroxybutyrate and chitosan natural polymers were prepared and investigated. DSC and FTIR techniques were used to confirm that P(3HB) blending with chitosan resulted in a decrease in P(3HB) crystallinity to 47% and 62% in the films and nonwoven mats, respectively. Scanning electron microscopy showed that addition of chitosan induced changes in the surface morphology of the composite films and a reduction in the diameter of ultrafine fibers in the nonwoven mats from 800 nm to 460 nm. The values of water contact angle for films (53 degrees) and nonwoven mats (50.6 degrees) suggested that chitosan enhanced hydrophilic properties and moisture absorption capacity of the composite materials. On the other hand, P(3HB) showed its reinforcing ability and improved the physical/mechanical properties of chitosan. The work included studies of in vitro biodegradation of the composite specimens and their ability to maintain cell growth and attachment in NIH 3T3 fibroblast culture. (c) 2020 Published by Elsevier B.V.

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Держатели документа:
Reshetnev Siberian State Univ Sci & Technol, 31 Krasnoyarsky Rabochy Av, Krasnoyarsk 660037, Russia.
Siberian Fed Univ, 79 Svobodnyi Av, Krasnoyarsk 660041, Russia.
Krasnoyarsk Sci Ctr SB RAS, Inst Biophys SB RAS, Fed Res Ctr, 50-50 Akademgorodok, Krasnoyarsk 660036, Russia.
Russian Acad Sci, Fed Res Ctr, Siberian Branch, Krasnoyarsk Sci Ctr, 50 Akademgorodok, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Sukhanova, A. A.; Murzova, A. E.; Boyandin, A. N.; Kiselev, E. G.; Sukovatyi, A. G.; Kuzmin, A. P.; Shabanov, A., V; Ministry of Education and Science of the Russian FederationMinistry of Education and Science, Russian Federation [FEFE-2020-0015]

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13.

Extraction of Nanochitin from Marine Resources and Fabrication of Polymer Nanocomposites: Recent Advances / B. Joseph, R. M. Sam, P. Balakrishnan [et al.] // Polymers. - 2020. - Vol. 12, Is. 8. - Ст. 1664, DOI 10.3390/polym12081664. - Cited References:128. - This study was financially supported by project "Agro preparations of the new generation: a strategy of construction and realization" (agreement number 074-02-2018-328) in accordance with resolution number 220 of the Government of the Russian Federation of 9 April 2010, "On measures designed to attract leading scientists to the Russian institutions of higher learning." S.C.M.F. is the recipient of an E2S UPPA Research Partnership Chair (MANTA: Marine Materials) supported by the "Investissements d'Avenir" French program managed by ANR (ANR-16-IDEX-0002), the Region Nouvelle-Aquitaine and the Communaute d'Agglomeration du Pays Basque, France. . - ISSN 2073-4360

РУБ Polymer Science
Рубрики:
NATURAL-RUBBER NANOCOMPOSITES
ELECTROSPUN PVDF MEMBRANE
ALPHA-CHITIN
Кл.слова (ненормированные):
nanochitin -- biodegradable -- marine -- reinforcement -- polysaccharides
Аннотация: Industrial sea food residues, mainly crab and shrimp shells, are considered to be the most promising and abundant source of chitin. In-depth understanding of the biological properties of chitin and scientific advancements in the field of nanotechnology have enabled the development of high-performance chitin nanomaterials. Nanoscale chitin is of great economic value as an efficient functional and reinforcement material for a wide range of applications ranging from water purification to tissue engineering. The use of polymers and nanochitin to produce (bio) nanocomposites offers a good opportunity to prepare bioplastic materials with enhanced functional and structural properties. Most processes for nanochitin isolation rely on the use of chemical, physical or mechanical methods. Chitin-based nanocomposites are fabricated by various methods, involving electrospinning, freeze drying, etc. This review discusses the progress and new developments in the isolation and physico-chemical characterization of chitin; it also highlights the processing of nanochitin in various composite and functional materials.

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Держатели документа:
Mahatma Gandhi Univ, Int & Inter Univ Ctr Nanosci & Nanotechnol, Kottayam 686560, Kerala, India.
Bishop Moore Coll, Res & Post Grad Dept Chem, Mavelikara 690110, Kerala, India.
Plant Lipids Pvt Ltd, Cochin 682311, Kerala, India.
Siberian Fed Univ, Russian Acad Sci, Inst Biophys, Krasnoyarsk 660041, Russia.
Univ Pau & Pays Adour, Inst Interdisciplinary Res Environm & Mat IPREM, IPREM, CNRS,E2S UPPA, F-64600 Anglet, France.
Mahatma Gandhi Univ, Sch Energy Mat, Kottayam 686560, Kerala, India.

Доп.точки доступа:
Joseph, Blessy; Sam, Rubie Mavelil; Balakrishnan, Preetha; Maria, Hanna J.; Gopi, Sreeraj; Volova, Tatiana; Fernandes, Susana C. M.; Thomas, Sabu; Government of the Russian Federation [074-02-2018-328, 220]; "Investissements d'Avenir" French programFrench National Research Agency (ANR) [ANR-16-IDEX-0002]; Region Nouvelle-AquitaineRegion Nouvelle-Aquitaine; Communaute d'Agglomeration du Pays Basque, France

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14.

Production of Porous Films Based on Biodegradable Polyesters by the Casting Solution Technique Using a Co-Soluble Porogen (Camphor) / A. N. Boyandin, L. M. Dvoinina, A. G. Sukovatyi, A. A. Sukhanova // Polymers. - 2020. - Vol. 12, Is. 9. - Ст. 1950, DOI 10.3390/polym12091950. - Cited References:42. - This work was carried out by the team of the scientific laboratory "Smart Materials and Structures" within the state assignment of the Ministry of Science and Higher Education of the Russian Federation for the implementation of the project "Development of multifunctional smart materials and structures based on modified polymer composite materials capable to function in extreme conditions" (Project No. FEFE-2020-0015). . - ISSN 2073-4360

РУБ Polymer Science
Рубрики:
TISSUE ENGINEERING APPLICATIONS
   SCAFFOLDS
   FABRICATION
   POLYMERS
Кл.слова (ненормированные):
polyhydroxybutyrate -- polycaprolactone -- biopolymers -- polyesters -- porosity -- co-soluble porogen -- camphor
Аннотация: Porous films have been prepared from degradable polymers-poly-3-hydroxybutyrate (PHB), poly-epsilon-caprolactone (PCL) and a blend of these polymers (1:3)-by adding porogen (camphor) to the polymer solution at 10%, 30% or 50% of the total mass of the polymer and porogen, and leaching it out afterwards. After the rinse, camphor content in films decreased to about 0.025%. The structure, physical/mechanical and biological properties of the films were investigated as dependent on their composition and porosity, which varied depending on the amount of camphor added. The surface of PHB films was porous, the PCL films were relatively smooth, and the PHB/PCL films had an intermediate structure. The addition of camphor increased the thickness (from 35 to 45 mu m, from 40 to 80 mu m and from 20 to 65 mu m for PHB, PCL and PHB/PCL, respectively) and porosity (from 4.2(+/- 3.6)% to 50.0(+/- 12.8)%, from 6.4(+/- 5.5)% to 54.5(+/- 6.0)% and from 4.9(+/- 4.8)% to 51.5(+/- 5.8)%, respectively) of the films. The introduction (and removal) of 10% camphor into the PHB and PHB/PCL films led to an approximately twofold increase in the polar component of the free surface energy (from 5.4 +/- 0.38 to 11.8 +/- 1.33 and from 2.7 +/- 0.13 to 5.2 +/- 0.09 mN/m, respectively) but in other cases, on the contrary, a decrease in this indicator was registered. The increase of camphor addition from 0% to 50% gradually impaired mechanical properties of the films: so, Young's modulus decreased from 3.6 to 1.8 GPa, from 0.30 to 0.12 GPa and from 0.50 to 0.20 GPa for PHB, PCL and PHB/PCL, respectively. At the same time, the water vapor transmission rate considerably increased from 197.37 +/- 23.62 to 934.03 +/- 114.34 g/m(2)/d for PHB films; from 1027.99 +/- 154.10 to 7014.62 +/- 280.81 g/m(2)/d for PCL films; and from 715.47 +/- 50.08 to 4239.09 +/- 275.54 g/m(2)/d for PHB/PCL films. Results of biocompatibility testing in the culture of NIH 3T3 mouse fibroblast cells showed that for the most of experimental samples cell adhesion and proliferation were comparable or superior to the corresponding parameters on the initial nonporous films. The best results were obtained for PHB films where at Day 3 of the experiment the registered cell density for experimental samples arrived at 2.66(+/- 0.26) x 10(5) cells/cm(2) versus 1.29(+/- 0.33) x 10(5) cells/cm(2) in the control. So, the proposed method can be used to construct highly porous cell scaffolds for cellular engineering.

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Держатели документа:
Reshetnev Siberian State Univ Sci & Technol, 31 Krasnoyarsky Rabochy Av, Krasnoyarsk 660037, Russia.
Russian Acad Sci, Fed Res Ctr, Inst Biophys, Siberian Branch,Krasnoyarsk Sci Ctr SB RAS, 50-50 Akademgorodok, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, 79 Svobodnyi Av, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Boyandin, Anatoly Nikolayevich; Dvoinina, Ljublyana Mikhailovna; Sukovatyi, Aleksey Grigorievich; Sukhanova, Anna Alekseevna; A., Aleksey; Boyandin, Anatoly; Ministry of Science and Higher Education of the Russian Federation [FEFE-2020-0015]

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15.

Biotechnological wound dressings based on bacterial cellulose and degradable copolymer P(3HB/4HB) / T. G. Volova [et al.] // Int. J. Biol. Macromol. - 2019. - Vol. 131. - P230-240, DOI 10.1016/j.ijbiomac.2019.03.068. - Cited By :1 . - ISSN 0141-8130
Кл.слова (ненормированные):
Bacterial cellulose -- Composites -- Polyhydroxyalkanoates -- 3 hydroxybutyric acid 4 hydroxybutyric acid copolymer -- actovegin -- bacterial cellulose -- cellulose -- collagen type 1 -- copolymer -- cytokeratin 10 -- cytokeratin 14 -- solcoseryl -- unclassified drug -- angiogenesis -- animal cell -- animal experiment -- animal model -- animal tissue -- biochemical analysis -- biocompatibility -- burn -- cell growth -- controlled study -- cutaneous parameters -- differential scanning calorimetry -- drug release -- elemental analysis -- female -- fibroblast -- histopathology -- in vitro study -- in vivo study -- inflammation -- mechanics -- nonhuman -- rat -- Review -- wound healing -- wound planimetry -- X ray analysis
Аннотация: Hybrid wound dressings have been constructed using two biomaterials: bacterial cellulose (BC) and copolymer of 3-hydroxybutyric and 4-hydroxybutyric acids [P(3HB/4HB)] – a biodegradable polymer of microbial origin. Some of the experimental membranes were loaded with drugs promoting wound healing and epidermal cells differentiated from multipotent adipose-derived mesenchymal stem cells. A study has been carried out to investigate the structure and physical/mechanical properties of the membranes. The in vitro study showed that the most effective scaffolds for growing fibroblasts were composite BC/P(3HB/4HB) films loaded with actovegin. Two types of the experimental biotechnological wound dressings – BC/P(3HB/4HB)/actovegin and BC/P(3HB/4HB)/fibroblasts – were tested in vivo, on laboratory animals with model third-degree skin burns. Wound planimetry, histological examination, and biochemical and molecular methods of detecting factors of angiogenesis, inflammation, type I collagen, and keratin 10 and 14 were used to monitor wound healing. Experimental wound dressings promoted healing more effectively than VoskoPran – a commercial wound dressing. © 2019

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Держатели документа:
Siberian Federal University, 79 Svobodnyi Av., Krasnoyarsk, 660041, Russian Federation
Institute of Biophysics of Siberian Branch of Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, 1 Partizan Zheleznyak Street, Krasnoyarsk, 660022, Russian Federation

Доп.точки доступа:
Volova, T. G.; Shumilova, A. A.; Nikolaeva, E. D.; Kirichenko, A. K.; Shishatskaya, E. I.

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16.

Meta-analysis of factors associated with omega-3 fatty acid contents of wild fish / M. I. Gladyshev [et al.] // Rev. Fish. Biol. Fish. - 2018. - Vol. 28, Is. 2. - P277-299, DOI 10.1007/s11160-017-9511-0. - Cited References:138. - The work was supported by a Russian Science Foundation Grant (No. 16-14-10001). . - ISSN 0960-3166. - ISSN 1573-5184

РУБ Fisheries + Marine & Freshwater Biology
Рубрики:
FATTY-ACID-COMPOSITION
DIETARY DOCOSAHEXAENOIC ACID
LONG-CHAIN
Кл.слова (ненормированные):
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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Russian Acad Sci, Fed Res Ctr, Krasnoyarsk Sci Ctr, Inst Biophys,Siberian Branch, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Svobodny Av 79, Krasnoyarsk 660041, Russia.
Russian Acad Sci, AN Severtsov Inst Ecol & Evolut, Leninsky Prospect 33, Moscow 119071, Russia.
Lomonosov Moscow State Univ, Moscow 119899, Russia.

Доп.точки доступа:
Gladyshev, Michail I.; Sushchik, Nadezhda N.; Tolomeev, Alexander P.; Dgebuadze, Yury Yu; Russian Science Foundation [16-14-10001]

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17.

Polyhydroxyalkanoates (PHA) for therapeutic applications / J. Y. Zhang [et al.] // Mater. Sci. Eng. C-Mater. Biol. Appl. - 2018. - Vol. 86. - P144-150, DOI 10.1016/j.msec.2017.12.035. - Cited References:105. - This research was financially supported by a grant from Ministry of Sciences and Technology (Grant No. 2016YFB0302504); grants from National Natural Science Foundation of China (Grant No. 31430003, 31600072 and 81503079); a grant from Natural Science Foundation of Jiangxi Province (Grant No. 20161BAB215204); and a grant from Russian Science Foundation (Grant No. 17-15-01352). Tsinghua President Fund also supported this project (Grant No. 2015THZ10). . - ISSN 0928-4931. - ISSN 1873-0191

РУБ Materials Science, Biomaterials
Рубрики:
TISSUE ENGINEERING APPLICATIONS
3-HYDROXYBUTYRATE METHYL-ESTER
Кл.слова (ненормированные):
PHA -- Therapeutics -- Tissue engineering -- Implants -- Drug delivery -- Biomedicine
Аннотация: As intracellular carbon and energy storage materials, polyhydroxyalkanoates (PHA) are a diverse biopolyesters synthesized by many bacteria. PHA have been produced in large quantity for various application research including medical implants for approximately 30 years. Many studies demonstrated that PHA are promising implant materials due to their diverse and ascendant mechanical, biodegradable and tissue compatible properties. Importantly, common PHA biodegradation products including oligomers and monomers are also not toxic to the cells and tissues. Pharmaceutical applications of some PHA degradation products also have been reported. So far, no study has been reported to have any carcinogenesis result induced by any PHA or their biodegradation products. All results suggest that PHA could be developed into various bio-implant products.

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Nanchang Univ, Inst Life Sci, Lab Fear & Anxiety Disorders, Nanchang 330031, Jiangxi, Peoples R China.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Tsinghua Univ, Sch Life Sci, MOE Key Lab Bioinformat, Beijing 100084, Peoples R China.
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia.
Univ Sao Paulo, Inst Ciencias Biomed, Dept Microbiol, BR-05509900 Sao Paulo, Brazil.

Доп.точки доступа:
Zhang, Junyu; Shishatskaya, Ekaterina I.; Volova, Tatiana G.; da Silva, Luiziana Ferreira; Chen, Guo-Qiang; Ministry of Sciences and Technology [2016YFB0302504]; National Natural Science Foundation of China [31430003, 31600072, 81503079]; Natural Science Foundation of Jiangxi Province [20161BAB215204]; Russian Science Foundation [17-15-01352]; Tsinghua President Fund [2015THZ10]

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18.

Content of highly unsaturated fatty acids in fish from rivers of contrasting temperature / N. N. Sushchik [et al.] // River Res. Appl. - 2018. - Vol. 34, Is. 6. - P565-574, DOI 10.1002/rra.3286. - 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 . - ISSN 1535-1459. - ISSN 1535-1467

РУБ Environmental Sciences + Water Resources
Рубрики:
TROUT ONCORHYNCHUS-MYKISS
   SALMON SALMO-SALAR
   FRESH-WATER
   LONG-CHAIN
Кл.слова (ненормированные):
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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Russian Acad Sci, Krasnoyarsk Sci Ctr, Fed Res Ctr, Siberian Branch,Inst Biophys, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.

Доп.точки доступа:
Sushchik, N. N.; Zuev, I. V.; Kalachova, G. S.; Ageev, A. V.; Gladyshev, M. I.; 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]

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19.

Comparative Analysis of Content of Omega-3 Polyunsaturated Fatty Acids in Food and Muscle Tissue of Fish from Aquaculture and Natural Habitats / M. I. Gladyshev [et al.] // Contemp. Probl. Ecol. - 2018. - Vol. 11, Is. 3. - P297-308, DOI 10.1134/S199542551803006X. - Cited References:86. - This study was supported by the Russian Foundation for Basic Research, project no. 16-14-10001. We are grateful to A.A. Makhrov and E.A. Borovikova for assisting in material collection and for useful comments to the initial text of the article. . - ISSN 1995-4255. - ISSN 1995-4263

РУБ Ecology
Рубрики:
LONG-CHAIN OMEGA-3-FATTY-ACIDS
TROUT ONCORHYNCHUS-MYKISS
BREAM
Кл.слова (ненормированные):
fatty acids -- aquaculture -- food chain -- bioaccumulation
Аннотация: Two fish species reared in aquaculture (pink salmon Oncorhynchus gorbuscha and whitefish Coregonus lavaretus) and ten fish species from natural habitats (whitefish C. lavaretus, tugun Coregonus tugun, broad whitefish Coregonus nasus, least cisco Coregonus sardinella, vendace Coregonus albula, boganid charr Salvelinus boganidae, charr Salvelinus alpinus complex, northern pike Esox lucius, sharp-snouted lenok Brachymystax lenok, and taimen Hucho taimen) have been studied. The content of two long-chain polyunsaturated omega-3 fatty acids (PUFAs), eicosapentaenoic acid (20:5n-3, EPA) and docosahexaenoic acid (22:6n-3, DHA), in the muscle tissue of the fish and in their food (intestine contents) are compared. In the aquacultures of whitefish and pink salmon, the total content of EPA and DHA is significantly higher in feed than in the muscle tissue of the fish, which indicates losses of PUFA in the two-link food chain of the aquaculture during their transfer to the upper trophic level. EPA and DHA losses in aquaculture, which are confirmed by numerous literature data, mean an inefficient usage of the available sources of PUFAs and the aggravation of the global deficit of these biochemicals in the human diet. A study of natural fish populations reveals the accumulation of EPA and DHA in their biomass compared to food in many cases, although opposite phenomena are also observed. An assumption on the presence of an optimal, physiologically adequate species-specific level of PUFA in the fish muscle tissue has been made based on our data and literature data. If the level of PUFAs in the muscles is lower than optimal, their accumulation (bioaccumulation) from food and/or de novo synthesis are observed. When the optimal level is exceeded, the content of EPA and DHA in biomass approaches maximum species-specific values; however, part of these PUFAs entering from food is not digested or is catabolized. According to the obtained data, the species of the order Salmoniformes have an optimal level of 2 to 6 mg/g of wet weight. It has been found that in aquaculture approaching to maximum values of EPA + DHA content was accompanied by their losses (scattering) in the food chains, while in natural ecosystems the maximum values of PUFA content in the fish biomass are achieved by their accumulation from the lower trophic level. Boganid charr S. boganidae had the highest content of EPA + DHA in the muscle tissue among all known fish species (32.78 mg/g of wet weight).

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Держатели документа:
Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Inst Biophys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Gladyshev, M. I.; Glushchenko, L. A.; Makhutova, O. N.; Rudchenko, A. E.; Shulepina, S. P.; Dubovskaya, O. P.; Zuev, I. V.; Kolmakov, V. I.; Sushchik, N. N.; Russian Foundation for Basic Research [16-14-10001]

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20.

Triploidy does not decrease contents of eicosapentaenoic and docosahexaenoic acids in filets of pink salmon Oncorhynchus gorbuscha / M. I. Gladyshev [et al.] // Food Chem. - 2017. - Vol. 216. - P66-69, DOI 10.1016/j.foodchem.2016.08.021 . - ISSN 0308-8146
Кл.слова (ненормированные):
Essential fatty acids -- Filets -- Triploid fish -- Aquaculture -- Fish -- Polyunsaturated fatty acids -- Unsaturated fatty acids -- Docosahexaenoic acid -- Eicosapentaenoic acid -- Essential fatty acids -- Fa compositions -- Filets -- Muscle tissues -- Pink salmon -- White sea -- Fatty acids
Аннотация: 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. © 2016 Elsevier Ltd

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Держатели документа:
Institute of Biophysics of Siberian Branch of Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, Russian Federation
Siberian Federal University, Svobodny av. 79, Krasnoyarsk, Russian Federation
A. N. Severtsov Institute of Ecology and Evolution of Russian Academy of Sciences, Leninsky Prospect, 33, Moscow, Russian Federation

Доп.точки доступа:
Gladyshev, M. I.; Artamonova, V. S.; Makhrov, A. A.; Sushchik, N. N.; Kalachova, G. S.; Dgebuadze, Y. Y.

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