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Experimental effects of large-bodied Daphnia, fish and zebra mussels on cladoceran community and size structure [Text] / I. Feniova [et al.] // J. Plankton Res. - 2015. - Vol. 37, Is. 3. - P611-625, DOI 10.1093/plankt/fbv022. - Cited References:66. - This research was supported by the Polish National Science Centre (2012/05/B/N28/02684). The work also was supported by grants of Belorussian Foundation for Basic Research ((sic)12P-98), Russian Foundation for Basic Research (14-04-00087), Siberian Federal University project, carried out according to Federal Tasks of Ministry of Education and Science of Russian Federation (6.1089.214/K) and by Russian Federal Tasks of Fundamental Research (51.1.1). . - ISSN 0142-7873. - ISSN 1464-3774

РУБ Marine & Freshwater Biology + Oceanography
Рубрики:
FRESH-WATER ZOOPLANKTON
POLYUNSATURATED FATTY-ACIDS
LAKE-ERIE
Кл.слова (ненормированные):
alien species -- large- and small-bodied cladocerans -- invasion mechanisms -- PUFA -- C:N:P ratios
Аннотация: Understanding the factors that regulate the abundance, size structure and community structure of cladocerans is an important goal of aquatic ecologists. While both top-down and bottom-up factors help to structure cladoceran communities, there may be interactions between these factors. We conducted a mesocosm study to determine how alien large-bodied Daphnia, zebra mussels and fish affected cladoceran community and size structure. We found that large-bodied Daphnia reduced algal resources and the fecundity of smaller bodied cladocerans. Fish removed the large-bodied Daphnia magna from the mesocosms and shifted the cladoceran community to a smaller body size. Fish also appeared to promote increases in cladoceran diversity through the coexistence of several smaller bodied taxa. In contrast, zebra mussels increased cyanobacteria and helped to promote the success of the alien Daphnia, but reduced the biomass of small-bodied cladocerans. Zebra mussels reduced the carbon (C):phosphorus (P) ratio of the phytoplankton in the mesocosms which may have favored the relatively P-limited Daphnia. Combined, our results highlight the complex interactions of multiple factors that help to regulate cladoceran community and size structure.

WOS,
Scopus
Держатели документа:
Russian Acad Sci, AN Severtsov Inst Ecol & Evolut, Moscow 119071, Russia.
Univ Warsaw, Biol & Chem Res Ctr, Inst Zool, Dept Hydrobiol, PL-02089 Warsaw, Poland.
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Polish Acad Sci, M Nencki Inst Expt Biol, PL-02093 Warsaw, Poland.
Natl Acad Sci Belarus, Sci & Pract Ctr Bioresources, Minsk 220072, Byelarus.
Oklahoma State Univ, Dept Integrat Biol, Stillwater, OK 74078 USA.

Доп.точки доступа:
Feniova, Irina; Dawidowicz, Piotr; Gladyshev, Michail I.; Kostrzewska-Szlakowska, Iwona; Rzepecki, Marek; Razlutskij, Vladimir; Sushchik, Nadezda N.; Majsak, Natalia; Dzialowski, Andrew R.; Polish National Science Centre [2012/05/B/N28/02684]; Belorussian Foundation for Basic Research [(sic)12P-98]; Russian Foundation for Basic Research [14-04-00087]; Siberian Federal University project; Russian Federal Tasks of Fundamental Research [51.1.1]

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Field emission luminescence of nanodiamonds deposited on the aligned carbon nanotube array [Text] / Y. V. Fedoseeva [et al.] // Sci Rep. - 2015. - Vol. 5. - Ст. 9379, DOI 10.1038/srep09379. - Cited References:49. - The work was supported by RFBR grant 13-03-12118 in the part of electroluminescence measurements and the bilateral Program "Russian-German Laboratory at BESSY''. We are grateful to Mr. A.V. Ischenko for the TEM measurements, Mr. S.I. Kozhemyachenko for the Raman spectra, Mrs. N.I. Alferova for the IR spectra, and Mr. D.V. Gulyaev for the photoluminescence spectra. . - ISSN 2045-2322

РУБ Multidisciplinary Sciences
Рубрики:
DETONATION NANODIAMOND
ULTRANANOCRYSTALLINE DIAMOND
Аннотация: Detonation nanodiamonds (NDs) were deposited on the surface of aligned carbon nanotubes (CNTs) by immersing a CNT array in an aqueous suspension of NDs in dimethylsulfoxide (DMSO). The structure and electronic state of the obtained CNT-ND hybrid material were studied using optical and electron microscopy and Infrared, Raman, X-ray photoelectron and near-edge X-ray absorption fine structure spectroscopy. A non-covalent interaction between NDs and CNT and preservation of vertical orientation of CNTs in the hybrid were revealed. We showed that current-voltage characteristics of the CNT-ND cathode are changed depending on the applied field; below similar to 3 V/mu m they are similar to those of the initial CNT array and at the higher field they are close to the ND behavior. Involvement of the NDs in field emission process resulted in blue luminescence of the hybrid surface at an electric field higher than 3.5 V/mu m. Photoluminescence measurements showed that the NDs emit blue-green light, while blue luminescence prevails in the CNT-ND hybrid. The quenching of green luminescence was attributed to a partial removal of oxygen-containing groups from the ND surface as the result of the hybrid synthesis.

WOS,
Scopus
Держатели документа:
Nikolaev Inst Inorgan Chem SB RAS, Novosibirsk 630090, Russia.
Novosibirsk State Univ, Novosibirsk 630090, Russia.
Tech Univ Dresden, Inst Solid State Phys, D-01062 Dresden, Germany.
Inst Biophys SB RAS, Krasnoyarsk 660036, Russia.
ИБФ СО РАН

Доп.точки доступа:
Fedoseeva, Yu. V.; Bulusheva, L.G.; Okotrub, A.V.; Kanygin, M.A.; Gorodetskiy, D.V.; Asanov, I.P.; Vyalikh, D.V.; Puzyr, A.P.; Bondar, V.S.; RFBR grant [13-03-12118]; bilateral Program "Russian-German Laboratory at BESSY''

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Fatty acid composition and polyhydroxyalkanoates production by Cupriavidus eutrophus B-10646 cells grown on different carbon sources [Text] / N. Zhila, G. Kalacheva, T. Volova // Process Biochem. - 2015. - Vol. 50, Is. 1. - P69-78, DOI 10.1016/j.procbio.2014.10.018. - Cited References:66. - This study was supported by the Russian Science Foundation (Grant No.14-26-00039). . - ISSN 1359-5113. - ISSN 1873-3298

РУБ Biochemistry & Molecular Biology + Biotechnology & Applied Microbiology
Рубрики:
HYDROGEN-OXIDIZING BACTERIA
CHAIN TRANSFER AGENTS
RALSTONIA-EUTROPHA
Кл.слова (ненормированные):
Cupriavidus eutrophus -- Fatty acid -- Polyhydroxyalkanoates -- Molecular -- weight -- Different substrates
Аннотация: Growth of Cupriavidus eutrophus B-10646, fatty acid (FA) composition of the lipids in the cytoplasmic membrane and cell wall, and polyhydroxyalkanoate (PHA) accumulation by the cells of this new promising producer of PHAs were studied in batch culture, using various carbon sources (fructose, glucose, oleic acid, sunflower seed oil, glycerol, CO2:O-2:H-2). In cells grown on sugars and in autotrophic culture, during the phase of active cell growth, the major FAs of the lipids of cytoplasmic membrane (CMLs) were palmitic, palmitoleic, and cis-vaccenic acids. In the stationary phase of cultivation, cyclopropane FAs were also detected. When carbohydrate substrate was replaced by oleic acid or sunflower seed oil, the proportion of oleic acid in the total FAs of the cytoplasmic membrane increased considerably. In addition to that, the lipid FAs of bacterial cells grown on sunflower seed oil also contained linoleic acid, which is the major acid of sunflower seed oil. The major acids of strongly bound lipids of cell wall (SBLs) were myristic acid and long-chain-length beta-hydroxy acids. Molecular weight of the polymer was measured during its accumulation in cells; for the first time, the presence of 2 polymer fractions (high-molecular weight and low-molecular-weight ones) was recorded in cells with a low polymer content. (C) 2014 Elsevier Ltd. All rights reserved.

WOS
Держатели документа:
SB RAS, Inst Biophys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
ИБФ СО РАН

Доп.точки доступа:
Zhila, Natalia; Kalacheva, Galina; Volova, Tatiana; Russian Science Foundation [14-26-00039]

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Estimating In Situ Zooplankton Non-Predation Mortality in an Oligo-Mesotrophic Lake from Sediment Trap Data: Caveats and Reality Check [Text] / O. P. Dubovskaya [et al.] // PLoS One. - 2015. - Vol. 10, Is. 7. - Ст. e0131431, DOI 10.1371/journal.pone.0131431. - Cited References:60. - This work was supported by joint projects of Russian Foundation for Basic Research and Belarusian Republican Foundation for Fundamental Research (No 14-05-90005-Bel-a to O.P.D and A.P.T., and No B14R-066 to Zh.B.). K.W.T. was supported by a Humboldt Fellowship for Experienced Researchers (Germany), M.I.G. was supported by Russian Federal Tasks of Fundamental Research (project No. 51.1.1), H.P.G. and G.K. were supported by grants from the German Science Foundation (GR 1540/20-1 and KI-853/8-1). . - ISSN 1932-6203

РУБ Multidisciplinary Sciences
Рубрики:
FRESH-WATER
NONCONSUMPTIVE MORTALITY
NONPREDATORY MORTALITY
Аннотация: Background Mortality is a main driver in zooplankton population biology but it is poorly constrained in models that describe zooplankton population dynamics, food web interactions and nutrient dynamics. Mortality due to non-predation factors is often ignored even though anecdotal evidence of non-predation mass mortality of zooplankton has been reported repeatedly. One way to estimate non-predation mortality rate is to measure the removal rate of carcasses, for which sinking is the primary removal mechanism especially in quiescent shallow water bodies. Objectives and Results We used sediment traps to quantify in situ carcass sinking velocity and non-predation mortality rate on eight consecutive days in 2013 for the cladoceran Bosmina longirostris in the oligo-mesotrophic Lake Stechlin; the outcomes were compared against estimates derived from in vitro carcass sinking velocity measurements and an empirical model correcting in vitro sinking velocity for turbulence resuspension and microbial decomposition of carcasses. Our results show that the latter two approaches produced unrealistically high mortality rates of 0.58-1.04 d(-1), whereas the sediment trap approach, when used properly, yielded a mortality rate estimate of 0.015 d(-1), which is more consistent with concurrent population abundance data and comparable to physiological death rate from the literature. Ecological implications Zooplankton carcasses may be exposed to water column microbes for days before entering the benthos; therefore, non-predation mortality affects not only zooplankton population dynamics but also microbial and benthic food webs. This would be particularly important for carbon and nitrogen cycles in systems where recurring mid-summer decline of zooplankton population due to non-predation mortality is observed.

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Scopus
Держатели документа:
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Swansea Univ, Dept Biosci, Swansea SA2 8PP, W Glam, Wales.
Swansea Univ, Ctr Sustainable Aquat Res, Swansea SA2 8PP, W Glam, Wales.
MU, Leibniz Inst Freshwater Ecol & Inland Fisheries, Dept Ecohydrol, D-12587 Berlin, Germany.
Natl Acad Sci Belarus Bioresources, Sci & Pract Ctr, Minsk 220072, Byelarus.
Leibniz Inst Freshwater Ecol & Inland Fisheries, Dept Expt Limnol, D-16775 Neuglobsow, Germany.
Univ Potsdam, Inst Biochem & Biol, D-14469 Potsdam, Germany.

Доп.точки доступа:
Dubovskaya, Olga P.; Tang, Kam W.; Gladyshev, Michail I.; Kirillin, Georgiy; Buseva, Zhanna; Kasprzak, Peter; Tolomeev, Aleksandr P.; Grossart, Hans-Peter; Russian Foundation for Basic Research; Belarusian Republican Foundation for Fundamental Research [14-05-90005-Bel-a, B14R-066]; Humboldt Fellowship for Experienced Researchers (Germany); Russian Federal Tasks of Fundamental Research [51.1.1]; German Science Foundation [GR 1540/20-1, KI-853/8-1]

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Differences in organic matter and bacterioplankton between sections of the largest Arctic river: Mosaic or continuum? [Text] / M. I. Gladyshev [et al.] // Limnol. Oceanogr. - 2015. - Vol. 60, Is. 4. - P1314-1331, DOI 10.1002/lno.10097. - Cited References:75. - At the stage of laboratory analyses, calculations, and generalizations, 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). The research cruise was supported by the Attracting Leading Scientists to Russian Educational Institutions Program of the Russian Federation, agreement 11.G34.31.0014. . - ISSN 0024-3590. - ISSN 1939-5590

РУБ Limnology + Oceanography
Рубрики:
FATTY-ACID-COMPOSITION
   KARA SEA
   YENISEI RIVER
   CARBON-CYCLE
Аннотация: We studied biogeochemical characteristics, including organic carbon and nitrogen contents, fatty acid (FA) composition, stable isotope ratios, and primary production in conjunction with species composition of bacterioplankton, using next generation sequencing, in the Yenisei River along a distance similar to 1800km. Basing on FA composition of particulate organic matter (POM) and on other indicators of sources of POM, the river was subdivided into four sections. The upper section 1, situated in mountain region, was the net source of high-quality autochthonous organic matter, produced primarily by diatoms and partly consumed by specialized bacteria species. Section 2 in plain taiga was net sink of high quality allochthonous and autochthonous organic matter, produced by cyanobacteria and green algae. Section 3 was net sink of organic matter, primarily allochthonous, consumed by the specialized species of bacteria. The lowest section 4, situated in tundra, was primarily the conduit of recalcitrant terrestrial organic matter, but also the net source of autochthonous organic matter, produced by diatoms. Biogeochemical traits of sections of the Yenisei River evidently shaped dominant species composition of bacterioplankton of these sections. Regarding the biogeochemical and microbiological data, we concluded that the Yenisei River ecosystem complexly combines features of river mosaic, river continuum, and "neutral pipe."

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

Доп.точки доступа:
Gladyshev, Michail I.; Kolmakova, Olesia V.; Tolomeev, Alexander P.; Anishchenko, Olesia V.; Makhutova, Olesia N.; Kolmakova, Anzhelika A.; Kravchuk, Elena S.; Glushchenko, Larisa A.; Kolmakov, Vladimir I.; Sushchik, Nadezhda N.; Siberian Federal University [6.1089.214/K]; Russian Federal Tasks of Fundamental Research [51.1.1]; Attracting Leading Scientists to Russian Educational Institutions Program of the Russian Federation [11.G34.31.0014]

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A continual model of soil organic matter transformations based on a scale of transformation rate [Text] / S. I. Bartsev, A. A. Pochekutov // Ecol. Model. - 2015. - Vol. 302. - P25-28, DOI 10.1016/j.ecolmodel.2015.01.030. - Cited References:18. - This work is supported by Basic Research Program of the Presidium of RAS Project No. 12 and Integration Project of SB RAS No. 21. . - ISSN 0304-3800. - ISSN 1872-7026

РУБ Ecology
Рубрики:
CARBON
   DECOMPOSITION
   DYNAMICS
   NITROGEN
   DECAY
Кл.слова (ненормированные):
Soil organic matter -- Continual model of soil -- Soil formation
Аннотация: The study proposes a model of transformation and decomposition of soil organic matter, based on using the rate of matter transformation as a continual scale of its transformation degree. The model is represented by one partial derivative differential equation that has an analytical solution. This model has only two adjustable parameters, while the number of experimentally determined parameters depends on how detailed the description of the plant litter is supposed to be. The model has been tested, and model parameters have been evaluated by comparing model predictions with the literature data on the stock of soil organic matter in different types of ecosystems. (C) 2015 Elsevier B.V. All rights reserved.

WOS,
Scopus
Держатели документа:
Inst Biophys SB RAS, Krasnoyarsk, Russia
Siberian Fed Univ, Inst Fundamental Biol & Biotechnol, Krasnoyarsk, Russia

Доп.точки доступа:
Bartsev, Sergey I.; Pochekutov, Aleksei A.; Basic Research Program of the Presidium of RAS Project [12]; Integration Project of SB RAS [21]

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Differences in Carbon Isotope Signatures of Polyunsaturated Fatty Acids of Two Microalgal Species [Text] / E. S. Kravchuk [et al.] // Dokl. Biochem. Biophys. - 2014. - Vol. 459, Is. 1. - P183-185, DOI 10.1134/S1607672914060015. - Cited References:9. - This study was supported by the Russian Foundation for Basic Research(project no. 14-04-00053). . - ISSN 1607-6729. - ISSN 1608-3091

РУБ Biochemistry & Molecular Biology + Biophysics

WOS
Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
ИБФ СО РАН
Доп.точки доступа:
Kravchuk, E.S.; Sushchik, N.N.; Makhutova, O.N.; Trusova, M. Yu.; Kalacheva, G.S.; Gladyshev, M.I.; Russian Foundation for Basic Research [14-04-00053]

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Study of a Ralstonia eutropha culture producing polyhydroxyalkanoates on products of coal processing [Text] / T. G. Volova, N. A. Voinov // Appl. Biochem. Microbiol. - 2004. - Vol. 40, Is. 3. - P. 249-252, DOI 10.1023/B:ABIM.0000025946.47013.03. - Cited References: 18 . - ISSN 0003-6838

РУБ Biotechnology & Applied Microbiology + Microbiology

Аннотация: Kinetic indices of growth, polyhydroxyalkanoate (PHA) accumulation, and gas exchange were studied in a culture of the carbon monoxide-resistant hydrogen strain Ralstonia eutropha B-5786 grown on a gaseous substrate (GS) obtained by lignite gasification. The GS was shown to be suitable for PHA production. To increase the degree of GS consumption, various modes of gas supply to the culture were tested. Based on the results, an algorithm was developed for calculating and controlling gas-exchange parameters in the PHA-accumulating culture of Ralstonia eutropha, grown on a new GS allowing high polymer yields (up to 75%) and degrees of substrate utilization (up to 90%).

WOS
Держатели документа:
Russian Acad Sci, Siberian Div, Inst Biophys, Krasnoyarsk 660036, Russia
Siberian State Technol Univ, Minist Educ Russian Federat, Krasnoyarsk 660049, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Volova, T.G.; Voinov, N.A.

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Mass exchange in an experimental new-generation life support system model based on biological regeneration of environment [Text] / A. A. Tikhomirov [et al.] ; ed. M Nelson [et al.] // SPACE LIFE SCIENCES: CLOSED ARTIFICIAL ECOSYSTEMS AND LIFE SUPPORT SYSTEMS. Ser. ADVANCES IN SPACE RESEARCH : PERGAMON-ELSEVIER SCIENCE LTD, 2003. - Vol. 31: Meeting of F4 1 Session of the 34th Scientific Assembly of COSPAR (OCT, 2002, HOUSTON, TEXAS), Is. 7. - P. 1711-1720, DOI 10.1016/S0273-1177(03)00108-X. - Cited References: 13 . - ISBN 0273-1177

РУБ Engineering, Aerospace + Astronomy & Astrophysics + Ecology + Geosciences, Multidisciplinary + Meteorology & Atmospheric Sciences

Аннотация: An experimental model of a biological life support system was used to evaluate qualitative and quantitative parameters of the internal mass exchange. The photosynthesizing unit included the higher plant component (wheat and radish), and the heterotrophic unit consisted of a soil-like substrate, California worms, mushrooms and microbial microflora. The gas mass exchange involved evolution of oxygen by the photosynthesizing component and its uptake by the heterotroph component along with the formation and maintaining of the SLS structure, growth of mushrooms and California worms, human respiration, and some other processes. Human presence in the system in the form of "virtual human" that at regular intervals took part in the respirative gas exchange during the experiment. Experimental data demonstrated good oxygen/carbon dioxide balance, and the closure of the cycles of these gases was almost complete. The water cycle was nearly 100% closed. The main components in the water mass exchange were transpiration water and the watering solution with mineral elements. Human consumption of the edible plant biomass (grains and roots) was simulated by processing these products by a unique physicochemical method of oxidizing them to inorganic mineral compounds, which were then returned into the system and fully assimilated by the plants. The oxidation was achieved by "wet combustion" of organic biomass, using hydrogen peroxide following a special procedure, which does not require high temperature and pressure. Hydrogen peroxide is produced from the water inside the system. The closure of the cycle was estimated for individual elements and compounds. Stoichiometric proportions are given for the main components included in the experimental model of the system. Approaches to the mathematical modeling of the cycling processes are discussed, using the data of the experimental model. Nitrogen, as a representative of biogenic elements, shows an almost 100% closure of the cycle inside the system, The proposed experimental model of a biological system is discussed as a candidate for potential application in the investigations aimed at creating ecosystems with largely closed cycles of the internal mass exchange. The formation and maintenance of sustainable cycling of vitally important chemical elements and compounds in biological life support systems (BLSS) is an extremely pressing problem. To attain the stable functioning of biological life support systems (BLSS) and to maintain a high degree of closure of material cycles in them, it is essential to understand the character of mass exchange processes and stoichiometric proportions of the initial and synthesized components of the system. (C) 2003 COSPAR. Published by Elsevier Science Ltd. All rights reserved.

WOS
Держатели документа:
Russian Acad Sci, Inst Biophys, Krasnoyarsk, Russia
Univ Strasbourg 1, Clermont Ferrand, France
ESA, Estec, Environm Control & Life Support Sect, Noordwijk, Netherlands
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Tikhomirov, A.A.; Ushakova, S.A.; Manukovsky, N.S.; Lisovsky, G.M.; Kudenko, Y.A.; Kovalev, V.S.; Gubanov, V.G.; Barkhatov, Y.V.; Gribovskaya, I.V.; Zolotukhin, I.G.; Gros, J.B.; Lasseur, C...; Nelson, M \ed.\; Pechurkin, NS \ed.\; Dempster, WF \ed.\; Somova, LA \ed.\; Somo, , LA \ed.\

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10.

The influence of Ir and Pt addition on the synthesis of fullerenes at atmospheric pressure [Text] / G. N. Churilov [et al.] // Fuller. Nanotub. Carbon Nanostruct. - 2003. - Vol. 11, Is. 4. - P. 371-382, DOI 10.1081/FST-120025856. - Cited References: 17 . - ISSN 1536-383X

РУБ Chemistry, Physical + Nanoscience & Nanotechnology + Materials Science, Multidisciplinary + Physics, Atomic, Molecular & Chemical
Рубрики:
CARBON PLASMA
   STRIATIONS
   DISCHARGE
   FLOW
Кл.слова (ненормированные):
fullerene synthesis -- plasma -- atmospheric pressure -- fullerene derivatives -- iridium -- platinum
Аннотация: The addition of metallic Ir and Pt to a fullerene-forming, atmospheric-pressure plasma reactor was found to influence the generation of carbonaceous products. It was observed that the added metals were efficiently dispersed into the plasma and that their presence increased the yield of fullerenes. The addition of Ir led to a noticeable shift in the fullerene distribution towards C-60, whereas the addition of Pt increased the proportion Of C-60 oxides and decreased the proportion of higher fullerenes. Addition of Ir also caused a reduction of the soot particle size and the formation of a considerable quantity of carbon nanotubes.

WOS
Держатели документа:
Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Krasnoyarsk State Tech Univ, Krasnoyarsk, Russia
Rice Univ, Dept Chem, Houston, TX 77251 USA
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk 660036, Russia
Russian Acad Sci, Siberian Branch, Inst Chem & Chem Technol, Krasnoyarsk 660036, Russia
ИФ СО РАН
ИБФ СО РАН
ИХХТ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Churilov, G.N.; Weisman, R.B.; Bulina, N.V.; Vnukova, N.G.; Puzir, A.P.; Solovyov, L.A.; Bachilo, S.M.; Tsyboulski, D.A.; Glushenko, G.A.

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11.

Fatty acid composition of Cladocera and Copepoda from lakes of contrasting temperature [Text] / M. I. Gladyshev [et al.] // Freshw. Biol. - 2015. - Vol. 60, Is. 2. - P373-386, DOI 10.1111/fwb.12499. - Cited References:88. - The work was supported by the project No. 6.1089.214/K of SiberianFederal University, carried out according to Federal Tasks of Ministryof Education and Science of Russian Federation, and partly supported bygrant of Russian Foundation for Basic Research (RFBR) No. 14-04-00087.We are grateful to Dr. G. Kirillin, Dr. H.-P. Grossart and Dr. P.Kasprzak for their kind help during sampling at Lake Stechlin and to Dr.M.A. Baturina for valuable assistance at Bolshezemelskaya tundra lakes. . - ISSN 0046-5070. - ISSN 1365-2427

РУБ Marine & Freshwater Biology
Рубрики:
FRESH-WATER ZOOPLANKTON
   SEASONAL DYNAMICS
   DAPHNIA-GALEATA
   TROPHIC
Кл.слова (ненормированные):
climate warming -- essential polyunsaturated fatty acids -- temperature -- adaptation -- zooplankton
Аннотация: We studied the fatty acid (FA) composition of six species of Cladocera and six species of Copepoda from five cold-water lakes, situated in the tundra and/or in the mountains, and eight species of Cladocera and four species of Copepoda from eight warm-water lakes (including one reservoir) in temperate regions. We asked whether the contrasting temperature would result primarily simply in changes in the percentages (i.e. percentage of total FAs) and absolute contents (quantities) of the long-chain polyunsaturated fatty acids (PUFAs), eicosapentaenoic acid (20:5n-3, EPA) and docosahexaenoic acid (22:6n-3, DHA), or whether there are other FAs with various number of double bonds and/or chain lengths which could be responsible for a putative homeoviscous adaptation. We also aimed to reveal any consistent phylogenetic differences in FA percentages and contents between Cladocera and Copepoda, separable from any temperature effects. Both taxa in warm waters had greater percentages of 18:0, and lower percentages of 14:0 and 18:4n-3, than in cold waters, but there were no differences in percentages of DHA. In addition, Cladocera, besides the lower percentage of EPA, had higher percentages of 20:0 and 22:0 in warm waters. These patterns in the percentages of 14:0, 18:0, 18:4n-3, 20:0 and 22:0 are in a good agreement with the hypothesis of homeoviscous adaptation. Thus, the role of EPA, and particularly DHA, as unique regulators of the homeoviscous adaptation of the zooplankton may have been overestimated. Overall, we confirmed the known differences between Cladocera and Copepoda, namely higher percentages of EPA in Cladocera and higher percentages of DHA in Copepoda. However, there was c.50% overlap in the ranges of the percentage of EPA in Cladocera and Copepoda, while the ranges in the content of EPA per unit organic carbon in Cladocera and Copepoda overlapped completely. Differences in the percentages and content of DHA between Cladocera and Copepoda were statistically significant and invariant with temperature, and therefore are probably due to phylogenetic factors, rather than any temperature adaptation. Contrasting temperature was not associated with significant differences in the contents of EPA and DHA per unit of organic carbon within the taxa studied. If this remained the case in a warming climate, such warming would be unlikely to reduce the accumulation of these important PUFAs in the zooplankton, at least if species composition was unchanged. However, if there were shifts in the proportions of Cladocera and Copepoda in the zooplankton, for example fewer copepods as temperature rises, a decrease of the flux of PUFA in the ecosystem is plausible, taking into account the phylogenetic (and temperature invariant) differences in DHA between the two groups.

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Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.
Natl Acad Sci Belarus Bioresources, Sci & Pract Ctr, Minsk, Byelarus.
Russian Acad Sci, Inst Biol, Komi Sci Ctr, Ural Div, Syktyvkar, Russia.
Russian Acad Sci, AN Severtsov Inst Ecol & Evolut, Moscow, Russia.
ИБФ СО РАН

Доп.точки доступа:
Gladyshev, Michail I.; Sushchik, Nadezhda N.; Dubovskaya, Olga P.; Buseva, Zhanna F.; Makhutova, Olesia N.; Fefilova, Elena B.; Feniova, Irina Y.; Semenchenko, Vitaliy P.; Kolmakova, Anzhelika A.; Kalachova, Galina S.; Siberian Federal University [6.1089.214/K]; Russian Foundation for BasicResearch (RFBR) [14-04-00087]

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12.

The effect of biota on global climate [Текст] / D. A. Semenov, R. G. Khlebopros // Biofizika. - 2005. - Vol. 50, Is. 4. - P. 748-751. - Cited References: 6 . - ISSN 0006-3029

РУБ Biophysics

Кл.слова (ненормированные):
biosphere -- climate -- modeling -- CO2 balance -- energy balance
Аннотация: A model consisting of two blocks (equations) was proposed for the analytical, study of the biosphere-climate system over great periods of time. The first equation describes the balance of carbon dioxide in the Atmosphere and re presents the biological block of the model. The second equation is the equation of the energy balance or the physical block of the system. The model is based on the most general conceptions of living matter and the evolution process. A possible interpretation of some events and phenomena in the earth history in terms of the model is given.

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Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Div, Krasnoyarsk 660036, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Semenov, D.A.; Khlebopros, R.G.

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13.

Dynamics of activity of the key enzymes of polyhydroxyalkanoate metabolism in Ralstonia eutropha B5786 [Text] / T. G. Volova [et al.] // Appl. Biochem. Microbiol. - 2004. - Vol. 40, Is. 2. - P. 170-177, DOI 10.1023/B:ABIM.0000018921.04863.d5. - Cited References: 27 . - ISSN 0003-6838

РУБ Biotechnology & Applied Microbiology + Microbiology
Рубрики:
POLY-BETA-HYDROXYBUTYRATE
   ORGANISM ALCALIGENES-EUTROPHUS
   ESCHERICHIA-COLI
   PHB
   POLY(3-HYDROXYBUTYRATE)
   BIOSYNTHESIS
   CLONING
   GENES
   CHAIN
   H16
Аннотация: The dynamics of accumulation of polyhydroxybutyrate (PHB) and the activities of key enzymes of PHB metabolism (beta-ketothiolase, acetoacetyl-CoA reductase, PHB synthase, D-hydroxybutyrate dehydrogenase, and PHB depolymerase) in the hydrogen bacterium Ralstonia eutropha B5786 were studied under various conditions of carbon nutrition and substrate availability. The highest activities of beta-ketothiolase, acetoacetyl-CoA reductase, and PHB synthase were recorded during acceleration of PHB synthesis. The activities of enzymes catalyzing PHB depolymerization (PHB depolymerase and D-hydroxybutyrate dehydrogenase) were low, being expressed only upon stimulated endogenous PHB degradation. The change of carbon source (CO2 or fructose) did not affect the time course of the enzyme activity significantly.

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Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Div, Krasnoyarsk 660036, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Volova, T.G.; Kalacheva, G.S.; Gorbunova, O.V.; Zhila, N.O.

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14.

Synthesis of poly(3-hydroxybutyrate) by the autotrophic CO-oxidizing bacterium Seliberia carboxydohydrogena Z-1062 [Text] / T. Volova, N. Zhila, E. Shishatskaya // J. Ind. Microbiol. Biotechnol. - 2015. - Vol. 42, Is. 10. - P1377-1387, DOI 10.1007/s10295-015-1659-9. - Cited References:36. - The research was supported by the state budget allocated to the fundamental research at the Russian Academy of Sciences (project No 01201351505). . - ISSN 1367-5435. - ISSN 1476-5535

РУБ Biotechnology & Applied Microbiology
Рубрики:
CARBON-MONOXIDE
   RALSTONIA-EUTROPHA
   POLYHYDROXYALKANOATES
   GROWTH
   H-2
Кл.слова (ненормированные):
Carboxydobacteria -- Synthesis -- Poly(3-hydroxybutyrate) -- Carbon monoxide
Аннотация: The present study addresses growth parameters and physiological and biochemical characteristics of the aerobic CO-oxidizing carboxydobacterium Seliberia carboxydohydrogena Z-1062. Poly(3-hydroxybutyrate) yields were investigated in experiments with limiting concentrations of mineral nutrients (nitrogen or sulfur or nitrogen and sulfur) in batch culture of S. carboxydohydrogena Z-1062 grown on gas mixtures consisting of CO2, O-2, H-2, and CO. CO concentrations of 10, 20, and 30 % v/v did not affect polymer synthesis, whose content after 56-h cultivation under limiting concentrations of nitrogen and sulfur was 52.6-62.8 % of biomass weight at a productivity of 0.13-0.22 g/L h. The inhibitory effect of CO on cell concentration was revealed at CO concentration of 30 % v/v. That also caused a decrease in substrate (H-2 and O-2) use efficiency. Thus, this carboxydobacterium can be regarded as a potential producer of polyhydroxyalkanoates from industrial hydrogenous sources.

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Scopus
Держатели документа:
RAS, SB, Inst Biophys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Volova, Tatiana; Zhila, Natalia; Shishatskaya, Ekaterina; Russian Academy of Sciences [01201351505]

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15.

Disturbance of meromixis in saline Lake Shira (Siberia, Russia): Possible reasons and ecosystem response / D. Y. Rogozin [et al.] // Limnologica. - 2017. - Vol. 66. - P12-23, DOI 10.1016/j.limno.2017.06.004. - Cited References:43. - We acknowledge the financial support by the Russian Foundation for Basic Research, grant No 16-05-00091. The research was partially supported by the Council on grants from the President of the Russian Federation for support of leading scientific schools (grant NSh-9249.2016.5). Many thanks to colleagues from analytical laboratory of Institute of Biophysics SB RAS for sulphide determination. We thank the employees of Middle Siberian Department of Russian Hydro Meteorological Service in Krasnoyarsk for providing the data on weather and Lake Shira level. We are grateful to Dr. Martin Schmid and two anonymous reviewers for valuable comments which helped us to improve the article considerably. . - ISSN 0075-9511. - ISSN 1873-5851

РУБ Limnology
Рубрики:
SHUNET SOUTH SIBERIA
   MEROMICTIC LAKE
   VERTICAL STRATIFICATION
   WINTER
Кл.слова (ненормированные):
Meromixis -- Mixolimnion -- Stratification -- Stability -- Mixing -- Food chain -- Purple sulfur bacteria
Аннотация: Saline Lake Shira (Southern Siberia, Russia) was meromictic through the observation period 2002-2015. During the under-ice periods of 2015 and 2016, complete mixing of the water column was recorded for the first time, and hydrogen sulphide temporarily disappeared from the water column of the lake; i.e. in those years the lake turned to holomixis. In the summer of 2015, a sharp increase in chlorophyll a, organic carbon, zooplankton, and phytoflagellates was observed in the lake, which was probably due to the release of nutrients from the monimolimnion. Purple sulfur bacteria completely disappeared from the lake after the first mixing in 2015, and did not reappear despite the restoration of meromixis in 2017. Thus, it was demonstrated that purple sulfur bacteria are sensitive to the weakening of the stratification of Lake Shira. Based on the data of the seasonal monitoring of temperature and salinity profiles over the period 2002-2017, it was presumed that the main cause of deep mixing in 2015 was the weakening of the salinity gradient due to strong wind impact and early ice retreat in the spring of 2014. In addition, it was shown that in previous years a significant contribution to the maintenance of meromixis was made by an additional influx of fresh water, which caused a rise in the lake level in the period 2002-2007. Thus, we identified a relationship between the stratification regime of the lake and the change in its level, which provides valuable information both for the forecast of Water quality and for reconstruction of the Holocene climate humidity in this region of Southern Siberia from the sediment cores of Lake Shira.

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Russian Acad Sci, Siberian Branch, Inst Biophys, Akademgorodok 50-50, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Svobodny 79, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Siberian Branch, Inst Comp Modeling, Akademgorodok 50-44, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Rogozin, D. Y.; Tarnovsky, M. O.; Belolipetskii, V. M.; Zykov, V. V.; Zadereev, E. S.; Tolomeev, A. P.; Drobotov, A. V.; Barkhatov, Y. V.; Gaevsky, N. A.; Gorbaneva, T. B.; Kolmakova, A. A.; Degermendzhi, A. G.; Russian Foundation for Basic Research [16-05-00091]; Russian Federation [NSh-9249.2016.5]

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16.

Fatty acid composition of fish species with different feeding habits from an Arctic Lake / M. I. Gladyshev [et al.] // Doklad. Biochem. Biophys. - 2017. - Vol. 474, Is. 1. - P220-223, DOI 10.1134/S1607672917030164 . - ISSN 1607-6729
Аннотация: We compared the composition and content of fatty acids (FAs) in fish with different feeding habits (sardine (least) cisco Coregonus sardinella, goggle-eyed charr (pucheglazka) form of Salvelinus alpinus complex, humpback whitefish Coregonus pidschian, broad whitefish Coregonus nasus, boganid charr Salvelinus boganidae, and northern pike Esox lucius from an Arctic Lake. Feeding habits of the studied fish (planktivore, benthivore, or piscivore) significantly affected the composition of biomarker fatty acids and the ratio of stable isotopes of carbon and nitrogen in their biomass. The hypothesis on a higher content of eicosapentaenoic and docosahexaenoic acids in the fish of higher trophic level (piscivores) when compared within the same taxonomic group (order Salmoniformes) was confirmed. © 2017, Pleiades Publishing, Ltd.

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Держатели документа:
Institute of Biophysics, Krasnoyarsk Research Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Research Institute of Ecology of Fishery Water Bodies, Krasnoyarsk, Russian Federation
Joint Management Board of Taimyr Nature Reserves, Norilsk, Russian Federation
Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, Russian Federation
Lomonosov Moscow State University, Moscow, Russian Federation

Доп.точки доступа:
Gladyshev, M. I.; Sushchik, N. N.; Glushchenko, L. A.; Zadelenov, V. A.; Rudchenko, A. E.; Dgebuadze, Y. Y.

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17.

Bioluminescent assay for toxicological assessment of nanomaterials / E. N. Esimbekova [et al.] // Dokl. Biochem. Biophys. - 2017. - Vol. 472, Is. 1. - P60-63, DOI 10.1134/S1607672917010173. - Cited References:15. - We are sincerely grateful to the staff of the Institute of Physiological Active Compounds (Kharkiv, Ukraine) for providing fullerene samples. This study was supported by the Russian Science Foundation (project no. 16-14-10115). . - ISSN 1607-6729. - ISSN 1608-3091

РУБ Biochemistry & Molecular Biology + Biophysics
Рубрики:
LUMINOUS BACTERIA
TOXICITY
Аннотация: A new method for assessing biotoxicity of nanomaterials, based on the use of soluble bioluminescent coupled enzyme system NAD(P)ai...H:FMN oxidoreductase and luciferase, is proposed. The results of this study indicate a significant adverse biological effect exerted by nanoparticles at the molecular level. It was found that the most toxic nanoparticles the nanoparticles are based on copper and copper oxide, as well as single-walled carbon nanotubes and multi-walled carbon nanofibers, which are referred to hazard class II.

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Scopus
Держатели документа:
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.
Krasnoyarsk State Agr Univ, Krasnoyarsk, Russia.

Доп.точки доступа:
Esimbekova, E. N.; Nemtseva, E. V.; Kirillova, M. A.; Asanova, A. A.; Kratasyuk, V. A.; Russian Science Foundation [16-14-10115]

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18.

Detonation Nanodiamond-Assisted Carbon Nanotube Growth by Hot Filament Chemical Vapor Deposition / I. P. Kudarenko [et al.] // Phys. Status Solidi B-Basic Solid State Phys. - 2018. - Vol. 255, Is. 1. - Ст. 1700286, DOI 10.1002/pssb.201700286. - Cited References:28. - The work was supported by RSF project 17-72-10173. . - ISSN 0370-1972. - ISSN 1521-3951

РУБ Physics, Condensed Matter
Рубрики:
DIAMOND
   FILMS
   HFCVD
   FABRICATION
   GRAPHITE
   SCIENCE
   SIZE
   CVD
Кл.слова (ненормированные):
carbon nanotubes -- catalytic growth -- diamond -- hot filament chemical vapor -- deposition -- nanomaterials -- synthesis
Аннотация: Substrates pretreatment in suspensions of a detonation nanodiamond is widely used for nucleation of diamond growth by chemical vapor deposition (CVD). We found that iron inclusions in the nanodiamond provide catalytical growth of carbon nanotubes during CVD in a hot filament reactor (HF CVD). Carbon nanotubes grow in the area between two adjacent Si wafers. The diameters of such obtained nanotubes were in the range of 10-100 nm and the length of the tubes reaches about 10 mu m. The proposed HF CVD method has convincing potential for the fabrication of carbon nanotube coatings on a large surface area.

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Держатели документа:
Moscow MV Lomonosov State Univ, Dept Phys, Moscow 119991, Russia.
Univ Eastern Finland, Dept Phys & Math, Joensuu 80101, Finland.
RAS, Fed Sci Res Ctr Crystallog & Photon, AV Shubnikov Inst Crystallog, Moscow 119333, Russia.
Natl Res Ctr, Kurchatov Inst, Moscow 123182, Russia.
Russian Acad Sci, Krasnoyarsk Sci Ctr SB RAS, Fed Res Ctr, Inst Biophys, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Kudarenko, Ilya P.; Malykhin, Sergei A.; Orekhov, Andrey S.; Puzyr, Aleksey P.; Kleshch, Victor I.; Ismagilov, Rinat R.; Obraztsov, Alexander N.; RSF [17-72-10173]

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19.

Bioluminescent enzyme inhibition-based assay to predict the potential toxicity of carbon nanomaterials / E. N. Esimbekova [et al.] // Toxicol. Vitro. - 2017. - Vol. 45. - P128-133, DOI 10.1016/j.tiv.2017.08.022. - Cited References:55. - This study was supported by the Russian Science Foundation (project no. 16-14-10115). . - ISSN 0887-2333

РУБ Toxicology
Рубрики:
IN-VIVO
   ENGINEERED NANOPARTICLES
   NANOTUBE TOXICITY
   C-60
   FULLERENE
Кл.слова (ненормированные):
Nanotoxicity -- Enzyme inhibition-based assay -- Bioluminescence -- Luciferase -- Nanomaterials -- Nanotubes
Аннотация: A bioluminescent enzyme inhibition-based assay was applied to predict the potential toxicity of carbon nanomaterials (CNM) presented by single- and multi-walled nanotubes (SWCNT and MWCNT) and aqueous solutions of hydrated fullerene C-60 (C(60)HyFn). This assay specifically detects the influence of substances on parameters of the soluble or immobilised coupled enzyme system of luminescent bacteria: NAD(P)H:FMN-oxidoreductase + luciferase (Red + Luc). A protocol based on the optical properties of CNM for correcting the results of the bioluminescent assay was also developed. It was shown that the inhibitory activity of CNM on Red + Luc decreased in the following order: MWCNT > SWCNT > C(60)HyFn. The soluble enzyme system Red + Luc had high sensitivity to MWCNT and SWCNT, with values of the inhibition parameter IC50 equal to 0.012 and 0.16 mg/L, respectively. The immobilised enzyme system was more vulnerable to C(60)HyFn than its soluble form, with an IC50 equal to 1.4 mg/L. Due to its technical simplicity, rapid response time and high sensitivity, this bioluminescent method has the potential to be developed as a general enzyme inhibition-based assay for a wide variety of nanomaterials.

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Держатели документа:
SB RAS, Fed Res Ctr, Krasnoyarsk Sci Ctr, Inst Biophys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Inst Fundamental Biol & Biotechnol, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Esimbekova, Elena N.; Nemtseva, Elena V.; Bezrukikh, Anna E.; Jukova, Galina V.; Lisitsa, Albert E.; Lonshakova-Mukina, Viktoriya I.; Rimatskaya, Nadezhda V.; Sutormin, Oleg S.; Kratasyuk, Valentina A.; Esimbekova, Elena; Nemtseva, Elena; Russian Science Foundation [16-14-10115]

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20.

Estimating CO2 gas exchange in mixed age vegetable plant communities grown on soil-like substrates for life support systems / V. V. Velichko, A. A. Tikhomirov, S. A. Ushakova // Life Sci. Space Res. - 2018. - Vol. 16. - P47-51, DOI 10.1016/j.lssr.2017.11.001 . - ISSN 2214-5524
Кл.слова (ненормированные):
Bioconversion of plant waste -- CO2 gas exchange -- Conveyor mode -- Plant cultivation -- Soil-like substrate -- carbon dioxide -- Article -- atmosphere -- beet -- carrot -- concentration (parameters) -- Cyperus esculentus -- gas exchange -- genetic variation -- microclimate -- nonhuman -- plant age -- plant community -- plant growth -- planting density -- priority journal -- reproducibility -- soil and soil related phenomena -- soil like substrate -- vegetable
Аннотация: If soil-like substrate (SLS) is to be used in human life support systems with a high degree of mass closure, the rate of its gas exchange as a compartment for mineralization of plant biomass should be understood. The purpose of this study was to compare variations in CO2 gas exchange of vegetable plant communities grown on the soil-like substrate using a number of plant age groups, which determined the so-called conveyor interval. Two experimental plant communities were grown as plant conveyors with different conveyor intervals. The first plant community consisted of conveyors with intervals of 7 days for carrot and beet and 14 days for chufa sedge. The conveyor intervals in the second plant community were 14 days for carrot and beet and 28 days for chufa sedge. This study showed that increasing the number of age groups in the conveyor and, thus, increasing the frequency of adding plant waste to the SLS, decreased the range of variations in CO2 concentration in the “plant–soil-like substrate” system. However, the resultant CO2 gas exchange was shifted towards CO2 release to the atmosphere of the plant community with short conveyor intervals. The duration of the conveyor interval did not significantly affect productivity and mineral composition of plants grown on the SLS. © 2017

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Держатели документа:
Institute of Biophysics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, Akademgorodok, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Velichko, V. V.; Tikhomirov, A. A.; Ushakova, S. A.

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