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    Optical correction of the results of bioassays based on bacterial bioluminescence in vitro applied to nanoparticles [Text] / A. A. Lisitsa, E. V. Nemtseva, V. A. Kratasyuk // Luminescence. - 2014. - Vol. 29. - P74-75. - Cited References: 5 . - ISSN 1522-7235. - ISSN 1522-7243
Рубрики:
TOXICITY
   WATER

WOS
Держатели документа:
[Lisitsa, Albert A.
Nemtseva, Elena V.
Kratasyuk, Valentina A.] Siberian Fed Univ, Krasnoyarsk, Russia
[Nemtseva, Elena V.
Kratasyuk, Valentina A.] Inst Biophys SB RAS, Krasnoyarsk, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Lisitsa, A.A.; Nemtseva, E.V.; Kratasyuk, V.A.

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    Application of enzyme bioluminescence in ecology [Text] / V. . Kratasyuk, E. . Esimbekova // Luminescence. - 2014. - Vol. 29. - P25-25. - Cited References: 6 . - ISSN 1522-7235. - ISSN 1522-7243
Рубрики:
SYSTEM
   WATER
   ASSAY

WOS
Держатели документа:
[Kratasyuk, Valentina
Esimbekova, Elena] Siberian Fed Univ, Krasnoyarsk, Russia
[Kratasyuk, Valentina
Esimbekova, Elena] RAS, Inst Biophys, Siberian Branch, Krasnoyarsk, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Kratasyuk, V...; Esimbekova, E...

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Secretion of free fatty acids by prokaryotic and eukaryotic algae at optimal, supraoptimal, and suboptimal growth temperatures [Text] / N. N. Sushchik, G. S. Kalacheva, M. I. Gladyshev // Microbiology. - 2001. - Vol. 70, Is. 5. - P. 542-547, DOI 10.1023/A:1012351920589. - Cited References: 19 . - ISSN 0026-2617

РУБ Microbiology
Рубрики:
SURFACE-FILM
WATER
Кл.слова (ненормированные):
free fatty acids -- secretion -- microalgae
Аннотация: The paper describes the composition of extracellular free fatty acids (FFAs) and intracellular fatty acids (FAs) in the enrichment cultures of the prokaryotic alga Spirulina platensis and the eukaryotic alga Chlorella vulgaris grown at optimal, supraoptimal, and suboptimal growth temperatures. With increasing growth temperature, the degree of unsaturation of the intracellular FAs of both algae decreased, while that of the extracellular FFAs of S. platensis increased. The composition of the extracellular FFAs of C vulgaris practically did not depend on the growth temperature.

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

Доп.точки доступа:
Sushchik, N.N.; Kalacheva, G.S.; Gladyshev, M.I.

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Chemical interactions between planktonic crustaceans [Текст] / E. S. Zadereev // Zhurnal Obshchei Biol. - 2002. - Vol. 63, Is. 2. - P. 159-167. - Cited References: 52 . - ISSN 0044-4596

РУБ Biology
Рубрики:
DIEL VERTICAL MIGRATION
   DAPHNIA-MAGNA CRUSTACEA
   SEX DETERMINATION
   COLONY FORMATION
   CLADOCERA
   FISH
   RESPONSES
   PULEX
   WATER
   SCENEDESMUS
Аннотация: Three levels of chemical communications involved plankton Crustacea are considered: 1) Influence of zooplankton excretion on phytoplankton; 2) Influence of zooplankton excretion on the individuals of the same or other species of the same trophic level; 3) Influence of chemical cues released by predatory zooplankton and fish on herbivorous zooplankton. The data on the influence of excreted cues on some physiological (growth, reproduction, feeding, etc.) and behavioural (vertical and horizontal migrations) characters of planktonic crustaceans are presented. Ecological role and chemistry cues responsible for the interactions of different trophic levels can be different. It is considered that chemical communications in aquatic ecosystems can be provided with: 1) Species-specific cues that strictly influence particular biological functions (communication system of feromone type); 2) Non-specific cues that strictly influence particular functions (system of regulator, that act at the whole ecosystem as the hormonal system of an organism). 3) Non-specific substances with broad (nonspecific) influence-toxic substances of "biocondition substances" according to classification of Novikov and Kharlamova (2000).

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

Доп.точки доступа:
Zadereev, E.S.

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A temperature dependence of the intra- and extracellular fatty-acid composition of green algae and cyanobacterium [Text] / N. N. Sushchik [et al.] // Russ. J. Plant Physiol. - 2003. - Vol. 50, Is. 3. - P. 374-380, DOI 10.1023/A:1023830405898. - Cited References: 31 . - ISSN 1021-4437

РУБ Plant Sciences
Рубрики:
SURFACE-FILM
   LIPIDS
   WATER
   BLOOM
   SEA
   BAY
Кл.слова (ненормированные):
green algae -- cyanobacterium -- lipids -- fatty acids -- secretion
Аннотация: The effect of ambient temperature on the composition of intracellular fatty acids and the release of free fatty acids (FFA) into a medium by cyanobacterium Spirulina platensis and eukaryotic microalgae, Chlorella vulgaris and Botryococcus braunii, was studied using their batch cultures. It was found that all the species studied, regardless of their taxonomic status, responded to the temperature regime by similar changes in their intracellular fatty acid composition: the relative content of more unsaturated fatty acids decreased with the elevation of temperature. At the same time, in the prokaryote, this temperature shift blocked, first of all, the elongation of 16:0 to 18:0 and then their further desaturation. In eukaryotes, the change in the desaturation of dienoic to trienoic fatty acids was the most pronounced process. The ratio of dienoic to trienoic fatty acids remained almost unchanged in S. platensis. The relative content of extracellular unsaturated FFA increased in the prokaryotic organism S. platensis at a higher temperature. But no significant changes in the composition of extracellular unsaturated FFA were detected in eukaryotic algae upon temperature elevation.

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

Доп.точки доступа:
Sushchik, N.N.; Kalacheva, G.S.; Zhila, N.O.; Gladyshev, M.I.; Volova, T.G.

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Individual-based model of the reproduction cycle of Moina macrocopa (Crustacea : Cladocera) [Text] / E. S. Zadereev [et al.] // Ecol. Model. - 2003. - Vol. 162, Is. 01.02.2013. - P. 15-31, DOI 10.1016/S0304-3800(02)00348-4. - Cited References: 25 . - ISSN 0304-3800

РУБ Ecology
Рубрики:
POPULATION
   ZOOPLANKTON
   FEMALES
   WATER
Кл.слова (ненормированные):
individual-based model -- Cladocera -- change of reproduction mode -- metabolic by-products
Аннотация: An individual-based model of cyclic development of Cladocera populations was developed on the basis of experimental data. The model takes into account the following processes describing the development of an individual animal: maturation, transition into other reproductive classes, selection of the reproduction mode (parthenogenetic or gamogenetic), release of parthenogenetic progeny and death. The model assumes that switching from asexual to sexual reproduction is controlled by the concentration of food and metabolic by-products of the animal population. Verification of the model by independent experiments demonstrated that (1) during population growth, metabolic by-products build up in the medium, and (2) the effect of metabolic by-products on gamogenesis induction depends on concentration. The hypothesis that the effect of regulating reproductive switching factors should synchronise the development of population with the change of environmental conditions in order to ensure production of the maximum number of diapausing eggs was tested. It is shown that combination of regulating reproductive switching factors maximises the production of diapausing eggs. (C) 2002 Elsevier Science B.V. All rights reserved.

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

Доп.точки доступа:
Zadereev, E.S.; Prokopkin, I.G.; Gubanov, V.G.; Gubanov, M.V.

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Luminous bacteria: Biotechnological aspects [Text] / G. A. Vydryakova [et al.] ; ed. A Tsuji [et al.] // Bioluminescence & Chemiluminescence: Progress and Perspectives : WORLD SCIENTIFIC PUBL CO PTE LTD, 2005. - 13th International Symposium on Bioluminescence and Chemiluminescence (AUG 02-06, 2004, Yokohama, JAPAN). - P. 95-98, DOI 10.1142/9789812702203_0022. - Cited References: 12 . - ISBN 981-256-118-8

РУБ Biochemical Research Methods + Biochemistry & Molecular Biology + Chemistry, Applied + Chemistry, Physical + Optics
Рубрики:
TOXICITY
WATER

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

Доп.точки доступа:
Vydryakova, G.A.; Chugaeva, Y.V.; Tyulkova, N.A.; Medvedeva, S.E.; Kuznetsov, A.M.; Rodicheva, E.K.; Tsuji, A \ed.\; Matsurnoto, M \ed.\; Maeda, M \ed.\; Kricka, LJ \ed.\; Kricka,, J \ed.\

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Design of multicomponent reagents for enzymatic assays [Text] / E. N. Esimbekova [et al.] // Dokl. Biochem. Biophys. - 2015. - Vol. 461, Is. 1. - P102-105, DOI 10.1134/S1607672915020106. - Cited References:8. - The work was supported by the Program of the Russian Academy of Sciences "Molecular and Cell Biology" (project no. 6.8) as well as within the state contract between the Ministry of Education and Science of the Russian Federation and Siberian Federal University (project 1762). . - ISSN 1607-6729. - ISSN 1608-3091

РУБ Biochemistry & Molecular Biology + Biophysics
Рубрики:
BIOLUMINESCENT
WATER

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

Доп.точки доступа:
Esimbekova, E. N.; Lonshakova-Mukina, V. I.; Bezrukikh, A. E.; Kratasyuk, V. A.; Program of the Russian Academy of Sciences "Molecular and Cell Biology" [6.8]; Ministry of Education and Science of the Russian Federation; Siberian Federal University [1762]

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Amphibia as a Vector of Transfer of Long-Chain Polyunsaturated Omega-3 Fatty Acids from Aquatic to Terrestrial Ecosystems / M. V. Yermokhin [et al.] // Dokl. Biochem. Biophys. - 2018. - Vol. 481, Is. 1. - P195-197, DOI 10.1134/S160767291804004X. - Cited References:15. - This work was supported by the Russian Foundation for Basic Research (project no. 16-04-01248), project of the Russian Academy of Sciences no. II.2P/VI.51-1, the State Task of the Ministry of Education and Science of the Russian Federation to the Siberian Federal University for research (no. 6.1504.2017/PCh), and the program of the President of the Russian Federation for state support of leading scientific schools (project no. NSh-9249.2016.5). . - ISSN 1607-6729. - ISSN 1608-3091

РУБ Biochemistry & Molecular Biology + Biophysics
Рубрики:
FATTY-ACIDS
   WATER
   INSECTS
   EXPORT
   LAND
   EMERGENCE
   BIOMASS
   FLUXES
Аннотация: The flow of long-chain polyunsaturated fatty acids (PUFAs) of the omega-3 family, namely, eicosapentaenoic acid (20:5n-3, EPA) and docosahexaenoic acid (22:6n-3, DHA), exported by amphibian metamorphs from water to terrestrial ecosystems in the Medveditsa River floodplain, was quantified for the first time. The total biomass export by three amphibian species (Pelobates fuscus, Bombina bombina, and Pelophylax ridibundus) per unit area of the lake surface was 0.594 g/m(2) per year (as a mean for 2 years). The biomass flow per unit area of land was 0.726 g/ha per year (0.302 g/ha per year for organic carbon) in 2015-2016. The average annual total removal of EPA + DHA by amphibians from the floodplain lake was 1.47 mg/m(2) of water surface area. Due to the high content of EPA and DHA in biomass, amphibians are potentially a valuable food for terrestrial predators having no access to other sources of essential PUFAs.

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Scopus
Держатели документа:
Saratov State Natl Res Univ, Saratov 410012, Russia.
Russian Acad Sci, Krasnoyarsk Sci Ctr, Fed Res Ctr, Inst Biophys,Siberian Branch, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Severtsov Inst Ecol & Evolut, Saratov Branch, Saratov 410028, Russia.

Доп.точки доступа:
Yermokhin, M. V.; Sushchik, N. N.; Tabachishin, V. G.; Kalacheva, G. S.; Kolmakova, A. A.; Gladyshev, M. I.; Russian Foundation for Basic Research [16-04-01248]; Russian Academy of Sciences [II.2P/VI.51-1]; Ministry of Education and Science of the Russian Federation [6.1504.2017/PCh]; program of the President of the Russian Federation for state support of leading scientific schools [NSh-9249.2016.5]

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10.

Factors of Dynamics of Plankton Crustacean Communities under Eutrophic Conditions / I. Y. Feniova [et al.] // Russ. J. Ecol. - 2019. - Vol. 50, Is. 1. - P50-57, DOI 10.1134/S1067413619010028. - Cited References:35. - The experiments and collection of biological samples were carried out with support from the Polish National Science Center (UMO-506 2016/21/B/NZ8/00434). Phytoplankton samples were processed with support from the Russian Foundation for Basic Research (project no. 18-54-00002 Bel_a), zooplankton samples were processed with support from the Belarusian Republican Foundation for Basic Research (project nos. B18SRBG-007 and B18KI-007). Statistical analysis, interpretation of the results, literature review and preparation of publication were performed with support from the Russian Science Foundation (project no. 16-14-10323). . - ISSN 1067-4136. - ISSN 1608-3334

РУБ Ecology
Рубрики:
FOOD QUALITY
   STOICHIOMETRY
   LIMITATION
   GROWTH
   WATER
   NITROGEN
Кл.слова (ненормированные):
mesocosms -- nutrients -- chlorophyll -- biomass of crustaceans -- species -- structure of zooplankton -- food quality
Аннотация: It has been shown that the main drivers of the dynamics of cladoceran and copepod abundances can be predators (fish), the quantity and/or quality of food in terms of the contents of eicosapentaenoic acid, phosphorus and nitrogen in the seston under eutrophic conditions. In experimental mesocosms under eutrophic conditions, we found that, fish did not affect the quantity and quality of food resources for crustaceans. In the second half of experiments, however, dominance shifted from copepods to cladocerans. This was due to the improvement of the food quality for cladocerans in terms of the carbon-to-phosphorus ratio in the seston rather than to fish predation. Under eutrophic conditions, fish reduced the biomass of both cladocerans and copepods without changing the ratio between them.

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Держатели документа:
Russian Acad Sci, Severtsov Inst Ecol & Evolut, Moscow 119071, Russia.
Natl Acad Sci Belarus, Sci & Pract Ctr Bioresources, Minsk 220072, BELARUS.
Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Inst Biophys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Univ Warsaw, Fac Biol, PL-02096 Warsaw, Poland.
Nencki Inst Expt Biol, Hydrobiol Stn, PL-11730 Mikolajki, Poland.
Russian Acad Sci, Obukhov Inst Atmospher Phys, Moscow 119017, Russia.

Доп.точки доступа:
Feniova, I. Yu.; Razlutskij, V. I.; Gladyshev, M. I.; Kostrzewska-Szlakowska, I.; Majsak, N. N.; Rzepecki, M.; Sushchik, N. N.; Zilitinkevich, N. S.; Polish National Science Center [UMO-506 2016/21/B/NZ8/00434]; Russian Foundation for Basic Research [18-54-00002 Bel_a]; Belarusian Republican Foundation for Basic Research [B18SRBG-007, B18KI-007]; Russian Science Foundation [16-14-10323]

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11.

The effect of deicing salt solutes on Moina macrocopa and Allium cepa in a toxicity test experiment / T. S. Lopatina, Y. V. Aleksandrova, O. V. Anishchenko [и др.] // Vestn. Tomsk. Gos. Univ. Biol. - 2020. - Is. 51. - С. 162-178, DOI 10.17223/19988591/51/9. - Cited References:29. - This work was supported by the joint grant from the Russian Foundation for Basic Research, the Government of Krasnoyarsk Krai, and the Krasnoyarsk Krai Fund for Supporting Scientific and Scientific-Technical Activities (Grant No 19-44-240014). . - ISSN 1998-8591. - ISSN 2311-2077

РУБ Biology + Ecology
Рубрики:
DAPHNIA-MAGNA
   NACL SALINITY
   ROAD SALTS
   WATER
   FRESH
   CHLORIDE
Кл.слова (ненормированные):
salinity -- toxicity test -- Cladocera -- Allium-test -- aquatic ecosystems
Аннотация: Chloride salts are the most commonly used deicing materials for winter maintenance of roads. Numerous studies indicate a significant increase in the salinity of aquatic ecosystems associated with the long-term use of deicing materials in countries located in cold climates. The functioning of ecosystems largely depends on salinity, since salinity is one of the key factors determining the species composition, the structure of food webs and the productivity of aquatic communities. Given the growing threat of salinization of groundwater and surface waters, it is extremely important to study the effect of deicing materials on the biota and functioning of aquatic ecosystems. The aim of this research is to determine the threshold concentrations of solutions of the deicing salt mixture "Bionord" containing sodium and calcium chlorides, at which negative effects on the development of animal and plant test objects are observed. In this study, we used the salt-containing mixture "Bionord" as a model deicer. Similarly, with the most commonly used ice melting chemicals, the "Bionord" salt mixture contains a large amount of sodium and calcium chlorides (about 85% of the total weight). To evaluate the toxicity of the deicer solutions, we used acute and chronic toxicity tests with cladoceran Moina macrocopa (Straus, 1820) (Cladocera: Moinidae) and standard onion-based test with Allium cepa L. (Liliopsida: Amaryllidaceae) (Allium-test). In acute and chronic toxicity tests with Cladocera, the females on the first day of their life (body size 0.5-0.6 mm) were placed individually in jars with aged (not less than for 72 h) tap water with a volume of 20 ml with the addition of a deicer at a certain concentration. A group of animals that was placed in the medium without the deicer was used as a control. In the acute toxicity tests, we used the following concentration of the deicer: 1.3; 2.5; 4.0, 5.0; 6.0; 8.0; 10.0 g/l. The mortality of animals was recorded 24 and 48 hours after the start of the experiment. The concentration of the deicer (LC50) at which 50% of animals was observed to die, compared to the control, was determined in the acute toxicity test. In a chronic toxicity test, animals were tested in the following range of concentrations of the deicer: 0.3; 0.6; 1.3; 2.5; 5.0; 6.0 and 8.0 g/l. The chronic toxicity test was conducted until the death of all test animals. Based on the data obtained in the chronic toxicity test, the specific growth rate of juvenile females, average fecundity, and average life span of M. macrocopa were calculated for each concentration of the deicer. Bulbs of onions of the Stuttgartenrisen variety with a diameter of 1.8 +/- 0.1 cm and a weight of 2.27 +/- 0.17 g were used in the onion test. Bulbs with their bottoms were placed in test tubes containing 20 ml of a solute of the deicer or tap water for 48 hours. Three bulbs were tested for each concentration and for the control. The following concentrations of the deicer were used in the onion test: 1.0; 2.5; 5.0; 7.0; 10.0; 15.0; 20.0; 50.0 g/l. The general toxic and cytotoxic effects were evaluated in the onion test. The average root length and the total root length on each bulb were used as indicators of the total toxicity of the solutions of deicer. To evaluate proliferative activity, we calculated the mitotic index as the fraction of dividing cells in the apical root meristem to the total number of cells. Based on the results of the experiments, we determined median effective mixture concentrations (EC50) at which there is a 50% decrease, compared to the control, in the values of root growth indicators: average root length, sum of root lengths on each bulb and mitotic index. Median lethal concentration (LC50) of the deicing salt determined in the 48-hour acute toxicity test with females of Al. macrocopa was equal to 5.1 g/l. In the chronic test, we showed that the exposure to the solutions of the deicing salt in the range of concentrations from 0.3 to 5.0 g/l does not affect the life span, specific growth rate of juveniles and fecundity of females of M. macrocopa. The median effective concentration (EC50) of the deicing salt determined in the Allium-tests were 6.3, 5.2 and 10.4 g/l for the sum of root lengths, average root length on each bulb and proliferative activity at the tips of roots (mitotic index), respectively (See Table 1 and 2). Complete inhibition of onion root growth was observed at the concentration of the decider equal to 20 g/l, while the death of all test animals in the acute toxicity test occurred at the concentration of the deicer equal to 8,0 g/l (See Fig. 1). Thus, we demonstrated that similar concentrations of the deicer induced 50% inhibition of the growth of onion roots and 50% mortality of cladocerans. These values, in general, corresponded to a critical salinity of 5-8 %o above which qualitative changes occur both in the external and internal condition of aquatic animals. The electrical conductivity of the deicer solutions, which had a negative effect on the selected test species, coincides with the previously obtained values of the electrical conductivity of sodium chloride solutions harmful to cladocerans. We can assume that the main mechanism of the effect of the deicing material that we study is associated with the biological effect of its chlorine and sodium salts Taking this into account, the value of electrical conductivity measured for solutions of deicing salt can be used to assess its negative potential effects. We estimated that in the absence of timely cleaning, regulated by the rules for using the material, the runoff from each square meter of the treated surface can lead to the pollution of 8-13 liters of fresh water. Thus, the basic requirement for the use of deicing salts on roads is the need to comply with the cleaning regime of the treated surfaces. Otherwise, the gradual accumulation of sodium and calcium chlorides in water bodies can cause an increase in salinity which will affect the survival of freshwater aquatic organisms and lead to serious disturbances in the functioning of aquatic ecosystems.

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Держатели документа:
Russian Acad Sci, Fed Res Ctr, Inst Biophys, Siberian Branch,Krasnoyarsk Sci Ctr,Lab Ecosyst B, 50-50 Akademgorodok, Krasnoyarsk 660036, Russia.
Russian Acad Sci, Fed Res Ctr, Inst Biophys, Siberian Branch,Krasnoyarsk Sci Ctr,Lab Biolumine, 50-50 Akademgorodok, Krasnoyarsk 660036, Russia.
Russian Acad Sci, Fed Res Ctr, Inst Biophys, Siberian Branch,Krasnoyarsk Sci Ctr,Analyt Lab, 50-50 Akademgorodok, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Sch Fundamental Biol & Biotechnol, Dept Biophys, 79 Svobodniy Ave, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Lopatina, Tatiana S.; Aleksandrova, Yuliyana, V; Anishchenko, Olesya, V; Gribovskaya, Iliada, V; Oskina, Nataliya A.; Zotina, Tatiana A.; Zadereev, Egor S.; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR); Government of Krasnoyarsk Krai; Krasnoyarsk Krai Fund for Supporting Scientific and Scientific-Technical Activities [19-44-240014]

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12.

A comparative study of biota and sediments as monitors of plutonium in the Yenisei River (Siberia, Russia) / T. A. Zotina, M. S. Melgunov, D. V. Dementyev [et al.] // J. Environ. Radioact. - 2021. - Vol. 237. - Ст. 106723, DOI 10.1016/j.jenvrad.2021.106723. - Cited References:50. - The authors are grateful to the staff of the Radioecology Laboratory (Institute of Biophysics SB RAS, Krasnoyarsk) and the head of the Laboratory, Dr. Alexander Bolsunovsky, for their help in sample collection and processing, to Irina Makarova (Institute of Geology and Mineralogy SB RAS, Novosibirsk) for radiochemical separation of plutonium, and to Elena Krasova for linguistic check and improvements. We also appreciate comments of anonymous reviewers, which allowed us to improve our manuscript. The research was supported by the grants of Russian Foundation for Basic Research, Government of the Krasnoyarsk Territory, and Krasnoyarsk Regional Scientific Foundation No. 20-44-240004 and 18-44-240003, and the State Assignment for Fundamental Research to IBP SB RAS and IGM SB RAS. . - ISSN 0265-931X. - ISSN 1879-1700

РУБ Environmental Sciences
Рубрики:
PU-240/PU-239 ATOM RATIO
ARTIFICIAL RADIONUCLIDES
WATER
Кл.слова (ненормированные):
Americium -- Cesium -- Submerged macrophyte -- Zoobenthos
Аннотация: MOX-fuel production and spent nuclear fuel reprocessing started recently at the Mining-and-Chemical Combine (MCC, Zheleznogorsk, Russia) have caused an increase in controlled releases of plutonium to the Yenisei River. In this study, we analyzed time-dependent trends of plutonium (239,240Pu and 238Pu) in biota and bottom sediments of the Yenisei during 2008-2019, to estimate comparatively the potential of abundant representatives of biota as bio-monitors of contamination of the Yenisei by plutonium. Gamma-emitting radionuclides (40 K; 60Co; 137Cs; 152Eu; 241Am) were measured in environmental samples of the Yenisei as well. Samples of bottom sediments, water moss (Fontinalis antipyretica), shining pondweed (Potamogeton lucens), caddisfly larvae with casings (Apatania crymophila), and amphipods (Eulimnogammarus viridis and Palaseopsis cancelloides) were collected downstream and upstream of the radioactive discharge site. Environmental samples of the Yenisei collected downstream of the radioactive discharge site differed considerably in activity concentrations of plutonium but were similar in time-dependent trends of plutonium, reflecting the trends of annual discharges of plutonium. In 2018, the year of a sharp increase in controlled discharge of plutonium, the concentration of 239,240Pu in water moss (26 Bq kg-1 d.w.) was higher than in sediments (14 Bq kg-1 d.w.). In other years, the highest activity concentration of 2391,240Pu was observed in bottom sediments. In view of the higher magnitude of increase in plutonium concentration, water moss and shining pondweed can be considered as more sensitive indicators of increased fresh releases of plutonium than bottom sediments. Taking into account the food-related mechanism of plutonium uptake by amphipods, this representative of biota can be regarded as a sensitive monitor of bioavailable plutonium in the Yenisei.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Inst Biophys,Fed Res Ctr, 50-50 Akademgorodok, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Inst Fundamental Biol & Biotechnol, 79 Svobodny Av, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Siberian Branch, Inst Geol & Mineral, 3 Academician Koptyug Av, Novosibirsk 630090, Russia.

Доп.точки доступа:
Zotina, Tatiana A.; Melgunov, Michail S.; Dementyev, D. V.; Miroshnichenko, L. V.; Alexandrova, Y. V.; Russian Foundation for Basic Research, Government of the Krasnoyarsk Territory; Krasnoyarsk Regional Scientific Foundation [20-44-240004, 18-44-240003]; State Assignment for Fundamental Research

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13.

Bioluminescent enzyme inhibition-based assay for the prediction of toxicity of pollutants in urban soils / E. M. Kolosova, O. S. Sutormin, L. V. Stepanova [et al.] // Environ. Technol. Innov. - 2021. - Vol. 24. - Ст. 101842, DOI 10.1016/j.eti.2021.101842. - Cited References:46. - This work was supported by the Russian Foundation for Basic Research, the Government of the Krasnoyarsk Region, Russia, and Krasnoyarsk Regional Foundation for Supporting Scientific and Technological Activities, Russia [grant number 18-47-240005] in the field of statistical analysis and interpretation of the data; and the work related to the sample collection was supported by the Ministry of Science and Higher Education of the Russian Federation [grant number FSRZ-2020-0006]. . - ISSN 2352-1864

РУБ Biotechnology & Applied Microbiology + Engineering, Environmental
Рубрики:
FLUORIDE
   BIOASSAYS
   POLLUTION
   METALS
   WATER
Кл.слова (ненормированные):
Urbostratozems -- Soil pollution -- Industrial contamination -- Bioassay -- Bioluminescence
Аннотация: There is a need for rapid simple and informative environmental assessment methods. The present investigation is aimed at assessing the possibility of using the combined enzyme system of luminescent bacteria: NAD(P)H:FMN-oxidoreductase + luciferase (Red + Luc) for predicting the potential toxicity of industrial urbostratozems sampled in the city of Krasnoyarsk. Three groups of urbostratozems polluted with fluorine, arsenic and lead, were tested by the methods of chemical analysis and enzymatic bioassay. Only the assessment of the arsenic-contaminated soil samples showed the dependence between the reduced activity of the enzyme system and the arsenic concentration variations. The results reveal that the sensitivity of the Red + Luc enzyme system to the soil pollutants depends on the properties of the studied soil samples. Moreover, the solubility of lead in the soil samples affects the accuracy of the enzymatic bioassays for soil toxicity testing. The results of the enzymatic bioassay of the fluoride-contaminated soil samples are ambiguous. The obtained data show the relevance of the sample preparation during integral bioassays. In addition, soil properties should be taken into account as well. The current study emphasizes the importance of conducting chemical and biological testing as a combined set to obtain comprehensive information about the anthropogenic load. (C) 2021 Elsevier B.V. All rights reserved.

WOS
Держатели документа:
Siberian Fed Univ, Dept Biophys, 79 Svobodny St, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Krasnoyarsk Agr Res Inst, Fed Res Ctr Krasnoyarsk Sci Ctr Siberian Branch, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Dept Aquat & Terr Ecosyst, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Photobiol Lab, Inst Biophys, Fed Res Ctr `Krasnoyarsk Sci Ctr Siberian Branch, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Kolosova, Elizaveta M.; Sutormin, Oleg S.; Stepanova, L. V.; Shpedt, Aleksandr A.; Rimatskaya, N. V.; Sukovataya, Irina E.; Kratasyuk, Valentina A.; Russian Foundation for Basic Research, the Government of the Krasnoyarsk Region, Russia; Krasnoyarsk Regional Foundation for Supporting Scientific and Technological Activities, Russia [18-47-240005]; Ministry of Science and Higher Education of the Russian Federation [FSRZ-2020-0006]

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