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Иностранные журналы библиотеки Института биофизики СО РАН

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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Chen S. -C., Huang H. -H., Lai M. -C., Weng C. -Y., Chiu H. -H., Tang S. -L., Rogozin D. Y., Degermendzhy A. G.
Заглавие : Methanolobus psychrotolerans sp. nov., a psychrotolerant methanoarchaeon isolated from a saline meromictic lake in siberia
Место публикации : Int. J. Syst. Evol. Microbiol.: Microbiology Society, 2018. - Vol. 68, Is. 4. - С. 1378-1383. - ISSN 14665026 (ISSN) , DOI 10.1099/ijsem.0.002685
Ключевые слова (''Своб.индексиров.''): archaea--lake shira--methanogen--methanolobus--psychrotolerant--saline meromictic lake
Аннотация: A psychrotolerant, methylotrophic methanogen, strain YSF-03T, was isolated from the saline meromictic Lake Shira in Siberia. Cells of strain YSF-03T were non-motile, irregular cocci and 0.8–1.2?m in diameter. The methanogenic substrates utilized by strain YSF-03T were methanol and trimethylamine. The temperature range of growth for strain YSF-03T was from 0 to 37 °C. The optimum growth conditions were 30–37 °C, pH 7.0–7.4 and 0.17M NaCl. The G+C content of the genome of strain YSF-03T was 41.3 mol%. Phylogenetic analysis revealed that strain YSF-03T was most closely related to Methanolobus profundi MobMT (98.15% similarity in 16S rRNA gene sequence). Genome relatedness between strain YSF-03T and MobMT was computed using the Genome-to-Genome Distance Calculator and average nucleotide identity, which gave values of 23.5 and 79.3 %, respectively. Based on the morphological, phenotypic, phylogenetic and genomic relatedness data presented here, it is evident that strain YSF-03T represents a novel species of the genus Methanolobus, for which the name Methanolobus psychrotolerans sp. nov. is proposed. The type strain is YSF-03T (=BCRC AR10049T=DSM 104044T=NBRC 112514T). © 2018 IUMS.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Grodnitskaya I. D., Sorokin N. D., Evgrafova S. Y., Antonov G. I., Syrtsov S. N., Aleksandrov D. E., Trusova M. Y., Koroban N. V.
Заглавие : Microbial transformation of carbon CH4 and CO2 in permafrost-affected soils in tundra and forest ecosystems in Siberia
Место публикации : Russ. J. For. Sci.: Izdatel'stvo Nauka, 2017. - Is. 2. - С. 111-127. - ISSN 00241148 (ISSN)
Ключевые слова (''Своб.индексиров.''): bacterial diversity--ch4 and co2 emission--dynamics and activity of microbial complexes--frost-crack polygons--larch forests--tundra--сryogenic soils
Аннотация: We studied structure, dynamics and functional (biogeochemical) activity of microbial complexes of cryogenic soils in larch forests in Central Evenkia and polygonal tundra on Samoilovskii Island, Lena Delta. We found that daily flux of methane from soil surface is 3–5 times less in forest soil than in the center of polygon in tundra. Short-term heating to 18.5–22.5 °C of permafrost-affected soil in larch forest caused sweetening of soil solution, shrinkage of eco-trophic groups of microorganisms and microbial biomass, as well as increase in greenhouse gases (CO2 and CH4) emission to the air. Notably the permafrost-affected soil on sandy deposits in tundra had highest microbial diversity of methanogenic archaea including Methanobacteriaceae, Methanomicrobiaceae, Methanosarcinaceae, Methanosaetaceae families. On the other hand only Methanosarcinacea were found in cryosols of larch forest. Both type I and type II methanotrophs were found in the forest soil, while only type II methanotrophs occurred in tundra soil. © 2017, Izdatel’stvo Nauka. All rights reserved.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Borovikova E. A., Kodukhova, Yu. V.
Заглавие : Specific Features of Morphology, Ecology, and Mitochondrial DNA Polymorphism of the Whitefish (Coregonus lavaretus L.) from the Keret' River as a New Object for Artificial Propagation
Колич.характеристики :12 с
Коллективы : Russian Science Foundation [16-14-10001]
Место публикации : Contemp. Probl. Ecol.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2018. - Vol. 11, Is. 3. - С. 259-270. - ISSN 1995-4255, DOI 10.1134/S1995425518030046. - ISSN 1995-4263(eISSN)
Примечания : Cited References:38. - We are grateful to S.N. Baldina, N.V. Bardukov, I.V. Vihrev, L.A. Glushchenko, A.A. Makhrov, V.P. Prokayev, A.Yu. Rol'skii, S.G. Sokolov, V.A. Shirokov, I.L. Shchurov, and V.V. Ignatenko and staff from the fishery monitoring station of the Vygskii fish hatchery, the Vologda laboratory at the State Scientific Research Institute of Lake and River Fisheries, and the Pskov branch of the State Scientific Research Institute of Lake and River Fisheries for their assistance in sampling. We are also grateful to A.A. Makhrov for discussing the material and for valuable comments on the manuscript. The study was financially supported for Russian Science Foundation, project no. 16-14-10001.
Предметные рубрики: POPULATION
HABITATS
ORIGIN
MTDNA
Ключевые слова (''Своб.индексиров.''): whitefish--coregonus lavaretus--morphological analysis--craniological--analysis--genetic polymorphism--mitochondrial dna
Аннотация: The results of a study of the specific features of morphological and genetic polymorphism of the population of the anadromous White Sea common whitefish (Coregonus lavaretus L.) from the Keret' River are presented. As assessed by its morphological features, the whitefish population of the Keret' is homogenous. A comparison of the Keret' whitefish with whitefish populations of both Europe and Siberia revealed clear differences. These differences relate first and foremost to the fish locomotion and orientation in space: body depth, length and positions of fins, and interorbital width. The characteristics of skull features (craniological analysis) of the White Sea whitefish are presented for the first time. The results of an analysis of the polymorphism of the ND1 fragment of the mitochondrial DNA confirmed an earlier suggestion about the mixed origin of the Keret' River whitefish: the descendants of three different phylogenetic lineages were revealed in the population.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Rogozin D. Y., Zykov V. V., Ivanova E. A., Anufrieva T. N., Barkhatov Y. V., Khromechek E. B., Botvich I. Y.
Заглавие : Meromixis and Seasonal Dynamics of Vertical Structure of Lake Uchum (South Siberia)
Колич.характеристики :12 с
Коллективы : Russian Foundation for Basic Research [16-05-00091]; Council for Grants of the President of the Russian Federation [NSh-9249.2016.5]
Место публикации : Contemp. Probl. Ecol.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2018. - Vol. 11, Is. 2. - С. 195-206. - ISSN 1995-4255, DOI 10.1134/S1995425518020117. - ISSN 1995-4263(eISSN)
Примечания : Cited References:43. - This study was supported by the Russian Foundation for Basic Research (project no. 16-05-00091) and by partial support from the Council for Grants of the President of the Russian Federation on governmental support of leading scientific schools (grant NSh-9249.2016.5).
Предметные рубрики: PHOTOTROPHIC SULFUR BACTERIA
SALINE MEROMICTIC LAKES
SHUNET KHAKASSIA
Ключевые слова (''Своб.индексиров.''): meromixis--hydrogen sulfide--stratification--salt lake--phototrophic--sulfur bacteria--phytoplankton--zooplankton--bottom sediments
Аннотация: The seasonal dynamics of the vertical structure of small saline Lake Uchum, located in the steppe arid zone of the south of Siberia (Krasnoyarsk krai), has been studied in detail for the first time. This lake is a meromictic water body. We have revealed a heterogeneous vertical distribution of plankton organisms and a dense population of purple sulfuric bacteria in the redox zone. The taxonomic composition and seasonal dynamics of phyto- and zooplankton are described. Presumably, the meromixis of Lake Uchum is due to the inflow of fresh water to the surface of the saline water body during the rise of its level in the early 20th century, similarly to lakes Shira and Shunet located nearby. The processes of salt displacement into the solution during the formation of ice, as well as the precipitation of salts in the winter, also contribute to the maintenance of permanent stratification. The information on the current state of the lake can be useful for reconstructing the climate by bottom sediments, as well as for creating a model of water quality and investigating the therapeutic properties of lake mud.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Rogozin D. Y., Darin A. V., Kalugin I. A., Melgunov M. S., Meydus A. V., Degermendzhi A. G.
Заглавие : Sedimentation rate in Cheko Lake (Evenkia, Siberia): New evidence on the problem of the 1908 Tunguska Event
Колич.характеристики :3 с
Коллективы : Russian Foundation for Basic Research [16-04-00175, 16-05-00647]; Council on Grants of the President of the Russian Federation for Support of Leading Scientific Schools [NSh-9249.2016.5]
Место публикации : Dokl. Earth Sci.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2017. - Vol. 476, Is. 2. - С. 1226-1228. - ISSN 1028-334X, DOI 10.1134/S1028334X17100269. - ISSN 1531-8354(eISSN)
Примечания : Cited References:8. - This work was supported in part by the Russian Foundation for Basic Research (project nos. 16-04-00175 and 16-05-00647) and by the Council on Grants of the President of the Russian Federation for Support of Leading Scientific Schools (grant NSh-9249.2016.5).
Предметные рубрики: IMPACT
Аннотация: We estimated the age and sedimentation rate of bottom sediments in Cheko Lake located in southern Evenkia, in the territory of Tunguska Nature Reserve, near the supposed epicenter of the so-called 1908 Tunguska Event. The vertical distributions of Cs-137 and Pb-210 activity and visually counted varves in the core of lake bottom sediments indicate that Cheko Lake is significantly older than the 1908 Tunguska Event; therefore, the lake basin cannot be a crater or a trace of the explosion as was supposed earlier by some researchers.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belolipetskii V. M., Degermendzhi A. G., Genova S. N., Rogozin D. Y.
Заглавие : Change in the circulation regime in the stratified saline Lake Shira (Siberia, Republic of Khakassia)
Место публикации : Dokl. Earth Sci.: Maik Nauka-Interperiodica Publishing, 2017. - Vol. 474, Is. 2. - С. 649-652. - ISSN 1028334X (ISSN) , DOI 10.1134/S1028334X17060010
Ключевые слова (''Своб.индексиров.''): arid regions--lakes--mixing--climate scenarios--continental climate--in-situ data--incomplete mixing--simplified mathematical model--strong winds--vertical stratification--vertical structures--reservoirs (water)
Аннотация: The in-situ data on the vertical structure and stability of the vertical stratification of saline Lake Shira over the past decade (2007–2015) are analyzed. Simplified mathematical models have shown that strong wind in the autumn of 2014 together with rather thick ice in the winter of 2015 caused a change in the circulation regime of this water reservoir from meromictic (incomplete mixing) to holomictic (compete mixing). Based on the results obtained, a circulation regime for deep saline lakes located in the continental climate zone, in particular, in the arid zones of Southern Siberia (Khakassia, Transbaikal, and Altai) can be predicted under various climate scenarios of the future. © 2017, Pleiades Publishing, Ltd.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Rodionova N. S., Rota E., Tsarkova A. S., Petushkov V. N.
Заглавие : Progress in the Study of Bioluminescent Earthworms
Место публикации : Photochem. Photobiol.: Blackwell Publishing Inc., 2017. - Vol. 93, Is. 2. - С. 416-428. - ISSN 00318655 (ISSN) , DOI 10.1111/php.12709
Аннотация: Even though bioluminescent oligochaetes rarely catch people's eyes due to their secretive lifestyle, glowing earthworms sighting reports have come from different areas on all continents except Antarctica. A major breakthrough in the research of earthworm bioluminescence occurred in the 1960s with the studies of the North American Diplocardia longa. Comparative studies conducted on 13 earthworm species belonging to six genera showed that N-isovaleryl-3-aminopropanal (Diplocardia luciferin) is the common substrate for bioluminescence in all examined species, while luciferases appeared to be responsible for the color of bioluminescence. The second momentous change in the situation has occurred with the discovery in Siberia (Russia) of two unknown luminous enchytraeids. The two bioluminescent systems belong to different types, have different spectral characteristics and localization, and different temperature and pH optima. They are unique, and this fact is confirmed by the negative results of all possible cross-reactions. The bioluminescent system of Henlea sp. comprises four essential components: luciferase, luciferin, oxygen and calcium ion. For Friderica heliota, the luminescent reaction requires five components: luciferase, luciferin, ATP, magnesium ion and oxygen. Along with luciferin, more than a dozen analogues were isolated from worm biomass. These novel peptide-like natural compounds represent an unprecedented chemistry found in terrestrial organisms. © 2017 The American Society of Photobiology
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : 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.
Заглавие : Disturbance of meromixis in saline Lake Shira (Siberia, Russia): Possible reasons and ecosystem response
Колич.характеристики :12 с
Коллективы : Russian Foundation for Basic Research [16-05-00091]; Russian Federation [NSh-9249.2016.5]
Место публикации : Limnologica: ELSEVIER GMBH, URBAN & FISCHER VERLAG, 2017. - Vol. 66. - С. 12-23. - ISSN 0075-9511, DOI 10.1016/j.limno.2017.06.004. - ISSN 1873-5851(eISSN)
Примечания : 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.
Предметные рубрики: SHUNET SOUTH SIBERIA
MEROMICTIC LAKE
VERTICAL STRATIFICATION
WINTER
Ключевые слова (''Своб.индексиров.''): 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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Вид документа : Статья из сборника (выпуск монографической серии)
Шифр издания :
Автор(ы) : Rogozin, Denis, Zadereev, Egor, Prokopkin, Igor, Tolomeev, Alexander, Barkhatov, Yuri, Khromechek, Elena, Degermendzhi, Nadezhda, Drobotov, Anton, Degermendzhi, Andrei
Заглавие : Comparative Study of the Stability of Stratification and the Food Web Structure in the Meromictic Lakes Shira and Shunet (South Siberia, Russia)
Колич.характеристики :36 с
Место публикации : Ecol. Stud.: SPRINGER INTERNATIONAL PUBLISHING AG, 2017. - Vol. 228. - С. 89-124. - (Ecological Studies-Analysis and Synthesis). - , DOI 10.1007/978-3-319-49143-1_5
Примечания : Cited References:53
Предметные рубрики: PHOTOTROPHIC SULFUR BACTERIA
VERTICAL STRATIFICATION
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Rota, Emilia, Martinsson, Svante, Erseus, Christer, Petushkov, Valentin N., Rodionova, Natalja S., Omodeo, Pietro
Заглавие : Green light to an integrative view of Microscolex phosphoreus (Duges, 1837) (Annelida: Clitellata: Acanthodrilidae)
Колич.характеристики :15 с
Коллективы : Russian Foundation for Basic Research [15-04-02695-a]; Adlerbert Foundation; [01201351504]
Место публикации : Zootaxa: MAGNOLIA PRESS, 2018. - Vol. 4496, Is. 1. - С. 175-189. - ISSN 1175-5326, DOI 10.11646/zootaxa.4496.1.13. - ISSN 1175-5334(eISSN)
Примечания : Cited References:53. - This work was partially supported by Grant 15-04-02695-a from the Russian Foundation for Basic Research and the state budget allocated to the fundamental research at the Russian Academy of Sciences (project No 01201351504). Funding for travel to Western Australia (CE, SM) was provided by the Adlerbert Foundation.
Предметные рубрики: BIOLUMINESCENT EARTHWORMS
LUMINOUS EARTHWORM
OLIGOCHAETA
HAPLOTYPES
Ключевые слова (''Своб.индексиров.''): peregrine earthworm--cryptic diversity--morphology--dna-barcoding--bioluminescence
Аннотация: The small synanthropic and peregrine earthworm Microscolex phosphoreus (Duges, 1837) is reported for the first time from Siberia. Morphological and DNA barcode (COI) analyses of this and widely separate samples worldwide demonstrate that, as currently identified, M. phosphoreus is a heterogeneous taxon, with divergent lineages occurring often in the same locality and hardly providing geographically structured genetic signals. The combined morphological and genetic evidence suggests that at least four of the found clades should be reclassified as separate species, both morphologically and genetically distinct from each other. However, as the specimen number was limited and only the COI gene was studied for the genetic work, we hesitate in formally describing new species. There would also be the problem of assigning the available names to specific lineages. Our findings encourage careful external and anatomical examination and using reliable characters such as the interchaetal distances and spermathecal morphology for correct identification and for deeper evaluation of cryptic diversity in this interesting bioluminescent worm.
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11.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Vereshchagina, Kseniya, Kondrateva, Elizaveta, Axenov-Gribanov, Denis, Shatilina, Zhanna, Khomich, Andrey, Bedulina, Daria, Zadereev, Egor, Timofeyev, Maxim
Заглавие : Nonspecific stress response to temperature increase in Gammarus lacustris Sars with respect to oxygen-limited thermal tolerance concept
Колич.характеристики :17 с
Коллективы : Russian Science Foundation [17-14-01063]; Russian Foundation for Basic Research [16-34-00687, 16-34-60060, 17-34-50012]; Goszadanie project joint program of DAAD [6.9654.2017/8.9]; Ministry of education and Science M. Lomonosov [6.12735.2018/12.2]; Lake Baikal Foundation [FOB_02-3/05]
Место публикации : PeerJ: PEERJ INC, 2018. - Vol. 6. - Ст.e5571. - ISSN 2167-8359, DOI 10.7717/peerj.5571
Примечания : Cited References:49. - The study was carried out with the main financial support of Russian Science Foundation grant 17-14-01063, with the partial financial support of Russian Foundation for Basic Research grants 16-34-00687, 16-34-60060, 17-34-50012, the base part of Goszadanie project 6.9654.2017/8.9, joint program of DAAD and Ministry of education and Science M. Lomonosov (6.12735.2018/12.2) and Lake Baikal Foundation (FOB_02-3/05). There was no additional external funding received for this study. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
Предметные рубрики: COPEPOD TIGRIOPUS-JAPONICUS
SHUNET SOUTH SIBERIA
HEAT-SHOCK PROTEINS
Ключевые слова (''Своб.индексиров.''): gammarus lacustris--heat shock proteins 70 (hsp70)--nonspecific cellular--stress-response (ncsr)--lactate dehydrogenase--diene conjugates--schiff--bases--triene conjugates
Аннотация: The previously undescribed dynamics of the heat shock protein HSP70 and subsequent lipid peroxidation products have been assessed alongside lactate dehydrogenase activity for Gammarus lacustris Sars, an amphipod species from the saltwater Lake Shira (Republic of Khakassia). Individuals were exposed to a gradual temperature increase of 1 degrees C/hour (total exposure duration of 26 hours) starting from the mean annual temperature of their habitat (7 degrees C) up to 33 degrees C. A complex of biochemical reactions occurred when saltwater G. lactustris was exposed to the gradual changes in temperature. This was characterized by a decrease in lactate dehydrogenase activity and the launching of lipid peroxidation. The HSP70 level did not change significantly during the entire experiment. In agreement with the concept of oxygen-limited thermal tolerance, an accumulation of the most toxic lipid peroxides (triene conjugates and Schiff bases) in phospholipids occurred at the same time and temperature as the accumulation of lactate. The main criterion overriding the temperature threshold was, therefore, the transition to anaerobiosis, confirmed by the elevated lactate levels as observed in our previous associated study, and by the development of cellular stress, which was expressed by an accumulation of lipid peroxidation products. An earlier hypothesis, based on freshwater individuals of the same species, has been confirmed whereby the increased thermotolerance of G. lacustris from the saltwater lake was caused by differences in energy metabolism and energy supply of nonspecific cellular stress-response mechanisms. With the development of global climate change, these reactions could be advantageous for saltwater G. lacustris. The studied biochemical reactions can be used as biomarkers for the stress status of aquatic organisms when their habitat temperature changes.
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12.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zuev, Ivan V., Trofimova, Elena A., Zotina, Tatiana A.
Заглавие : Seasonal variability of length-weight relationships of Arctic grayling (Thymallus arcticus) and Siberian dace (Leuciscus baicalensis) inhabiting the middle reaches of the Yenisei River, Siberia, Russia
Колич.характеристики :5 с
Коллективы : Russian Foundation for Basic Research [18-44-240003]
Место публикации : Turk. J. Fish. Quat. Sci.: CENTRAL FISHERIES RESEARCH INST, 2019. - Vol. 19, Is. 10. - С. 893-897. - ISSN 1303-2712, DOI 10.4194/1303-2712-v19_10_09. - ISSN 2149-181X(eISSN)
Примечания : Cited References:23. - The authors would like to thank Natalia Oskina, Nikolay Moshkin, and Tatiana Fetisova for their help with fish measurements. The work was partly supported by Russian Foundation for Basic Research, Grant No. 18-44-240003.
Предметные рубрики: FISH
GROWTH
PALLAS
Ключевые слова (''Своб.индексиров.''): lwr--fish condition--baikal grayling--total length--total body weight
Аннотация: The present study proves the presence of seasonal variability of LWRs of Arctic grayling and Siberian dace inhabiting the middle reaches of the Yenisei River. LWRs were estimated using total length (cm) and total body weight (g). The literature data on LWRs of dace and grayling from different regions were compared using log a over b plot. The comparison revealed that seasonal variability of LWRs was wider than the geographic variability for these species. The position of points on the plot can be used to predict the season of sample collection and vice versa.
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13.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Dubovskaya O. P., Glushchenko L. A.
Заглавие : THE FIRST RECORDS OF SENECELLA SIBERICA VYSHKVARTZEVA 1994 (COPEPODA, CALANOIDA) IN LARGE NORILSK LAKES, PYASINA RIVER BASIN, CENTRAL SIBERIA
Колич.характеристики :8 с
Место публикации : Zool. Zhurnal: MAIK NAUKA-INTERPERIODICA PUBL, 2018. - Vol. 97, Is. 10. - С. 1264-1271. - ISSN 0044-5134, DOI 10.1134/S0044513418100057
Примечания : Cited References:26
Предметные рубрики: LIMNOCALANUS-MACRURUS
FRESH-WATER
MICHIGAN
ESTUARY
Аннотация: The large, deep, freshwater Norilsk lakes (Lake Lama, Lake Sobachye, Lake Glubokoe and Lake Keta) are located beyond the Arctic Circle, at the northwestern edge of the Putorana Plateau. They underwent a Pleistocene boreal marine transgression. A relict of that transgression, Limnocalanus macrurus Sars 1863 (Copepoda, Calanoida), presently dominates the crustacean zooplankton of these lakes. Sympatric with the native relict species L. macrurus, Senecella siberica Vyshkvartzeva 1994, was found in our zooplankton samples taken from the deep parts of lakes Lama and Sobachye in the summer-autumn of 2014-2016. Sampling was performed using a Juday net hauled vertically from a depth of 15, 20(25/30) and/or 50 m to the surface. All Senecella specimens were older copepodites, mainly CIV stage in Lama and Sobachye lakes in August and CV in Sobachye Lake in September; their abundance was low (25-2000 ind. m(-2)). They inhabited the central deeper regions of the lakes, contributing up to 7-14% to the total wet biomass of net zooplankton in 0-20 and 0-50 m strata. Previous sporadic and rather superficial samplings in these lakes missed Senecella due to its deep locations, low abundance levels and the absence of both the oldest copepodites and adults in summer.
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14.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Wu, Yu-Ting, Yang, Cheng-Yu, Chiang, Pei-Wen, Tseng, Ching-Hung, Chiu, Hsiu-Hui, Saeed, Isaam, Baatar, Bayanmunkh, Rogozin, Denis, Halgamuge, Saman, Degermendzhi, Andrei, Tang, Sen-Lin
Заглавие : Comprehensive Insights Into Composition, Metabolic Potentials, and Interactions Among Archaeal, Bacterial, and Viral Assemblages in Meromictic Lake Shunet in Siberia
Колич.характеристики :21 с
Коллективы : Ministry of Science and Technology in Taiwan [NSC 99-2923-B-001-001-MY3, NSC 102-2923-B-001-004]; Russian Foundation for Basic Research [16-05-00091-a]; Russian Federation [NSh-9249.2016.5]
Место публикации : Front. Microbiol.: FRONTIERS MEDIA SA, 2018. - Vol. 9. - Ст.1763. - ISSN 1664-302X, DOI 10.3389/fmicb.2018.01763
Примечания : Cited References:103. - This research was supported by the Ministry of Science and Technology in Taiwan through the Taiwan-Russia Joint Project Grant NSC 99-2923-B-001-001-MY3 and NSC 102-2923-B-001-004 and the Russian Foundation for Basic Research, Grant No. 16-05-00091-a. 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).
Предметные рубрики: BACTERIOPLANKTON COMMUNITY COMPOSITION
RIBOSOMAL-RNA GENES
ANTARCTIC
Ключевые слова (''Своб.индексиров.''): lake shunet--metagenomics--archaeal--bacterial and viral assemblages--meromictic lake
Аннотация: Microorganisms are critical to maintaining stratified biogeochemical characteristics in meromictic lakes; however, their community composition and potential roles in nutrient cycling are not thoroughly described. Both metagenomics and metaviromics were used to determine the composition and capacity of archaea, bacteria, and viruses along the water column in the landlocked meromictic Lake Shunet in Siberia. Deep sequencing of 265 Gb and high-quality assembly revealed a near-complete genome corresponding to Nonlabens sp. sh3vir. in a viral sample and 38 bacterial bins (0.2-5.3 Mb each). The mixolimnion (3.0 m) had the most diverse archaeal, bacterial, and viral communities, followed by the monimolimnion (5.5 m) and chemocline (5.0 m). The bacterial and archaeal communities were dominated by Thiocapsa and Methanococcoides, respectively, whereas the viral community was dominated by Siphoviridae. The archaeal and bacterial assemblages and the associated energy metabolism were significantly related to the various depths, in accordance with the stratification of physicochemical parameters. Reconstructed elemental nutrient cycles of the three layers were interconnected, including co-occurrence of denitrification and nitrogen fixation in each layer and involved unique processes due to specific biogeochemical properties at the respective depths. According to the gene annotation, several pre-dominant yet unknown and uncultured bacteria also play potentially important roles in nutrient cycling. Reciprocal BLAST analysis revealed that the viruses were specific to the host archaea and bacteria in the mixolimnion. This study provides insights into the bacterial, archaeal, and viral assemblages and the corresponding capacity potentials in Lake Shunet, one of the three meromictic lakes in central Asia. Lake Shunet was determined to harbor specific and diverse viral, bacterial, and archaeal communities that intimately interacted, revealing patterns shaped by indigenous physicochemical parameters.
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15.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bashmakova E. E., Krasitskaya V. V., Bondar A. A., Eremina E. N., Slepov E. V., Zukov R. A., Frank L. A.
Заглавие : Bioluminescent SNP genotyping technique: Development and application for detection of melanocortin 1 receptor gene polymorphisms
Место публикации : Talanta: Elsevier B.V., 2018. - Vol. 189. - С. 111-115. - ISSN 00399140 (ISSN) , DOI 10.1016/j.talanta.2018.06.057
Ключевые слова (''Своб.индексиров.''): ca2+-regulated photoprotein obelin--genotyping--melanocortin 1 receptor gene--single nucleotide polymorphisms (snp)--bioluminescence--clinical research--curricula--diagnosis--genes--oncology--biomedical research--clinical characteristics--development and applications--genotyping--healthy individuals--photoproteins--receptor genes--single-nucleotide polymorphisms--dermatology
Аннотация: SNP genotyping based on the reaction of specific primer extension with the following bioluminescent detection of its products was shown to be potentially applicable for biomedical exploration. The paper describes its elaboration and first application in extensive biomedical research concerning MC1R gene variants’ frequency and associations with clinical characteristics in melanoma patients of Eastern Siberia (Krasnoyarsk region, Russia). Polymorphisms rs 1805007 (R151C), rs 1805008 (R160W), and rs 1805009 (D294H) were detected in 174 DNA samples from patients with histologically proved diagnosis of cutaneous melanoma and in 200 samples from healthy individuals. All the results on bioluminescent SNP genotyping were confirmed by Sanger sequencing. Some features characteristic of the population were found, i.e. melanoma is mostly associated with R160W or R151C while variant D294H is extremely rare; simultaneous carriage of any two investigated variants is also strongly associated with melanoma; R151C is associated with ulceration and consequently the disease course is more aggressive, etc. The design of the technique allows fast evaluation of any known diagnostically important SNP frequencies and associations across population. © 2018 Elsevier B.V.
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16.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Borovikova E. A., Malina J. I.
Заглавие : Phylogeography of Common Whitefish (Coregonus lavaretus L.) of Northwestern Russia
Колич.характеристики :11 с
Коллективы : Russian Science Foundation [16-14-10001]
Место публикации : Contemp. Probl. Ecol.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2018. - Vol. 11, Is. 3. - С. 286-296. - ISSN 1995-4255, DOI 10.1134/S1995425518030058. - ISSN 1995-4263(eISSN)
Примечания : Cited References:47. - We are grateful to V.S. Artamonova, S.N. Baldina, N.V. Bardukov, I.V. Vikhrev, N.V. Gordeeva, E.E. Ezhova, A.A. Makhrov, A.P. Novoselov, Yu.S. Reshetnikov, A.Yu. Rol'skii, S.G. Sokolov, O.P. Sterligov, A.N. Sharov, Yu.N. Sharova, V.A. Shirokov, I.L. Schurov, and V.V. Ignatenko and stuff members at the fishery monitoring station of the Vygskii hatchery, staff at the Vologda laboratory of the State Scientific Research Institute of Lake and River Fisheries branch and Pskov division of the State Scientific Research Institute of Lake and River Fisheries, and staff at the Forvat hatchery for assistance in sampling the materials for the study. We thank also A.A. Makhrov for discussing the materials, advice, and commenting on the manuscript. This study was financially supported by the Russian Science Foundation, project no. 16-14-10001.
Предметные рубрики: MITOCHONDRIAL-DNA VARIATION
NORTHERN EURASIA
CONTROL REGION
ROUND
Ключевые слова (''Своб.индексиров.''): whitefish coregonus lavaretus--genetic polymorphism--mitochondrial dna--phylogeography--periglacial refugium
Аннотация: This paper elucidates the features of colonization by whitefish (Coregonus lavaretus L.) of waterbodies of the European part of Russia in relation to Pleistocene glaciation. Based on the data on the frequencies and phylogenetic relationships of mitochondrial DNA haplotypes, a significant role of migrants from the western periglacial refugia is shown. The first large refugium was located at the North Atlantic; the second was at the South-Eastern Baltic. Until the last glaciation, with the maximum at about 20000 years ago, migrations from Siberia took place as well. However, at present the descendants of these migrants in the waterbodies of Northwestern Russia are not the dominants. The size of the refugium where the population lived prior to expansion may be an important condition for the successful spreading of common whitefish.
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17.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Sushchik N. N., Zuev I. V., Kalachova G. S., Ageev A. V., Gladyshev M. I.
Заглавие : Content of highly unsaturated fatty acids in fish from rivers of contrasting temperature
Колич.характеристики :10 с
Коллективы : Council on Grants from the President of the Russian Federation for Support of Leading Scientific Schools [NSh-9249.2016.5]; Russian Federal Tasks of Fundamental Research [51.1.1]; Federal Tasks of Ministry of Education and Science of the Russian Federation for Siberian Federal University [6.1504.2017/4.6]
Место публикации : River Res. Appl.: WILEY, 2018. - Vol. 34, Is. 6. - С. 565-574. - ISSN 1535-1459, DOI 10.1002/rra.3286. - ISSN 1535-1467(eISSN)
Примечания : Cited References:73. - Council on Grants from the President of the Russian Federation for Support of Leading Scientific Schools, Grant/Award Number: NSh-9249.2016.5; Russian Federal Tasks of Fundamental Research, Grant/Award Number: 51.1.1; Federal Tasks of Ministry of Education and Science of the Russian Federation for Siberian Federal University, Grant/Award Number: 6.1504.2017/4.6
Предметные рубрики: TROUT ONCORHYNCHUS-MYKISS
SALMON SALMO-SALAR
FRESH-WATER
LONG-CHAIN
Ключевые слова (''Своб.индексиров.''): benthivorous fish--climate warming--polyunsaturated fatty acids--river--water temperature
Аннотация: Contents of highly unsaturated long-chain fatty acids of omega-3 family (HUFA); eicosapentaenoic acid (EPA; 20:5n-3); and docosahexaenoic acid (DHA; 22:6n-3) are the principal indicators of the nutritive quality of fish for humans. Effects of environmental factors, first of all water temperature, on EPA and DHA contents in fish tissue are not currently completely understood. To reveal the putative effect of water temperature, fatty acid composition and contents were studied for 6 fish species, inhabiting the cold waters of the Yenisei River (Siberia, Russia) downstream of a dam (hypolimnetic release from reservoir) and its adjacent warm water tributaries (the Mana River and the Kacha River). It was hypothesized that (a) fish species from the cold river would have higher HUFA contents than fish from the warm rivers and (b) temperature would be negatively correlated with HUFA content in fish species. Using gas chromatography-mass spectrometry, distinct species-specific fatty acid profiles were observed, whereas contents of the essential fatty acids, EPA and DHA, in fish species from the cold Yenisei River were in general similar to that from warm tributaries. Thus, in contrast to the first hypothesis, phylogenetic factors overweighed the effect of water temperature and food (benthic invertebrate) composition, on fatty acid composition and HUFA content in fish. For the second hypothesis, for the 2 species inhabiting both cold and warm rivers, only one had higher EPA and DHA content at lower temperatures. Consequently, the response of EPA and DHA content in fish tissue to temperature variations may be species-specific.
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18.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Soukhovolsky V., Ivanova Y.
Заглавие : Modeling production processes in forest stands: An adaptation of the Solow growth model
Место публикации : Forests: MDPI AG, 2018. - Vol. 9, Is. 7. - ISSN 19994907 (ISSN) , DOI 10.3390/f9070391
Ключевые слова (''Своб.индексиров.''): components of phytomass--forest stands--modeling of growth processes--net primary production (npp)--economics--needles--energy productions--forest stand--growth process--independent model--model of economics--net primary production--phytomass--production process--forestry--hexapoda
Аннотация: The model of forest stand growth proposed in this study is based on R. Solow's model of economic growth. The variables introduced into the model are the "capital" (the phytomass of the non-synthesizing tree components in the stand-the stem, roots, and branches) and the "labor" (the phytomass of the photosynthesizing tree components in the stand-leaves or needles). Root phytomass is calculated with a special independent model. The process of energy production by the trees is described with the Cobb-Douglas equation. The proposed approach is used to describe growth processes in the forest stands comprising various species in Siberia and the age dynamics of net primary production. The model can explain a number of effects (such as death of the forest stand after the needles have been consumed by defoliating insects) that cannot be explained by standard logistic models. © 2018 by the authors.
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19.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Kukoba N., Ivanova Y., Botvich I.
Заглавие : The influence of altitudinal zonality on spectral characteristics (MODIS/Terra) mountain forests of Western Sayan
Место публикации : Climate Change Impacts on High-Altitude Ecosystems . - 2015. - С. 637-643. - ISBN 9783319128597 (ISBN); 9783319128580 (ISBN), DOI 10.1007/978-3-319-12859-7_26
Ключевые слова (''Своб.индексиров.''): mountain forests of siberia--net primary production (npp)--vegetation indices
Аннотация: The purpose of this study is to find a relationship between changes in spectral characteristics (MODIS/Terra) of mountain forests and the altitude at which they grow. In the study area, which is located in the West Sayan Mountains (in South Siberia), the types of forest ecosystems change markedly with altitude. The study uses the data of the MODIS-NPP model intended for the evaluation of global net production. Results of the study show that the best approach to dividing mountain forests into different types is to use 8-day composites of satellite data collected at the beginning of the growing season (April-May). This is the time when the most significant differences are recorded between vegetation indices, including Normalized Difference Vegetation Index (NDVI), LAI, and EVI of the mountain forests growing in different altitudinal zones. © Springer International Publishing Switzerland 2015.
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20.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zotina T. A., Trofimova E. A., Medvedeva M. Y., Dementyev D. V., Bolsunovsky A. Y.
Заглавие : Use of the aquatic plant Elodea canadensis to assess toxicity and genotoxicity of Yenisei River sediments
Место публикации : Environ. Toxicol. Chem. - 2015. - Vol. 34, Is. 10. - С. 2310-2321. - ISSN 07307268 (ISSN) , DOI 10.1002/etc.3057
Ключевые слова (''Своб.индексиров.''): aquatic plants--biomarkers--genotoxicity--sediment quality--sediment toxicity--biomarkers--chromosomes--cytotoxicity--pollution--pollution control--radioactive waste disposal--radioactivity--river pollution--sediments--toxicity--aquatic plants--genotoxicities--laboratory bioassay--radioactive contamination--radioactive pollution--sediment quality--sediment toxicity--toxicity endpoints--rivers--article--bioassay--controlled study--cytotoxicity--elodea canadensis--environmental exposure--genotoxicity--indicator organism--lake sediment--mitosis index--nonhuman--plant growth--plant root--priority journal--radioactive pollution--river--root length--russian federation--sensitivity analysis--shoot--toxicity testing--elodea--elodea canadensis
Аннотация: The toxicity, cytotoxicity, and genotoxicity of bulk sediments from the Yenisei River (Siberia, Russia) were estimated in laboratory bioassays based on several endpoints in the aquatic plant Elodea canadensis. The bottom sediment samples were collected in the Yenisei River upstream and downstream of the sources of chemical and radioactive contamination. The testing revealed different sensitivities of Elodea endpoints to the quality of the bottom sediment: weight of shootslength of shootsmitotic indexlength of rootspercentage of abnormal cells. The response of the genotoxicity endpoint (percentage of cells with chromosome abnormalities in roots of Elodea) was the highest in sediments with chemical pollution, whereas the highest inhibition of toxicity endpoints (shoot and root length) occurred in sediments with the highest level of radioactive pollution. The extreme response of Elodea endpoints to the quality of certain sediment samples may be regarded as related to the possible presence of unknown toxicants. The results show that E. canadensis can be used as an indicator species in laboratory contact testing of bottom sediment. The responses of shoot and root length growth endpoints of Elodea can be recommended as basic sensitivity indicators of bottom sediment toxicity. Analysis of cells carrying abnormal chromosomes in the apical root meristem of Elodea can be performed optionally in the same test to assess the genotoxicity of sediments. © 2015 SETAC.
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