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The Role of Acidosis in the Pathogenesis of Severe Forms of COVID-19 / Y. D. Nechipurenko, D. A. Semyonov, I. A. Lavrinenko [et al.] // Biology-Basel. - 2021. - Vol. 10, Is. 9. - Ст. 852, DOI 10.3390/biology10090852. - Cited References:86. - This research was funded by the Presidium of the Russian Academy of Sciences for Molecular and Cellular Biology and the Program of Fundamental Research for State Academies for years 2013-2020, project no. 01201363818. . - ISSN 2079-7737

РУБ Biology
Рубрики:
RESPIRATORY-ACIDOSIS
   LACTATE
   COAGULATION
   GLYCOLYSIS
   SECRETION
Кл.слова (ненормированные):
SARS-CoV-2 -- COVID-19 -- acidosis -- hypoxia -- saturation -- Bohr effect -- lactate -- pH
Аннотация: Simple Summary Recently, several studies have shown that acidosis, which is increased acidity in the blood and other body tissues, is often associated with severe COVID-19. In this article, we look at the mechanisms and consequences of acidosis that can lead to an exacerbation of COVID-19. We want to draw the attention of readers to the threshold values of such disease characteristics as hypoxia and acidosis, which are associated with a sharp deterioration in the patient's condition. Hypoxia and acidosis mutually reinforce each other according to the principle of a vicious cycle (that is, they are involved in a system of positive feedbacks). Elevated blood lactate (lactic acid) levels are associated with poor clinical outcomes in COVID patients. As a practical recommendation, we propose to pay more attention to the prevention of acidosis, including in the early stages of the disease, when the adjustment of homeostasis requires less effort and is less risky. COVID-19 has specific characteristics that distinguish this disease from many other infections. We suggest that the pathogenesis of severe forms of COVID-19 can be associated with acidosis. This review article discusses several mechanisms potentially linking the damaging effects of COVID-19 with acidosis and shows the existence of a vicious cycle between the development of hypoxia and acidosis in COVID-19 patients. At the early stages of the disease, inflammation, difficulty in gas exchange in the lungs and thrombosis collectively contribute to the onset of acidosis. In accordance with the Verigo-Bohr effect, a decrease in blood pH leads to a decrease in oxygen saturation, which contributes to the exacerbation of acidosis and results in a deterioration of the patient's condition. A decrease in pH can also cause conformational changes in the S-protein of the virus and thus lead to a decrease in the affinity and avidity of protective antibodies. Hypoxia and acidosis lead to dysregulation of the immune system and multidirectional pro- and anti-inflammatory reactions, resulting in the development of a "cytokine storm". In this review, we highlight the potential importance of supporting normal blood pH as an approach to COVID-19 therapy.

WOS
Держатели документа:
Russian Acad Sci, Engelhardt Inst Mol Biol, Lab DNA Prot Recognit, Moscow 119991, Russia.
Voyno Yasenetsky Krasnoyarsk State Med Univ, Inst Mol Med & Pathobiochem, Krasnoyarsk 660022, Russia.
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia.
Voronezh State Univ, Fac Med & Biol, Dept Human & Anim Physiol, Voronezh 394018, Russia.
Moscow Inst Phys & Technol, Dept Biol & Med Phys, Dolgoprudnyi 141701, Russia.
Lomonosov Moscow State Univ, Fac Phys, Dept Biophys, Moscow 119991, Russia.
Russian Acad Sci, Lab Med Analyt Methods & Devices, Inst Analyt Instrumentat, St Petersburg 198095, Russia.
Sendai Viralyt LLC, Acton, MA USA.
Russian Acad Sci, Engelhardt Inst Mol Biol, Lab Cellular Bases Dev Malignant Dis, Moscow 119991, Russia.

Доп.точки доступа:
Nechipurenko, Yury D.; Semyonov, Denis A.; Lavrinenko, Igor A.; Lagutkin, Denis A.; Generalov, Evgenii A.; Zaitceva, Anna Y.; Matveeva, Olga, V; Yegorov, Yegor E.; Lagutkin, Denis; Presidium of the Russian Academy of Sciences for Molecular and Cellular Biology; Program of Fundamental Research for State Academies for years 2013-2020 [01201363818]

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Assessing the reliability of quantitative fatty acid signature analysis and compound-specific isotope analysis-based mixing models for trophic studies / I. Prokopkin, O. Makhutova, E. Kravchuk [et al.] // Biomolecules. - 2021. - Vol. 11, Is. 11. - Ст. 1590, DOI 10.3390/biom11111590 . - ISSN 2218-273X
Кл.слова (ненормированные):
CSIA?based mixing model -- Daphnia -- Fatty acids -- Food -- IsoError -- QFASA -- fatty acid -- algal cell culture -- animal experiment -- Article -- Chlorella -- compound specific isotope analysis -- controlled study -- Cryptomonas -- Daphnia -- fatty acid analysis -- gas chromatography -- isotope analysis -- lipid composition -- mathematical model -- nonhuman -- quantitative fatty acid signature analysis -- reliability -- zooplankton
Аннотация: The study of the trophic relationships of aquatic animals requires correct estimates of their diets. We compared the quantitative fatty acid signature analysis (QFASA) and the isotope?mixing model IsoError, based on the compound?specific isotope analysis of fatty acids (CSIA?FA), which are potentially effective models for quantitative diet estimations. In a 21?day experiment, Daphnia was fed a mixture of two food items, Chlorella and Cryptomonas, which were supplied in nearly equal proportions. The percentages and isotope values of the FAs of the algal species and Daphnia were measured. The IsoError based on CSIA?FA gave an estimation of algae consumption using only one FA, 18:3n?3. According to this model, the proportion of consumption of Chlorella decreased while the proportion of consumption of Cryptomonas increased during the experiment. The QFASA model was used for two FA subsets—the extended?dietary subset, which included sixteen FAs, and the dietary one, which included nine FAs. According to both subsets, the portion of consumed Chlorella decreased from Day 5 to 10 and then increased at Day 21. The comparison of the two model approaches showed that the QFASA model is a more reliable method to determine the contribution of different food sources to the diet of zooplankton than the CSIA?based mixing model. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.

Scopus
Держатели документа:
Institute of Biophysics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Prokopkin, I.; Makhutova, O.; Kravchuk, E.; Sushchik, N.; Anishchenko, O.; Gladyshev, M.

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Single-cell genomics-based analysis reveals a vital ecological role of thiocapsa sp. LSW in the meromictic Lake Shunet, Siberia / Y.-T. Wu, P.-W. Chiang, K. Tandon [et al.] // Microb. Genomics. - 2021. - Vol. 7, Is. 12. - Ст. 000712, DOI 10.1099/mgen.0.000712 . - ISSN 2057-5858
Кл.слова (ненормированные):
Flow cytometry -- Lake Shunet -- Purple sulfur bacteria -- Single-cell genomics -- genomic DNA -- RNA 16S -- Article -- bioinformatics -- carbon metabolism -- Enterobacter -- fluorescence activated cell sorting -- gene amplification -- gene ontology -- high throughput sequencing -- metagenomics -- microbial community -- microbial diversity -- molecular genetics -- nitrogen metabolism -- nonhuman -- nucleotide sequence -- phylogenetic tree -- phylogeny -- polymerase chain reaction -- Sanger sequencing -- Thiocapsa
Аннотация: Meromictic lakes usually harbour certain prevailing anoxygenic phototrophic bacteria in their anoxic zone, such as the purple sulfur bacterium (PSB) Thiocapsa sp. LSW (hereafter LSW) in Lake Shunet, Siberia. PSBs have been suggested to play a vital role in carbon, nitrogen and sulfur cycling at the oxic–anoxic interface of stratified lakes; however, the ecological significance of PSBs in the lake remains poorly understood. In this study, we explored the potential ecological role of LSW using a deep-sequencing analysis of single-cell genomics associated with flow cytometry. An approximately 2.7 Mb draft genome was obtained based on the co-assembly of five single-cell genomes. LSW might grow photolithoautotrophically and could play putative roles not only as a carbon fixer and diazotroph, but also as a sulfate reducer/oxidizer in the lake. This study provides insights into the potential ecological role of Thiocapsa sp. in meromictic lakes. © 2021 The Authors.

Scopus
Держатели документа:
Department of Forestry, National Pingtung University of Science and Technology, Pingtung, 91201, Taiwan
Biodiversity Research Center, Academia Sinica, Taipei, 115, Taiwan
Institute of Biophysics, Siberian Division of the Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Wu, Y. -T.; Chiang, P. -W.; Tandon, K.; Rogozin, D. Y.; Degermendzhy, A. G.; Tang, S. -L.

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The role of acidosis in the pathogenesis of severe forms of COVID-19 / Y. D. Nechipurenko, D. A. Semyonov, I. A. Lavrinenko [et al.] // Biology. - 2021. - Vol. 10, Is. 9. - Ст. 852, DOI 10.3390/biology10090852 . - ISSN 2079-7737
Кл.слова (ненормированные):
Acidosis -- Bohr effect -- COVID-19 -- Hypoxia -- Lactate -- PH -- SARS-CoV-2 -- Saturation
Аннотация: COVID-19 has specific characteristics that distinguish this disease from many other infec-tions. We suggest that the pathogenesis of severe forms of COVID-19 can be associated with acidosis. This review article discusses several mechanisms potentially linking the damaging effects of COVID-19 with acidosis and shows the existence of a vicious cycle between the development of hypoxia and acidosis in COVID-19 patients. At the early stages of the disease, inflammation, difficulty in gas exchange in the lungs and thrombosis collectively contribute to the onset of acidosis. In accordance with the Verigo-Bohr effect, a decrease in blood pH leads to a decrease in oxygen saturation, which contributes to the exacerbation of acidosis and results in a deterioration of the patient’s condition. A decrease in pH can also cause conformational changes in the S-protein of the virus and thus lead to a decrease in the affinity and avidity of protective antibodies. Hypoxia and acidosis lead to dysregu-lation of the immune system and multidirectional pro-and anti-inflammatory reactions, resulting in the development of a “cytokine storm”. In this review, we highlight the potential importance of supporting normal blood pH as an approach to COVID-19 therapy. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.

Scopus
Держатели документа:
Laboratory DNA-Protein Recognition, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russian Federation
Institute of Molecular Medicine and Pathobiochemistry, Voyno-Yasenetsky Krasnoyarsk State Medical University, Krasnoyarsk, 660022, Russian Federation
Institute of Biophysics Siberian Branch of Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Department of Human and Animal Physiology, Faculty of Medicine and Biology, Voronezh State University, Voronezh, 394018, Russian Federation
Department of Biological and Medical Physics, Moscow Institute of Physics and Technology, Moscow Region, Dolgoprudny, 141701, Russian Federation
Department of Biophysics, Faculty of Physics, Lomonosov Moscow State University, Moscow, 119991, Russian Federation
Laboratory of Medical Analytical Methods and Devices, Institute for Analytical Instrumentation of the Russian Academy of Sciences, St. Petersburg, 198095, Russian Federation
Sendai Viralytics LLC, Acton, MA 117261, United States
Laboratory of Cellular Bases for the Development of Malignant Diseases, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russian Federation

Доп.точки доступа:
Nechipurenko, Y. D.; Semyonov, D. A.; Lavrinenko, I. A.; Lagutkin, D. A.; Generalov, E. A.; Zaitceva, A. Y.; Matveeva, O. V.; Yegorov, Y. E.

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Metabolic activity of cryogenic soils in the subarctic zone of Siberia towards “green” bioplastics / S. V. Prudnikova, S. Y. Evgrafova, T. G. Volova // Chemosphere. - 2021. - Vol. 263. - Ст. 128180, DOI 10.1016/j.chemosphere.2020.128180 . - ISSN 0045-6535
Кл.слова (ненормированные):
metabolic activity -- P(3HB) bioplastic -- P(3HB) properties -- P(3HB)-degrading strains -- Siberian cryogenic soils -- structure of microbial community -- Aspergillus -- Bacteriology -- Biodegradable polymers -- Biodegradation -- Cryogenics -- Crystallinity -- Metabolism -- Polymer films -- Reinforced plastics -- RNA -- Soils -- Aspergillus fumigatus -- Degree of crystallinity -- Microbial communities -- Nucleotide sequences -- Poly-3-hydroxybutyrate -- Polymer biodegradation -- Soil microbial community -- Surface microstructures -- Bacteria -- bacterial RNA -- fungal RNA -- mineral -- plastic -- poly(3 hydroxybutyric acid) -- polymer -- ribosome RNA -- RNA 16S -- RNA 18S -- RNA 28S -- RNA 5.8S -- abundance -- bacterium -- biodegradation -- biomass -- community structure -- concentration (composition) -- crystallinity -- fungus -- microbial community -- microstructure -- plastic -- polymer -- soil temperature -- subarctic region -- Actinobacteria -- Agrobacterium tumefaciens -- Antarctica -- Arctic -- Article -- Aspergillus fumigatus -- Aspergillus niger -- Bacilli -- Bacillus cereus -- Bacillus pumilus -- bacterial gene -- bacterium isolate -- biodegradability -- biodegradation -- biomass -- Chryseobacterium ioostei -- colony forming unit -- community structure -- concentration (parameter) -- cryogenic soil -- crystallization -- Cupriavidus necator -- ecosystem -- Escherichia coli -- Flavobacteria -- Flavobacterium -- fungal community -- fungal gene -- Fusarium fujikuroi -- Gammaproteobacteria -- green chemistry -- Lactobacterium helveticus -- metabolism -- microbial biomass -- microbial community -- molecular weight -- Mortierella alpina -- Mycobacterium -- Mycobacterium pseudoshotsii -- Nocardioides -- nucleotide sequence -- nucleotide sequence -- Paenibacillus -- Paraburkholderia -- Penicillium -- Penicillium arenicola -- Penicillium glabrum -- Penicillium lanosum -- Penicillium restrictum -- Penicillium spinulosum -- Penicillium thomii -- phylogeny -- Pseudomonas -- Rhizopus oryzae -- Rhodococcus -- RNA sequence -- Russian Federation -- soil -- soil microflora -- soil temperature -- species composition -- Stenotrophomonas -- Streptomyces -- Streptomyces prunicolor -- surface property -- temperature dependence -- thawing -- Variovorax paradoxus -- zpseudomonas lutea -- Siberia -- Aspergillus fumigatus -- Bacillus pumilus -- Bacteria (microorganisms) -- Fungi -- Penicillium thomii -- Pseudomonas sp. -- Rhodococcus sp. -- Stenotrophomonas rhizophila -- Streptomyces prunicolor -- Variovorax paradoxus
Аннотация: The present study investigates, for the first time, the structure of the microbial community of cryogenic soils in the subarctic region of Siberia and the ability of the soil microbial community to metabolize degradable microbial bioplastic – poly-3-hydroxybutyrate [P(3HB)]. When the soil thawed, with the soil temperature between 5-7 and 9–11 °C, the total biomass of microorganisms at a 10-20-cm depth was 226–234 mg g?1 soil and CO2 production was 20–46 mg g?1 day?1. The total abundance of microscopic fungi varied between (7.4 ± 2.3) ? 103 and (18.3 ± 2.2) ? 103 CFU/g soil depending on temperature; the abundance of bacteria was several orders of magnitude greater: (1.6 ± 0.1) ? 106 CFU g?1 soil. The microbial community in the biofilm formed on the surface of P(3HB) films differed from the background soil in concentrations and composition of microorganisms. The activity of microorganisms caused changes in the surface microstructure of polymer films, a decrease in molecular weight, and an increase in the degree of crystallinity of P(3HB), indicating polymer biodegradation due to metabolic activity of microorganisms. The clear-zone technique – plating of isolates on the mineral agar with polymer as sole carbon source – was used to identify P(3HB)-degrading microorganisms inhabiting cryogenic soil in Evenkia. Analysis of nucleotide sequences of rRNA genes was performed to identify the following P(3HB)-degrading species: Bacillus pumilus, Paraburkholderia sp., Pseudomonas sp., Rhodococcus sp., Stenotrophomonas rhizophila, Streptomyces prunicolor, and Variovorax paradoxus bacteria and the Penicillium thomii, P. arenicola, P. lanosum, Aspergillus fumigatus, and A. niger fungi. © 2020 Elsevier Ltd

Scopus
Держатели документа:
Siberian Federal University, 79 Svobodny Pr, Krasnoyarsk, 660041, Russian Federation
V.N. Sukachev Institute of Forest, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/28 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Institute of Biophysics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Melnikov Permafrost Institute, SB RAS, 36 Merzlotnaya St., Yakutsk, 677010, Russian Federation

Доп.точки доступа:
Prudnikova, S. V.; Evgrafova, S. Y.; Volova, T. G.

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Properties of degradable polyhydroxyalkanoates with different monomer compositions / T. Volova, E. Kiselev, I. Nemtsev [et al.] // Int. J. Biol. Macromol. - 2021. - Vol. 182. - P98-114, DOI 10.1016/j.ijbiomac.2021.04.008 . - ISSN 0141-8130
Кл.слова (ненормированные):
Chemical composition -- Films -- Microstructure -- Physicochemical properties -- Polyhydroxyalkanoates -- Surface properties -- 3 hydroxybutyric acid -- 3 hydroxyhexanoate -- 3 hydroxyvalerate -- 4 hydroxybutyric acid -- monomer -- poly(3 hydroxybutyric acid) -- polyhydroxyalkanoic acid -- polymer -- unclassified drug -- Article -- chemical composition -- comparative study -- crystallization -- degradation -- dispersity -- elasticity -- glass transition temperature -- hydrophilicity -- melting point -- molecular weight -- surface property -- synthesis -- thermoregulation -- thermostability
Аннотация: Purpose: To synthesize and investigate polyhydroxyalkanoates (PHAs) with different monomer composition and percentages and polymer films prepared from them. Results: Various PHAs: homopolymer poly-3-hydroxybutyrate P(3HB) and 2-, 3-, and 4-component copolymers comprising various combinations of 3-hydroxybutyrate (3HB), 3-hydroxyvalerate (3HV), 4-hydroxybutyrate (4HB), and 3-hydroxyhexanoate (3HHx) monomers were synthesized under specialized conditions. Relationships were found between the monomer composition of PHAs and their molecular-weight and thermal properties and degree of crystallinity. All copolymers had decreased weight average molecular weights, Mw (to 390–600 kDa), and increased values of polydispersity (3.2–4.6) compared to the P(3HB). PHA copolymers showed different thermal behavior: an insignificant decrease in Tmelt and the presence of the second peak in the melting region and changes in parameters of crystallization and glass transition. At the same time, they retained thermostability, and the difference between Tmelt and Tdegr was at least 100–120 °C. Incorporation of 4HB, 3HV, and 3HHx monomer units into the 3-hydroxybutyrate chain caused changes in the amorphous to crystalline ratio and decreased the degree of crystallinity (Cx) to 20–40%. According to the degree to which the monomers reduced crystallinity, they were ranked as follows: 4HB – 3HHx – 3HV. A unique set of films was produced; their surface properties and physical/mechanical properties were studied as dependent on PHA composition; monomers other than 3-hydroxybutyrate were found to enhance hydrophilicity, surface development, and elasticity of polymer films. Conclusion: An innovative set of PHA copolymers was synthesized and solution-cast films were prepared from them; the copolymers and films were investigated as dependent on polymer chemical composition. Results obtained in the present study contribute to the solution of a critical issue of producing degradable polymer materials. © 2021 Elsevier B.V.

Scopus
Держатели документа:
Siberian Federal University, 79 Svobodnyi av., Krasnoyarsk, 660041, Russian Federation
Institute of Biophysics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
L.V. Kirensky Institute of Physics, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/12 Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Volova, T.; Kiselev, E.; Nemtsev, I.; Lukyanenko, А.; Sukovatyi, A.; Kuzmin, A.; Ryltseva, G.; Shishatskaya, E.

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Oil Spills in Fresh Waters and State of Ecosystem of Lake Pyasino before the Incidental Spill of 2020 / M. I. Gladyshev // Contemp. Probl. Ecol. - 2021. - Vol. 14, Is. 4. - P313-322, DOI 10.1134/S1995425521040041. - Cited References:50. - This work was supported by Federal Tasks no. 223-EP2020/07 with the Siberian Branch of the Russian Academy of Sciences and by State Assignment as a part of Basic Research of the Russian Federation, topic no. 51.1.1. . - ISSN 1995-4255. - ISSN 1995-4263

РУБ Ecology
Рубрики:
POLYUNSATURATED FATTY-ACIDS
   PECHORA BASIN
   RIVER
   ZOOPLANKTON
Кл.слова (ненормированные):
petroleum pollution -- plankton -- benthos -- ichthyofauna -- water quality -- Arctic lakes
Аннотация: This article presents the history of large oil spills in freshwaters, considering the processes of physicochemical and biological degradation of oil. It discusses the toxicity of oil for hydrobionts and effects of oil pollution on communities of plankton, benthos, and ichthyofauna, as well as challenges in mitigating the environmental impact of oil spills. The discussion is concerned with the state of the ecosystem in Lake Pyasino before the incidental spill of 2020, specifically, hydrochemical indicators; species composition; and abundance and biomass of plankton, benthos, and fish. Candidate technologies for restoring the Lake Pyasino ecosystem are reviewed, including "bottom-up" biomanipulation.

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

Доп.точки доступа:
Gladyshev, M. I.; Siberian Branch of the Russian Academy of SciencesRussian Academy of Sciences [223-EP2020/07]; Basic Research of the Russian Federation [51.1.1]

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The effect of supplementation of the soil-like substrate with wheat straw mineralized to different degrees on wheat productivity in closed ecosystems / V. V. Velichko, A. A. Tikhomirov, S. A. Ushakova [et al.] // Life Sci. Space Res. - 2020. - Vol. 26. - P132-139, DOI 10.1016/j.lssr.2020.06.001 . - ISSN 2214-5524
Кл.слова (ненормированные):
Biological-technical human life support system -- Physicochemical mineralization of straw -- Soil-like substrate -- Wheat (Triticum aestivum L) -- hydrogen peroxide -- alternating current -- aqueous solution -- Article -- controlled study -- electric current -- evapotranspiration -- grain yield -- growing season -- harvest index -- irrigation (agriculture) -- macronutrient -- microclimate -- mineralization -- nitrogen concentration -- nutrient availability -- nutrient solution -- oxidation -- physical chemistry -- plant development -- plant growth -- priority journal -- sediment -- shoot -- soil like substrate -- soil treatment -- spikelet -- supernatant -- Triticum aestivum
Аннотация: Successful incorporation of soil-like substrate (SLS) into biotechnical life support systems is often complicated by the necessity to maintain the balance between flows of mineral elements taken up from the substrate by growing plants and mineral elements added to the SLS as components of mineralized plant inedible biomass. An imbalance between these two flows can be caused by the addition of recalcitrant plant waste such as wheat straw. The purpose of this study was to determine whether the availability of essential nutrients to be taken up by the roots of the wheat plants grown on the SLS could be enhanced by supplementing the SLS with the products derived from wheat straw subjected to different levels of physicochemical mineralization in the aqueous solution of hydrogen peroxide. Different degrees of straw mineralization were achieved by using different ratios of the aqueous solution of hydrogen peroxide to straw. The study showed that supplementation of the SLS with insufficiently oxidized products of physicochemical mineralization of straw resulted in a decrease in the grain yields. The inhibitory effect of the straw subjected to physicochemical oxidation increased with a decrease in the degree to which the straw had been oxidized. Only supplementation with the straw mineralized to the highest possible degree did not inhibit plant growth and development, and the crop yield in that treatment was higher than in the other treatments. © 2020

Scopus
Держатели документа:
Institute of Biophysics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation

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

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Author Correction: Plants with genetically encoded autoluminescence (Nature Biotechnology, (2020), 10.1038/s41587-020-0500-9) / T. Mitiouchkina, A. S. Mishin, L. G. Somermeyer [et al.] // Nat. Biotechnol. - 2020, DOI 10.1038/s41587-020-0578-0 . - Article in press. - ISSN 1087-0156
Аннотация: In the version of this article initially published online, a sentence was missing from the Acknowledgements section: The authors would like to acknowledge the work of Genomics Core Facility of the Skolkovo Institute of Science and Technology, which performed the sequencing and bioinformatic analysis. The error has been corrected in the HTML and PDF versions of the article. © 2020, The Author(s), under exclusive licence to Springer Nature America, Inc.

Scopus
Держатели документа:
Planta LLC, Moscow, Russian Federation
Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation
Institute of Science and Technology Austria, Klosterneuburg, Austria
Pirogov Russian National Research Medical University, Moscow, Russian Federation
Institute of Biophysics, Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Aivok LLC, Zelenograd, Moscow, Russian Federation
Botanical Garden of Lomonosov Moscow State University, Moscow, Russian Federation
Synthetic Biology Group, MRC London Institute of Medical Sciences, London, United Kingdom
Institute of Clinical Sciences, Faculty of Medicine and Imperial College Centre for Synthetic Biology, Imperial College London, London, United Kingdom

Доп.точки доступа:
Mitiouchkina, T.; Mishin, A. S.; Somermeyer, L. G.; Markina, N. M.; Chepurnyh, T. V.; Guglya, E. B.; Karataeva, T. A.; Palkina, K. A.; Shakhova, E. S.; Fakhranurova, L. I.; Chekova, S. V.; Tsarkova, A. S.; Golubev, Y. V.; Negrebetsky, V. V.; Dolgushin, S. A.; Shalaev, P. V.; Shlykov, D.; Melnik, O. A.; Shipunova, V. O.; Deyev, S. M.; Bubyrev, A. I.; Pushin, A. S.; Choob, V. V.; Dolgov, S. V.; Kondrashov, F. A.; Yampolsky, I. V.; Sarkisyan, K. S.

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10.

The smallest isoform of Metridia longa luciferase as a fusion partner for hybrid proteins / M. D. Larionova, S. V. Markova, N. V. Tikunova, E. S. Vysotski // Int. J. Mol. Sci. - 2020. - Vol. 21, Is. 14. - Ст. 4971. - P1-16, DOI 10.3390/ijms21144971 . - ISSN 1661-6596
Кл.слова (ненормированные):
Bioluminescence -- Coelenterazine -- Copepod luciferase -- Immunoassay -- Single-chain antibody -- Tick-borne encephalitis virus -- fusion protein -- glycoprotein -- histidine -- messenger RNA -- Metridia longa luciferase -- recombinant protein -- single chain fragment variable antibody -- unclassified drug -- amino terminal sequence -- antibody affinity -- antigen binding -- Article -- binding assay -- binding site -- bioluminescence -- bioluminescence resonance energy transfer -- cross reaction -- dissociation constant -- enzyme activity -- Escherichia coli -- gene -- genetic engineering -- genetic transfection -- immunoassay -- limit of detection -- mluc7 gene -- molecular cloning -- nonhuman -- nucleotide sequence -- protein expression -- protein purification -- protein unfolding -- spectral sensitivity -- tick borne encephalitis -- Tick borne encephalitis virus
Аннотация: Bioluminescent proteins are widely used as reporter molecules in various in vitro and in vivo assays. The smallest isoform of Metridia luciferase (MLuc7) is a highly active, naturally secreted enzyme which, along with other luciferase isoforms, is responsible for the bright bioluminescence of marine copepod Metridia longa. In this study, we report the construction of two variants of a hybrid protein consisting of MLuc7 and 14D5a single-chain antibody to the surface glycoprotein E of tick-borne encephalitis virus as a model fusion partner. We demonstrate that, whereas fusion of a single-chain antibody to either N-or C-terminus of MLuc7 does not affect its bioluminescence properties, the binding site on the single-chain antibody influences its binding capacity. The affinity of 14D5a-MLuc7 hybrid protein (KD = 36.2 nM) where the C-terminus of the single-chain antibody was fused to the N-terminus of MLuc7, appeared to be 2.5-fold higher than that of the reverse, MLuc7-14D5a (KD = 87.6 nM). The detection limit of 14D5a-MLuc7 hybrid protein was estimated to be 45 pg of the recombinant glycoprotein E. Although the smallest isoform of M. longa luciferase was tested as a fusion partner only with a single-chain antibody, it is reasonable to suppose that MLuc7 can also be successfully used as a partner for genetic fusion with other proteins. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.

Scopus
Держатели документа:
Photobiology Laboratory, Institute of Biophysics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, Krasnoyarsk, 660036, Russian Federation
School of Fundamental Biology and Biotechnology, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Institute of Chemical Biology and Fundamental Medicine, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russian Federation

Доп.точки доступа:
Larionova, M. D.; Markova, S. V.; Tikunova, N. V.; Vysotski, E. S.

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11.

Study of the immunogenicity of the VP2 protein of canine parvovirus produced using an improved Baculovirus expression system / D. Chang, Y. Liu, Y. Chen [et al.] // BMC Vet. Res. - 2020. - Vol. 16, Is. 1. - Ст. 202, DOI 10.1186/s12917-020-02422-3 . - ISSN 1746-6148
Кл.слова (ненормированные):
Baculovirus expression system -- Canine parvovirus -- VP2 protein -- canine parvovirus vaccine -- protein VP2 -- recombinant protein -- unclassified drug -- virus antibody -- virus vaccine -- affinity chromatography -- animal experiment -- antibody titer -- Article -- baculovirus expression system -- Canine parvovirus -- controlled study -- DNA transposition -- enzyme linked immunosorbent assay -- female -- fluorescence microscopy -- gene expression level -- hemagglutination inhibition -- hemagglutination inhibition test -- immunogenicity -- mouse -- nonhuman -- parvovirus infection -- protein expression -- Sf9 cell line -- vaccination -- Western blotting
Аннотация: Background: Canine parvovirus (CPV) is now recognized as a serious threat to the dog breeding industry worldwide. Currently used CPV vaccines all have their specific drawbacks, prompting a search for alternative safe and effective vaccination strategies such as subunit vaccine. VP2 protein is the major antigen targeted for developing CPV subunit vaccine, however, its production in baculovirus expression system remains challenging due to the insufficient yield. Therefore, our study aims to increase the VP2 protein production by using an improved baculovirus expression system and to evaluate the immunogenicity of the purified VP2 protein in mice. Results: The results showed that high-level expression of the full length VP2 protein was achieved using our modified baculovirus expression system. The recombinant virus carrying two copies of VP2 gene showed the highest expression level, with a productivity of 186 mg/L, which is about 1.4-1.6 fold that of the recombinant viruses carrying only one copy. The purified protein reacted with Mouse anti-His tag monoclonal antibody and Rabbit anti-VP2 polyclonal antibody. BALB/c mice were intramuscularly immunized with purified VP2 protein twice at 2 week intervals. After vaccination, VP2 protein could induce the mice produce high level of hemagglutination inhibition antibodies. Conclusions: Full length CPV VP2 protein was expressed at high level and purified efficiently. Moreover, it stimulated mice to produce high level of antibodies with hemmaglutination inhibition properties. The VP2 protein expressed in this study could be used as a putative economic and efficient subunit vaccine against CPV infection. © 2020 The Author(s).

Scopus
Держатели документа:
Henan Provincal Engineering and Technology Center of Health Products for Livestock and Poultry, Key Laboratory of Ecological Security, Collab. Innov. Ctr. of Water Secty. for Water Src. Reg. of Mid-line of S.-to-N. Diversion Proj. of Henan Prov., School of Agricultural Engineering, Nanyang Normal University, Nanyang, 473061, China
Institute of Biophysics, Siberian Branch, Russian Academy of Science, Federal Research Center Krasnoyarsk Science Center SB RAS, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Chang, D.; Liu, Y.; Chen, Y.; Hu, X.; Burov, A.; Puzyr, A.; Bondar, V.; Yao, L.

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12.

Conceptual approach to selecting radiation spectrum of lamps for plant cultivation in artificial conditions / A. A. Tikhomirov, S. A. Ushakova, V. N. Shikhov, E. S. Shklavtsova // Light Eng. - 2019. - Vol. 27, Is. Special Issue. - P24-39 . - ISSN 0236-2945
Кл.слова (ненормированные):
Greenhouses -- Light-emitting diodes -- Photobiological efficiency of radiation -- Plant cultivation lamps -- Plant light chromaticity -- Efficiency -- Greenhouses -- Light emitting diodes -- Metal halide lamps -- Metal halides -- Productivity -- Radiation -- Artificial light source -- Conceptual approaches -- Greenhouse conditions -- High pressure sodium lamps -- Plant light chromaticity -- Plant productivity -- Spectral efficiencies -- Visible radiations -- Plants (botany)
Аннотация: Based on own and literature data, the review of existing approaches to justification of concepts of selecting contemporary light sources for plant cultivation in greenhouse conditions is presented. The work covers comparative experimental data on productivity of lettuce leaves formed under radiation of light-emitting diode emitters with a phytospectrum and white light. A high-pressure sodium lamp was taken as a control source. Lack of valid differences between this data is found out. The article discusses data of literature where effect of heat radiation on plant productivity was discovered by means of light sources of different generations (metal halide lamps, xenon lamps), which is an additional factor apart from visible radiation spectrum which is capable of influencing photobiological efficiency of lamps. On the basis of data of literature, the role of background natural solar light in greenhouses which can negatively affect spectral efficiency of artificial light sources used for supplementary lighting of plants is discussed. A set of methodological factors influencing spectral efficiency of radiation for plant productivity as well as aspects of selection of lamps for cultivation of plants in greenhouse conditions for different latitudes are reviewed and scientifically validated. A controversy in selection of PAR chromaticity of light sources for plant cultivation is demonstrated. The concept of selecting 2 a light source for plant cultivation based on availability of specific response of plant groups to PAR chromaticity is proposed as the most objective for practical application. © 2019, LLC Editorial of Journal "Light Technik". All rights reserved.

Scopus
Держатели документа:
Biophysics Institute of the Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk Scientific Centre of the Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Tikhomirov, A. A.; Ushakova, S. A.; Shikhov, V. N.; Shklavtsova, E. S.

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13.

Estimation of the spatial distribution of spring barley yield using ground-based and satellite spectrophotometric data / A. P. Shevyrnogov [et al.] // IOP Conference Series: Earth and Environmental Science : Institute of Physics Publishing, 2019. - Vol. 315: International Scientific Conference on Agribusiness, Environmental Engineering and Biotechnologies, AGRITECH 2019 (20 June 2019 through 22 June 2019, ) Conference code: 152072, Is. 3. - Ст. 032023, DOI 10.1088/1755-1315/315/3/032023
Кл.слова (ненормированные):
Biotechnology -- Environmental technology -- Photomapping -- Seed -- Crop development -- Field experience -- Optical characteristics -- Precision agriculture technology -- Resource-saving technologies -- Spatial resolution -- Spring barley yields -- Vegetation index -- Spatial distribution
Аннотация: The article presents a method for estimating the spatial distribution of spring barley yield, based on the use of optical ground and satellite spectral data (PlanetScope data with a spatial resolution of 3 meters). This approach is highly relevant for the development of precision agriculture technologies. Yield mapping is carried out on the basis of data on the spatial distribution of the actual yield and the spatial distribution of the spectral optical characteristics. The method's characteristic feature is the use of the integral values of vegetation indices (NDVI, MSAVI2, ClGreen) at various stages of crop development. The method was tested on the basis of stationary field experience, where traditional agriculture (deep plowing) is compared with resource-saving technologies (subsurface and surface plowing, and direct seeding with zero tillage). © 2019 IOP Publishing Ltd. All rights reserved.

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Держатели документа:
Institute of Biophysics SB RAS, Federal Research Center, Krasnoyarsk Science Center, SB RAS, Krasnoyarsk, Akademgorodok, 660036, Russian Federation
Krasnoyarsk State Agrarian University, Krasnoyarsk, 660049, Russian Federation

Доп.точки доступа:
Shevyrnogov, A. P.; Yu Botvich, I.; Yemelianov, D. V.; Larko, A. A.; Ivchenko, V. K.; Demianenko, T. N.

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14.

CONCEPTUAL APPROACH TO SELECTING RADIATION SPECTRUM OF LAMPS FOR PLANT CULTIVATION IN ARTIFICIAL CONDITIONS / A. A. Tikhomirov, S. A. Ushakova, V. N. Shikhov, E. S. Shklavtsova // Light Eng. - 2019. - Vol. 27. - P24-30. - Cited References:17 . - ISSN 0236-2945

РУБ Engineering, Electrical & Electronic + Optics
Рубрики:
QUALITY
Кл.слова (ненормированные):
plant cultivation lamps -- light-emitting diodes -- plant light -- chromaticity -- greenhouses -- photobiological efficiency of radiation
Аннотация: Based on own and literature data, the review of existing approaches to justification of concepts of selecting contemporary light sources for plant cultivation in greenhouse conditions is presented. The work covers comparative experimental data on productivity of lettuce leaves formed under radiation of light-emitting diode emitters with a phytospectrum and white light. A high-pressure sodium lamp was taken as a control source. Lack of valid differences between this data is found out. The article discusses data of literature where effect of heat radiation on plant productivity was discovered by means of light sources of different generations (metal halide lamps, xenon lamps), which is an additional factor apart from visible radiation spectrum which is capable of influencing photobiological efficiency of lamps. On the basis of data of literature, the role of background natural solar light in greenhouses which can negatively affect spectral efficiency of artificial light sources used for supplementary lighting of plants is discussed. A set of methodological factors influencing spectral efficiency of radiation for plant productivity as well as aspects of selection of lamps for cultivation of plants in greenhouse conditions for different latitudes are reviewed and scientifically validated. A controversy in selection of PAR chromaticity of light sources for plant cultivation is demonstrated. The concept of selecting a light source for plant cultivation based on availability of specific response of plant groups to PAR chromaticity is proposed as the most objective for practical application.

WOS
Держатели документа:
Russian Acad ofSciences, Siberian Branch, Krasnoyarsk Sci Ctr, Biophys Inst, Krasnoyarsk, Russia.

Доп.точки доступа:
Tikhomirov, Alexander A.; Ushakova, Sofya A.; Shikhov, Valentin N.; Shklavtsova, Ekaterina S.

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15.

Role of Hsp90 and ATP in modulating apyrase activity and firefly luciferase kinetics / M. A. Kirillova [et al.] // Int. J. Biol. Macromol. - 2019. - Vol. 131. - P691-696, DOI 10.1016/j.ijbiomac.2019.03.110 . - ISSN 0141-8130
Кл.слова (ненормированные):
Bioluminescence -- Heat shock protein 90 -- High-throughput screening -- adenosine triphosphate -- apyrase -- bovine serum albumin -- firefly luciferase -- heat shock protein 90 -- stabilizing agent -- Article -- bioluminescence -- clinical study -- conformation -- controlled study -- denaturation -- enzyme activity -- enzyme kinetics -- high throughput screening -- incubation time -- nonhuman -- protein protein interaction -- protein refolding -- temperature -- thermal denaturation -- time
Аннотация: The present manuscript describes a novel bioassay consisting of apyrase and heat shock protein 90 (Hsp90) without additional co-chaperone supplementation; intended for high-throughput screening of anti-cancer drugs and prognosis of stress. In this regard, Hsp90 and adenosine 5?-triphosphate (ATP) mediated firefly luciferase (FLuc) kinetics was investigated using apyrase and FLuc as client proteins. Bioluminescent assay containing Hsp90, ATP, and apyrase led to complete loss of luminescence at 50 °C which indicates the protective role of Hsp90 against thermal denaturation. Similarly, the assay sample comprising Hsp90, ATP, and FLuc showed 2 fold increments in luminescence than their counterparts. Introduction of bovine serum albumin (BSA) to the pre-incubated assay mixture led to an initial rise in the luminescence (28%) in comparison to the sample containing Hsp90, ATP and FLuc. Therefore, FLuc based HTS assays are not suitable for clinical samples which may contain stabilizing agents. However, thermally denatured FLuc and apyrase could not regain their active conformation even when Hsp90 and ATP were introduced in the assay system. This observation justifies the role of Hsp90 to be protective rather than a reparation agent when acts without co-chaperones. © 2019

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Держатели документа:
Laboratory of Bioluminescent Biotechnologies, Department of Biophysics, Institute of Fundamental Biology and Biotechnology, Siberian Federal University, 79 Svobodny Prospect, Krasnoyarsk, 660041, Russian Federation
Institute of Biophysics SB RAS, Federal Research Center ‘Krasnoyarsk Science Center SB RAS’, Akademgorodok 50/50, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Kirillova, M. A.; Ranjan, R.; Esimbekova, E. N.; Kratasyuk, V. A.

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16.

Processing of household waste in the BTLSS using the wet combustion method / S. V. Trifonov, Y. A. Morozov, T. A. Kozlova // Life Sci. Space Res. - 2019. - Vol. 21. - P22-24, DOI 10.1016/j.lssr.2019.02.003 . - ISSN 2214-5524
Кл.слова (ненормированные):
Cellulose -- Hydrogen peroxide -- Organic waste -- Physicochemical processing of organic waste -- Urea -- cellulose -- hydrogen peroxide -- urea -- alternating current -- Article -- chemical procedures -- desalination -- dissolution -- domestic waste -- electric field -- household -- microclimate -- oxidation -- physical chemistry -- priority journal -- urine -- waste management -- wet combustion method
Аннотация: The present study discusses physicochemical methods of organic waste processing in closed biotechnical life support systems (BTLSS). Sanitary and household cotton wastes were processed by the method of wet combustion in hydrogen peroxide using an alternating current electric field – a promising physicochemical method for organic waste processing in the BTLSS. The highest efficiency of the process (in terms of power consumption, duration of the process, and oxidation rate) was achieved in experiments with oxidation of a combination of cotton fabrics and urea-containing wastes such as human urine and feces. The reason for this must be that urea is a reactive aqueous solvent of cellulose. © 2019

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Держатели документа:
Institute of Biophysics, Siberian Branch of Russian Academy of Sciences, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Trifonov, S. V.; Morozov, Y. A.; Kozlova, T. A.

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17.

Seasonal Dynamics of Vegetation on Fallow Lands in Krasnoyarsk Forest Steppe According to Terrain and Satellite Data / A. P. Shevyrnogov, T. I. Pisman, N. A. Kononova [et al.] // Izv. Atmos. Ocean. Phys. - 2019. - Vol. 55, Is. 9. - P1353-1361, DOI 10.1134/S0001433819090470. - Cited References:29. - This study was performed according to the Complex Program of Fundamental Research of the Siberian Branch of the Russian Academy of Sciences Interdisciplinary Integration Researches for 2018-2020 (project no. 74) and State Task registration no. AAAA-A17-117013050027-1. . - ISSN 0001-4338. - ISSN 1555-628X

РУБ Meteorology & Atmospheric Sciences + Oceanography
Рубрики:
MODIS
Кл.слова (ненормированные):
fallow lands -- vegetation indices -- terrain spectophotometry -- MODIS -- geobotanical researches -- Krasnoyarsk krai
Аннотация: This article presents investigation data on the seasonal dynamics of productivity, status, and species composition of vegetation on fallow lands in the Krasnoyarsk forest steppe (Middle Siberia) obtained from terrain and satellite materials from 2017. The results of the study of grass plant communities on the basis of geobotanical descriptions and terrain spectrometry were have been used for a more accurate interpretation of cosmic photographs of moderate and low resolution. For studying vegetation on fallow lands, we analyze the seasonal dynamics of various vegetative indices (NDVI, EVI, LSWI, and LAI) and parameters (NPP, FPAR, and LST (land surface temperature)) obtained from MODIS satellite images. Our analysis of satellite data shows the absence of evidences of plowing and mowing in the studied area. A positive correlation is revealed between vegetation indices of biomass (NDVI, EVI, LAI, and NPP) and parameters of hydrothermal conditions (LSWI, FPAR, and LST).

WOS
Держатели документа:
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk, Russia.

Доп.точки доступа:
Shevyrnogov, A. P.; Pisman, T. I.; Kononova, N. A.; Botvich, I. Yu.; Larko, A. A.; Vysotskaya, G. S.; Kononova, Natalia; Complex Program of Fundamental Research of the Siberian Branch of the Russian Academy of Sciences [74, AAAA-A17-117013050027-1]

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18.

Sex Determination Model in Pink Salmon Oncorhynchus gorbuscha (Walbaum, 1792) (Salmonidae, Osteichthyes) Controlled by Multi-Copy Genes Located in Sex Chromosomes / A. A. Makhrov [et al.] // Dokl. Biochem. Biophys. - 2018. - Vol. 478, Is. 1. - P21-24, DOI 10.1134/S1607672918010064. - Cited References:14. - This work was supported by the Russian Science Foundation (project no. 16-14-10001). . - ISSN 1607-6729. - ISSN 1608-3091

РУБ Biochemistry & Molecular Biology + Biophysics
Рубрики:
FISH
Аннотация: This article is devoted to presenting the hypothesis explaining the fact of a considerable prevalence of phenotypic males among the triploid pink salmon as well as the regular occurrence of intersexes, which were revealed by us. This hypothesis also explains the large proportion (in some cases) in pink salmon populations of the individuals whose genetic sex does not match the phenotypic sex. We assume that the genes encoding the factors that contribute to the transformation of individuals into males (but not the marker sequences of the Y chromosome) are present not only in the Y chromosome of pink salmon but also in the X chromosome, although in smaller quantities.

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Держатели документа:
Russian Acad Sci, Severtsov Inst Ecol & Evolut, Leninskii Pr 33, Moscow 119071, Russia.
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk Res Ctr, Krasnoyarsk 660036, Russia.
Moscow MV Lomonosov State Univ, Fac Biol, Moscow 119991, Russia.

Доп.точки доступа:
Makhrov, A. A.; Artamonova, V. S.; Kolmakova, O. V.; Ponomareva, M. V.; Russian Science Foundation [16-14-10001]

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19.

Shining Light on the Secreted Luciferases of Marine Copepods: Current Knowledge and Applications. / S. V. Markova, M. D. Larionova, E. S. Vysotski // Photochemistry and photobiology. - 2018, DOI 10.1111/php.13077 . - ISSN 1751-1097
Аннотация: Copepod luciferases - a family of small secretory proteins of 18.4-24.3 kDa, including a signal peptide, are responsible for bright secreted bioluminescence of some marine copepods. The copepod luciferases use coelenterazine as a substrate to produce blue light in a simple oxidation reaction without any additional cofactors. They do not share sequence or structural similarity with other identified bioluminescent proteins including coelenterazine-dependent Renilla and Oplophorus luciferases. The small size, strong luminescence activity and high stability, including thermostability, make secreted copepod luciferases very attractive candidates as reporter proteins which are particularly useful for nondisruptive reporter assays and for high-throughput format. The most known and extensively investigated representatives of this family are the first cloned GpLuc and MLuc luciferases from copepods Gaussia princeps and Metridia longa, respectively. Immediately after cloning these homologous luciferases were successfully applied as bioluminescent reporters in vivo and in vitro, and since then the scope of their applications continues to grow. This review is an attempt to systemize and critically evaluate the data scattered through numerous articles regarding the main structural features of copepod luciferases, their luminescent and physicochemical properties. We also review the main trends of their application as bioluminescent reporters in cell and molecular biology. This article is protected by copyright. All rights reserved. This article is protected by copyright. All rights reserved.

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Держатели документа:
Photobiology Laboratory, Institute of Biophysics SB RAS, Federal Research Center "Krasnoyarsk Science Center SB RAS", Krasnoyarsk, 660036, Russia.
Siberian Federal University, Krasnoyarsk, 660041, Russia.
N.N. Blokhin National Medical Research Center of Oncology, Ministry of Health of Russia, Moscow, 115478, Russia.

Доп.точки доступа:
Markova, Svetlana V.; Larionova, Marina D.; Vysotski, Eugene S.

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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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