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Use of human wastes oxidized to different degrees in cultivation of higher plants on the soil-like substrate intended for closed ecosystems / A. A. Tikhomirov [et al.] // Advances in Space Research. - 2010. - Vol. 46, Is. 6. - P744-750, DOI 10.1016/j.asr.2010.02.024 . - ISSN 0273-1177
Кл.слова (ненормированные):
Life support systems -- Microflora -- Mineralized human wastes -- Phototrophic unit -- Wet incineration -- Alternating electromagnetic field -- Bioregenerative life support systems -- Degree of oxidations -- Denitrifying microorganisms -- Growth and development -- Higher plants -- Human waste -- Life support systems -- Mass exchange -- Microbiotas -- Microflora -- Microscopic fungi -- Mineralized human wastes -- Nutrient solution -- Oxidation level -- Phytopathogenic bacteria -- Plant productivity -- Soil-like substrate -- Wheat plants -- Biomolecules -- Electromagnetic fields -- Irrigation -- Magnetic field effects -- Metabolism -- Metabolites -- Oxidation -- Plants (botany) -- Soils -- Solvent extraction -- Wastes -- Waste incineration
Аннотация: To close mass exchange loops in bioregenerative life support systems more efficiently, researchers of the Institute of Biophysics SB RAS (Krasnoyarsk, Russia) have developed a procedure of wet combustion of human wastes and inedible parts of plants using H2O2 in alternating electromagnetic field. Human wastes pretreated in this way can be used as nutrient solutions to grow plants in the phototrophic unit of the LSS. The purpose of this study was to explore the possibilities of using human wastes oxidized to different degrees to grow plants cultivated on the soil-like substrate (SLS). The treated human wastes were analyzed to test their sterility. Then we investigated the effects produced by human wastes oxidized to different degrees on growth and development of wheat plants and on the composition of microflora in the SLS. The irrigation solution contained water, substances extracted from the substrate, and certain amounts of the mineralized human wastes. The experiments showed that the human wastes oxidized using reduced amounts of 30% H2O2: 1 ml/g of feces and 0.25 ml/ml of urine were still sterile. The experiments with wheat plants grown on the SLS and irrigated by the solution containing treated human wastes in the amount simulating 1/6 of the daily diet of a human showed that the degree of oxidation of human wastes did not significantly affect plant productivity. On the other hand, the composition of the microbiota of irrigation solutions was affected by the oxidation level of the added metabolites. In the solutions supplemented with partially oxidized metabolites yeast-like microscopic fungi were 20 times more abundant than in the solutions containing fully oxidized metabolites. Moreover, in the solutions containing incompletely oxidized human wastes the amounts of phytopathogenic bacteria and denitrifying microorganisms were larger. Thus, insufficiently oxidized sterile human wastes added to the irrigation solutions significantly affect the composition of the microbiological component of these solutions, which can ultimately unbalance the system as a whole. В© 2010 COSPAR. Published by Elsevier Ltd. All rights reserved.

Scopus
Держатели документа:
Institute of Biophysics SB RAS, Akademgorodok, 50/50, Krasnoyarsk 660036, Russian Federation
Universite Blaise Pascal, 24 avenue des Landais, 63174 Aubiere cedex, France
ESA/ESTEC, Keplerlaan 1, 2201 AZ Noordwijk, Netherlands : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Tikhomirov, A.A.; Kudenko, Y.A.; Ushakova, S.A.; Tirranen, L.S.; Gribovskaya, I.A.; Gros, J.-B.; Lasseur, C.

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Lake Shira, a Siberian salt lake: Ecosystem structure and function. 2. Brachionus plicatilis (rotatoria) growth and development / T. A. Temerova, A. G. Degermendzhy, A. P. Tolomeyev // International Journal of Salt Lake Research. - 1999. - Vol. 8, Is. 3. - P233-244, DOI 10.1023/A:1009001908937 . - ISSN 1037-0544
Кл.слова (ненормированные):
Brachionus plicatilis -- Growth rate -- Reproduction -- Simulation model -- Trophic conditions -- growth -- ontogeny -- saline lake -- trophic conditions -- zooplankton -- Russian Federation -- Brachionus plicatilis -- Chlorella vulgaris -- Rotifera
Аннотация: The growth and development of Brachionus plicatilis (Muller), a rotifer and one of the most abundant zooplankton species in Lake Shira, a saline lake at low temperature in the Republic of Khakassia, was studied in cultures at different trophic conditions. Growth indices were evaluated at natural (lake) concentrations of bacteria, Chlorella vulgaris, a microalga, and Candida utilis, a yeast. The negative effect on rotifer reproduction in the algal-bacterial community by blue-green algae was demonstrated. The ratio of ontogenetic periods was shown to be in accord with species and food concentration. Base values required to calculate B. plicatilis population simulation model parameters were defined.

Scopus
Держатели документа:
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Akademgodorok, 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Temerova, T.A.; Degermendzhy, A.G.; Tolomeyev, A.P.

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Modelling of genetically engineered microorganisms introduction in closed artificial microcosms / N. S. Pechurkin [et al.] // Advances in Space Research. - 1999. - Vol. 24, Is. 3. - P335-341, DOI 10.1016/S0273-1177(99)00320-8 . - ISSN 0273-1177
Кл.слова (ненормированные):
aquatic environment -- artificial ecosystem -- ecological modeling -- genetically modified organism -- alga -- animal -- article -- bacterial count -- bacterial gene -- biological model -- biomass -- Escherichia coli -- feasibility study -- genetic engineering -- genetics -- growth, development and aging -- microbiology -- microclimate -- Photobacterium -- plasmid -- protozoon -- time -- yeast -- Algae -- Animals -- Biomass -- Colony Count, Microbial -- Ecological Systems, Closed -- Escherichia coli -- Feasibility Studies -- Genes, Bacterial -- Genetic Engineering -- Models, Biological -- Photobacterium -- Plasmids -- Protozoa -- Time Factors -- Water Microbiology -- Yeasts
Аннотация: The possibility of introducing genetically engineered microorganisms (GEM) into simple biotic cycles of laboratory water microcosms was investigated. The survival of the recombinant strain Escherichia coli Z905 (Ap(r), Lux+) in microcosms depends on the type of model ecosystems. During the absence of algae blooming in the model ecosystem, the part of plasmid-containing cells E.coli decreased fast, and the structure of the plasmid was also modified. In conditions of algae blooming (Ankistrodesmus sp.) an almost total maintenance of plasmid-containing cells was observed in E.coli population. A mathematics model of GEM's behavior in water ecosystems with different level of complexity has been formulated. Mechanisms causing the difference in luminescent exhibition of different species are discussed, and attempts are made to forecast the GEM's behavior in water ecosystems.

Scopus
Держатели документа:
Institute of Biophysics, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk, Russian Federation
Krasnoyarsk State University, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Pechurkin, N.S.; Brilkov, A.V.; Ganusov, V.V.; Kargatova, T.V.; Maksimova, E.E.; Popova, L.Yu.

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Experimental and mathematical models for small aqueous closed ecosystems with spatially separated components / T. I. Pisman [et al.] // Advances in Space Research. - 1999. - Vol. 24, Is. 3. - P361-366, DOI 10.1016/S0273-1177(99)00486-X . - ISSN 0273-1177
Кл.слова (ненормированные):
carbon dioxide -- nitrogen -- oxygen -- quaternary ammonium derivative -- aquatic environment -- artificial ecosystem -- ecological modeling -- trophic interaction -- animal -- article -- biological model -- Candida -- Chlorella -- fermentation -- mathematics -- metabolism -- microclimate -- Paramecium -- photosynthesis -- Animals -- Candida -- Carbon Dioxide -- Chlorella -- Ecological Systems, Closed -- Fermentation -- Mathematics -- Models, Biological -- Nitrogen -- Oxygen -- Paramecium -- Photosynthesis -- Quaternary Ammonium Compounds
Аннотация: Experimental and theoretical models of closed 'autotroph-heteretroph' (chlorella-yeast, chlorella- protozoa) ecosystems with spatially separated components have been created and studied. The chart of flows and interaction of components of gas-closed 'chlorella-yeast' system have formed the basis describe mathematically the functioning of the given system, experimental results have been found to agree with computer solution of the problem in terms of quality. Investigation of the experimental model of the 'producer-consumer' trophic chain demonstrated the role of protozoa in nitrogen turnover. 'Production-decomposition' and 'production-grazing-decomposition' cycle models has been theoretically analyzed and compared. The predator has been shown to be a more intensive mineralizer than the reducer component.

Scopus
Держатели документа:
Institute of Biophysics (Russian Academy of Sciences, Siberian Branch), Krasnoyarsk 6600036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Pisman, T.I.; Pechurkin, N.S.; Babkin, A.V.; Somova, L.A.; Sarangova, A.B.

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Experimental models of small closed systems with spatially separated unicellular organism-based components. / T. I. Pis'man [et al.] // Life support & biosphere science : international journal of earth space. - 1999. - Vol. 6, Is. 2. - P133-139 . - ISSN 1069-9422
Кл.слова (ненормированные):
carbon dioxide -- nitrogen -- animal -- article -- biomass -- Candida -- Chlorella -- ecosystem -- growth, development and aging -- metabolism -- microclimate -- Paramecium -- photosynthesis -- physiology -- Animals -- Biomass -- Candida -- Carbon Dioxide -- Chlorella -- Ecological Systems, Closed -- Ecosystem -- Nitrogen -- Paramecium -- Photosynthesis
Аннотация: Experimental models of small biotic cycles of different degree of closure and complexity with spatially separated components based on unicellular organisms have been studied. Gas closure of components looped into "autotroph-heterotroph" (chlorella-yeast) system doubled the lifetime of the system (as opposed to individually cultivated components). Higher complexity of the heterotroph component consisting of two yeast species also increased the lifetime of the system through more complete utilization of the substrate by competing yeast species. The lifetime of gas and substrate closed "producer-consumer" trophic chain (chlorella-paramecia) increased to 7 months. In 60 days the components' numbers reached their steady state followed by more than 40 cycles of the medium. The role of a predator organism (protozoan) in nitrogen cycling was demonstrated; reproduction of protozoa correlated directly with their emission of nitrogen in the ammonia form that is most optimum for growth of chlorella.

Scopus
Держатели документа:
Institute of Biophysics (Russian Academy of Sciences, Siberian Branch), Krasnoyarsk, Russia. : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Pis'man, T.I.; Pechurkin, N.S.; Sarangova, A.B.; Somova, L.A.

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Interaction of a mixed yeast culture in an "autotroph-heterotroph" system with a closed atmosphere cycle and spatially separated components / T. I. Pisman, L. A. Somova // Advances in Space Research. - 2003. - Vol. 31, Is. 7. - P1751-1756, DOI 10.1016/S0273-1177(03)00116-9 . - ISSN 0273-1177
Кл.слова (ненормированные):
Metabolism -- Oxygen -- Substrates -- Yeast -- Closed atmosphere cycle -- Space research -- carbon dioxide -- oxygen -- biosphere -- anaerobic growth -- article -- biomass -- Candida -- Chlorella -- comparative study -- culture medium -- ecosystem -- growth, development and aging -- metabolism -- microclimate -- Anaerobiosis -- Biomass -- Candida -- Carbon Dioxide -- Chlorella -- Culture Media -- Ecological Systems, Closed -- Ecosystem -- Environment, Controlled -- Oxygen
Аннотация: The study considers an experimental model of the "autotroph-heterotroph" system with a closed atmosphere cycle, in which the heterotrophic link is a mixed yeast population. The autotrophic link is represented by the algae Chlorella vulgaris and the heterotrophic link by the yeasts Candida utilis and Candida guilliermondii. The controls are populations of Chlorella and the same yeasts isolated from the atmosphere. It has been shown that the outcome of competition in the heterotrophic link depends on the strategy of the yeast population towards the substrate and oxygen. The C. utilis population quickly utilizes the substrate as it is an r-strategist and is less sensitive to oxygen deficiency. The C. guilliermondii population consumes low concentrations of the substrate because it is a K-strategist, but it is more sensitive to oxygen deficiency. That is why, in the "autotroph-heterotroph" system with a closed gas cycle, after a considerable amount of the substrate has been consumed, the C. guilliermondii population becomes more competitive that the C. utilis population. In the culture of yeasts, isolated from the atmosphere, the C. utilis population finds itself in more favorable conditions due to oxygen deficiency. The system with a complex heterotrophic component survive longer than a system whose heterotrophic component is represented by only one yeast species. This is explained for by the positive metabolite interaction of yeasts and a more complete utilization of the substrate by a mixed culture of yeasts featuring different strategies towards the substrate. В© 2003 COSPAR. Published by Elsevier Science Ltd. All rights reserved.

Scopus
Держатели документа:
Inst. of Biophysics Siberian Branch, Russian Academy Science, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Pisman, T.I.; Somova, L.A.

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EXPERIMENTAL-MODEL OF A GAS-CLOSED AUTOTROPH HETEROTROPH ECOSYSTEM [Text] / T. I. PISMAN [et al.] // Microbiology. - 1995. - Vol. 64, Is. 5. - P560-562. - Cited References: 7 . - ISSN 0026-2617

РУБ Microbiology

Аннотация: The dynamics of components were studied in a gas-closed autotroph-heterotroph ecosystem with spatially separated components. Oxygen-producing green microscopic algae served as the autotrophic component, and carbon dioxide-producing yeasts served as the heterotrophic component. The longevity of the gas-closed autotroph-heterotroph system was two times greater than that of separately cultivated components. Making the system more closed by additing glucose (the limiting factor for heterotroph growth) prolonged the longevity of the system up to 25 days. Further system closing by complicating the heterotrophic component (comprised now of two yeast species differing in the rate of substrate consumption) further increased the longevity of the system and the biomass of both the autotrophic and heterotrophic components.
: 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
PISMAN, T.I.; SOMOVA, L.A.; SARANGOVA, A.B.; PECHURKIN, N.S.

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Interaction of a mixed yeast culture in an "autotroph-heterotroph" system with a closed atmosphere cycle and spatially separated components [Text] / T. I. Pisman, L. A. Somova ; ed. M Nelson [et al.] // SPACE LIFE SCIENCES: CLOSED ARTIFICIAL ECOSYSTEMS AND LIFE SUPPORT SYSTEMS. Ser. ADVANCES IN SPACE RESEARCH : PERGAMON-ELSEVIER SCIENCE LTD, 2003. - Vol. 31: Meeting of F4 1 Session of the 34th Scientific Assembly of COSPAR (OCT, 2002, HOUSTON, TEXAS), Is. 7. - P. 1751-1756, DOI 10.1016/S0273-1177(03)00116-9. - Cited References: 10 . - ISBN 0273-1177

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

Аннотация: The study considers an experimental model of the "autotroph-heterotroph" system with a closed atmosphere cycle, in which the heterotrophic link is a mixed yeast population. The autotrophic link is represented by the algae Chlorella vulgaris and the heterotrophic link by the yeasts Candida utilis and Candida guilliermondii. The controls are populations of Chlorella and the same yeasts isolated from the atmosphere. It has been shown that the outcome of competition in the heterotrophic link depends on the strategy of the yeast population towards the substrate and oxygen. The C. utilis population quickly utilizes the substrate as it is an r-strategist and is less sensitive to oxygen deficiency. The C guilliermondii population consumes low concentrations of the substrate because it is a K-strategist, but it is more sensitive to oxygen deficiency. That is why, in the "autotroph-heterotroph" system with a closed gas cycle, after a considerable amount of the substrate has been consumed, the C. guilliermondii population becomes more competitive that the C utilis population. In the culture of yeasts, isolated from the atmosphere, the C utilis population finds itself in more favorable conditions due to oxygen deficiency. The system with a complex heterotrophic component survive longer than a system whose heterotrophic component is represented by only one yeast species. This is explained for by the positive metabolite interaction of yeasts and a more complete utilization of the substrate by a mixed culture of yeasts featuring different strategies towards the substrate. (C) 2003 COSPAR. Published by Elsevier Science Ltd. All rights reserved.

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

Доп.точки доступа:
Pisman, T.I.; Somova, L.A.; Nelson, M \ed.\; Pechurkin, NS \ed.\; Dempster, WF \ed.\; Somova, LA \ed.\; Somo, , LA \ed.\

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Genetically encodable bioluminescent system from fungi / A. A. Kotlobay [et al.] // Proc. Natl. Acad. Sci. U. S. A. - 2018. - Vol. 115, Is. 50. - P12728-12732, DOI 10.1073/pnas.1803615115 . - ISSN 0027-8424
Кл.слова (ненормированные):
Bioluminescence -- Fungal luciferase -- Fungal luciferin biosynthesis
Аннотация: Bioluminescence is found across the entire tree of life, conferring a spectacular set of visually oriented functions from attracting mates to scaring off predators. Half a dozen different luciferins, molecules that emit light when enzymatically oxidized, are known. However, just one biochemical pathway for luciferin biosynthesis has been described in full, which is found only in bacteria. Here, we report identification of the fungal luciferase and three other key enzymes that together form the biosynthetic cycle of the fungal luciferin from caffeic acid, a simple and widespread metabolite. Introduction of the identified genes into the genome of the yeast Pichia pastoris along with caffeic acid biosynthesis genes resulted in a strain that is autoluminescent in standard media. We analyzed evolution of the enzymes of the luciferin biosynthesis cycle and found that fungal bioluminescence emerged through a series of events that included two independent gene duplications. The retention of the duplicated enzymes of the luciferin pathway in nonluminescent fungi shows that the gene duplication was followed by functional sequence divergence of enzymes of at least one gene in the biosynthetic pathway and suggests that the evolution of fungal bioluminescence proceeded through several closely related stepping stone nonluminescent biochemical reactions with adaptive roles. The availability of a complete eukaryotic luciferin biosynthesis pathway provides several applications in biomedicine and bioengineering. © 2018 National Academy of Sciences. All Rights Reserved.

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WOS
Держатели документа:
Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, 117997, Russian Federation
Planta LLC, Moscow, 121205, Russian Federation
Institute of Science and Technology Austria, Klosterneuburg, 3400, Austria
Medical Research Council London Institute of Medical Sciences, Imperial College London, London, W12 0NN, United Kingdom
Centre for Genomic Regulation, Barcelona Institute for Science and Technology, Barcelona, 08003, Spain
Universitat Pompeu Fabra, Barcelona, 08003, Spain
Evrogen JSC, Moscow, 117997, Russian Federation
Institute of Biophysics, Federal Research Center Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Moscow, 142290, Russian Federation
Pirogov Russian National Research Medical University, Moscow, 117997, Russian Federation
Biomedical Nanomaterials, National Research Technological University (MISiS), Moscow, 119049, Russian Federation
Skolkovo Institute of Science and Technology, Moscow, 121205, Russian Federation
Departamento de Bioquimica, Instituto de Quimica, Universidade de Sao Paulo, Sao Paulo, 05508-000, Brazil
Departamento de Oceanografia Fisica, Quimica e Geologica, Instituto Oceanografico, Universidade de Sao Paulo, Sao Paulo, 05508-120, Brazil
Department of Environmental Biology, Chubu University, Kasugai, 487-8501, Japan
Catalan Institution for Research and Advanced Studies (ICREA), Barcelona, 08010, Spain
Departamento de Quimica Fundamental, Instituto de Quimica, Universidade de Sao Paulo, Sao Paulo, 05508-000, Brazil

Доп.точки доступа:
Kotlobay, A. A.; Sarkisyan, K. S.; Mokrushina, Y. A.; Marcet-Houben, M.; Serebrovskaya, E. O.; Markina, N. M.; Somermeyer, L. G.; Gorokhovatsky, A. Y.; Vvedensky, A.; Purtov, K. V.; Petushkov, V. N.; Rodionova, N. S.; Chepurnyh, T. V.; Fakhranurova, L. I.; Guglya, E. B.; Ziganshin, R.; Tsarkova, A. S.; Kaskova, Z. M.; Shender, V.; Abakumov, M.; Abakumova, T. O.; Povolotskaya, I. S.; Eroshkin, F. M.; Zaraisky, A. G.; Mishin, A. S.; Dolgov, S. V.; Mitiouchkina, T. Y.; Kopantzev, E. P.; Waldenmaier, H. E.; Oliveira, A. G.; Oba, Y.; Barsova, E.; Bogdanova, E. A.; Gabaldon, T.; Stevani, C. V.; Lukyanov, S.; Smirnov, I. V.; Gitelson, J. I.; Kondrashov, F. A.; Yampolsky, I. V.

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