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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bondar V.S., Boersma M.G., Golovlev E.L., Vervoort J..., Van Berkel WJH, Finkelstein Z.I., Solyanikova I.P., Golovleva L.A., Rietjens IMCM
Заглавие : (19)F NMR study on the biodegradation of fluorophenols by various Rhodococcus species
Колич.характеристики :12 с
Место публикации : Biodegradation: SPRINGER, 1998. - Vol. 9: NMR in Environmental Sciences Symposium (OCT 24, 1997, EDE, NETHERLANDS), Is. 6. - С. 475-486. - ISSN 0923-9820, DOI 10.1023/A:1008391906885
Примечания : Cited References: 37
Предметные рубрики: NUCLEAR-MAGNETIC-RESONANCE
PSEUDOMONAS-PUTIDA MT-2
PHENOL HYDROXYLASE
BACTERIAL-DEGRADATION
3-OXOADIPATE PATHWAY
FLUOROBENZOIC ACID
CONVERSION
METABOLISM
CYCLOISOMERASES
2-CHLORO-CIS,CIS-MUCONATE
Ключевые слова (''Своб.индексиров.''): biodegradation--fluorophenols--(19)f nmr--oxidative defluorination--rhodococcus species
Аннотация: Of all NMR observable isotopes (19)F is the one perhaps most convenient for studies on biodegradation of environmental pollutants. The reasons underlying this potential of (19)F NMR are discussed and illustrated on the basis of a study on the biodegradation of fluorophenols by four Rhodococcus strains. The results indicate marked differences between the biodegradation pathways of fluorophenols among the various Rhodococcus species. This holds not only for the level and nature of the fluorinated biodegradation pathway intermediates that accumulate, but also for the regioselectivity of the initial hydroxylation step. Several of the Rhodococcus species contain a phenol hydroxylase that catalyses the oxidative defluorination of ortho-fluorinated di- and trifluorophenols. Furthermore, it is illustrated how the (19)F NMR technique can be used as a tool in the process of identification of an accumulated unknown metabolite, in this case most likely 5-fluoromaleylacetate. Altogether, the (19)F NMR technique proved valid to obtain detailed information on the microbial biodegradation pathways of fluorinated organics, but also to provide information on the specificity of enzymes generally considered unstable and, for this reason, not much studied so far.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zotina T.A., Kalachova G.S., Bolsunovsky A.Ya., Degermendzhy A.G.
Заглавие : 241Am distribution in the biomass of freshwater macrophytes
Место публикации : Doklady Biological Sciences. - 2008. - Vol. 421, Is. 1. - С. 254-256. - ISSN 00124966 (ISSN) , DOI 10.1134/S0012496608040108
Ключевые слова (''Своб.индексиров.''): americium--carbohydrate--cellulose--lipid--nitrogen--polysaccharide--vegetable protein--article--biomass--bryopsida--cell membrane--cell wall--chemistry--cytoplasm--food chain--growth, development and aging--hydrocharitaceae--metabolism--americium--biomass--bryopsida--carbohydrates--cell membrane--cell wall--cellulose--cytoplasm--food chain--hydrocharitaceae--lipids--nitrogen--plant proteins--polysaccharides
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Sarangova A.B., Somova L.A.
Заглавие : A new enzymatic technique to estimate the efficiency of microbial degradation of pollutants
Место публикации : Advances in Space Research. - 1997. - Vol. 20, Is. 10. - С. 2049-2052. - ISSN 02731177 (ISSN)
Ключевые слова (''Своб.индексиров.''): catalase--hydrogen peroxide--aerobic metabolism--article--bacterium--biomass--bioremediation--enzymology--metabolism--methodology--microbiology--sewage--waste management--water management--aerobiosis--bacteria--biodegradation, environmental--biomass--catalase--hydrogen peroxide--sewage--waste management--water microbiology--water purification
Аннотация: Dynamics of active sludge microorganism activity in aerotanks under chemostat conditions has been studied. Dependence of microorganism catalase activity has been found to depend on residual substrate concentration in proportion to the biomass of microorganisms. Experimental data and field observations has formed the basis to develop a technique to evaluate in relative units the amount of the substrate consumed by biocenosis of the active sludge in the air tanks of purification facilities. В© 1997 COSPAR. Published by Elsevier Science Ltd.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Semenov D.A., Sudachkova N.E., Khlebopros R.G.
Заглавие : A new scheme of lignin biosynthesis and the mechanism of its regulation of functional properties.
Место публикации : Doklady. Biochemistry and biophysics. - 2002. - Vol. 382. - С. 50-52. - ISSN 16076729 (ISSN)
Ключевые слова (''Своб.индексиров.''): lignin--peroxidase--phenol derivative--polymer--article--biosynthesis--cell wall--chemistry--metabolism--oxidation reduction reaction--physiology--plant--cell wall--lignin--oxidation-reduction--peroxidase--phenols--plants--polymers
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Tikhomirov, Alexander A., Ushakova, Sofya A., Velichko, Vladimir V., Trifonov, Sergey, V, Tikhomirova, Natalia A., Kalacheva, Galina S.
Заглавие : A small closed ecosystem with an estimated portion of human metabolism
Колич.характеристики :5 с
Коллективы : Russian Science Foundation [14-14-00599]
Место публикации : Life Sci. Space Res.: ELSEVIER SCIENCE BV, 2018. - Vol. 19. - С. 63-67. - ISSN 2214-5524, DOI 10.1016/j.lssr.2018.10.001. - ISSN 2214-5532(eISSN)
Примечания : Cited References:11. - The study was supported by the Russian Science Foundation (Project No. 14-14-00599.) and carried out in the IBP SB RAS at FRC KRC SB RAS.
Ключевые слова (''Своб.индексиров.''): closed ecosystem--physicochemical waste processing--biochemical waste--processing--cycling process
Аннотация: The study describes a small closed ecosystem used to test technologies to be further employed in full-scale manned closed ecosystems. The experimental ecosystem is designed to use a certain portion of human metabolism, which is included in the gas, water, and organic waste loops of the system. In this experimental ecosystem, gas and water loops are fully closed, and the model enables processing of human waste and plant inedible biomass. A physicochemical method is used to remove pollutants from the air in the system. A human takes part in the gas exchange of the system through its respiration loop. This experimental ecosystem can be used for testing and improving new technologies to be further used in the future space stations.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zotina T.A., Trofimova E.A., Dementiev D.V., Bolsunovsky A.Y.
Заглавие : Accumulation of 241Am by crucian carp from food and water
Место публикации : Doklady Biological Sciences. - 2011. - Vol. 439, Is. 1. - С. 248-252. - ISSN 00124966 (ISSN) , DOI 10.1134/S001249661104017X
Ключевые слова (''Своб.индексиров.''): carassius--cyprinidae--americium--water--animal--animal food--article--carp--ecology--metabolism--physiology--pollutant--radioactive waste--water pollutant--americium--animal feed--animals--carps--ecology--environmental pollutants--radioactive waste--water--water pollutants, radioactive
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Dubinnyi, Maxim A., Ivanov, Igor A., Rodionova, Natalia S., Kovalchuk, Sergey I., Kaskova, Zinaida M., Petushkov, Valentin N.
Заглавие : alpha-C-Mannosyltryptophan is a Structural Analog of the Luciferin from Bioluminescent Siberian Earthworm Henlea sp.
Колич.характеристики :5 с
Коллективы : State Assignment for Basic Research of the Russian Academy of Sciences [0356-2019-0019]; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [19-04-00348-a]
Место публикации : ChemistrySelect: WILEY-V C H VERLAG GMBH, 2020. - Vol. 5, Is. 42. - С. 13155-13159. - ISSN 2365-6549, DOI 10.1002/slct.202003075
Примечания : Cited References:49. - This work was supported by the State Assignment for Basic Research of the Russian Academy of Sciences (project no. 0356-2019-0019) and the Russian Foundation for Basic Research (project no. 19-04-00348-a).
Предметные рубрики: STRUCTURE ELUCIDATION
MANNOSYLATION
TRYPTOPHAN
PROTEIN
COMPLEMENT
Аннотация: Cold extract from bioluminescent earthworm Henlea sp. was studied by HPLC, 1D and 2D NMR and LC-HRMS analysis. An abundant structural analog of the luciferin was isolated and identified as alpha-C-mannosyltryptophan (ManTrp), the product of unusual C2-glycosylation found earlier in humans, ascidians and other animals. Two compounds in cold extract (P300b, P300c) were characterized as C2-substituted derivatives of tryptophan. We hypothesize that a series of tryptophan-containing compounds are possible participants of bioluminescence-related metabolism in Henlea sp.
WOS
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Pisman T.I., Bogdanova O.N.
Заглавие : An experimental study and a mathematical model of interactions in a mixed culture of invertebrates and algae in the Producer-Consumer aquatic biotic cycle
Колич.характеристики :6 с
Место публикации : Biofizika: MEZHDUNARODNAYA KNIGA, 2004. - Vol. 49, Is. 6. - С. 1112-1117. - ISSN 0006-3029
Примечания : Cited References: 22
Предметные рубрики: PREY
Ключевые слова (''Своб.индексиров.''): mixed culture--invertebrates--algae--metabolic products
Аннотация: An experimental investigation was carried out, and a mathematical model of interaction between invertebrates (infusoria Paramecium caudatum and rotifera Brachionus plicatilis) and algae (Chlorella vulgaris and S enedesmus quadricauda) in the producer-consumer aquatic biotic cycle with spatially divided links was constructed. The model describes the dynamics of a mixed culture of infusoria and rotifera in the consumer link, when they consume a mixed culture of algae coming from the producer link. A negative influence of products of algae Scenedesmus metabolism upon the reproduction of infusoria P. caudatum was revealed. Taking this into account, a qualitative coincidence of the results of mathematical modeling with experimental data was obtained. It was shown that the co-existence of mixed algae culture in the producer link with invertebrates in the consumer link in the producer-consumer aquatic biotic cycle is impossible because of the displacement of infusoria P. caudatum by rotifera Brachionus plicatilis.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Nesterenko T.V., Tikhomirov A.A.
Заглавие : An ontogenetic approach to the assessment of plant resistance to stress factors based on the method of chlorophyll fluorescence induction.
Место публикации : Doklady. Biochemistry and biophysics. - 2003. - Vol. 388. - С. 4-7. - ISSN 16076729 (ISSN)
Ключевые слова (''Своб.индексиров.''): chlorophyll--adaptation--aging--article--comparative study--cucumber--light--metabolism--methodology--photostimulation--photosynthesis--physiology--plant leaf--radiation dose--radiation exposure--spectrofluorometry--adaptation, physiological--aging--chlorophyll--cucumis sativus--light--photic stimulation--photosynthetic reaction center complex proteins--plant leaves--radiation dosage--spectrometry, fluorescence
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Soukhovolsky V.G., Fomina I.R., Bil K., Nishio J.N., Khlebopros R.G.
Заглавие : An optimization model of the photosynthetic leaf: the model of optimal photosynthetic CO2 fixation within leaves of mesophytic C3 plants.
Место публикации : Doklady Biological Sciences. - 2002. - Vol. 382. - С. 28-30. - ISSN 00124966 (ISSN)
Ключевые слова (''Своб.индексиров.''): carbon dioxide--ribulosebisphosphate carboxylase--article--biological model--ecosystem--light--metabolism--photosynthesis--plant leaf--radiation exposure--carbon dioxide--ecosystem--light--models, biological--photosynthesis--plant leaves--ribulose-bisphosphate carboxylase
Scopus
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11.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bolsunovsky A.Y., Zotina T.A., Kosinenko S.V.
Заглавие : Assessment of 241Am accumulation rate by samples of algobacterial community of the Yenisei River.
Место публикации : Doklady biological sciences : proceedings of the Academy of Sciences of the USSR, Biological sciences sections / translated from Russian. - 2002. - Vol. 385. - С. 374-376. - ISSN 00124966 (ISSN)
Ключевые слова (''Своб.индексиров.''): americium--fresh water--alga--animal--article--bacterium--kinetics--metabolism--nuclear reactor--phytoplankton--russian federation--algae--americium--animals--bacteria--fresh water--kinetics--nuclear reactors--phytoplankton--russia
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12.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Nesterenko T.V., Tikhomirov A.A., Shikhov V.N., Zavorueva E.N.
Заглавие : Assessment of plant leaf response to long-term exposure at high temperature using the method of thermoinduced chlorophyll fluorescence.
Место публикации : Doklady. Biochemistry and biophysics. - 2001. - Vol. 378. - С. 165-169. - ISSN 16076729 (ISSN)
Ключевые слова (''Своб.индексиров.''): chlorophyll--pigment--article--biosynthesis--chemistry--light--metabolism--plant leaf--plant physiology--radiation exposure--spectrofluorometry--temperature--thermodynamics--time--chlorophyll--light--pigments, biological--plant leaves--plant physiology--spectrometry, fluorescence--temperature--thermodynamics--time factors
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13.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Volova T.G., Kalacheva G.S., Altukhova O.V.
Заглавие : Autotrophic synthesis of polyhydroxyalkanoates by the bacteria Ralstonia eutropha in the presence of carbon monoxide
Колич.характеристики :4 с
Место публикации : Appl. Microbiol. Biotechnol.: SPRINGER-VERLAG, 2002. - Vol. 58, Is. 5. - P675-678. - ISSN 0175-7598, DOI 10.1007/s00253-002-0941-8
Примечания : Cited References: 35
Предметные рубрики: PSEUDOMONAS-OLEOVORANS
ALCALIGENES-EUTROPHUS
COAL
CULTIVATION
METABOLISM
SUBSTRATE
CULTURE
CO2
H-2
O-2
Аннотация: It has been found that the carbon monoxide (CO)-resistant strain of the hydrogen bacteria Ralstonia eutropha B5786 is able to synthesise polyhydroxyalkanoates (PHAs) in the presence of CO under autotrophic conditions. This strain, grown on model gas mixtures containing 5-25% CO v/v), accumulates up to 70-75% (of absolutely dry matter) PHA, without significant variation in the yield coefficient on hydrogen. No suppression of the activities of the key enzymes of PHA synthesis (beta-ketothiolase, acetoacetyl-CoA-reductase, butyrate dehydrogenase and poly-3-hydroxybutyrate synthase) was recorded. The PHA synthesised is a copolymer containing mostly beta-hydroxybutyrate (more than 99 mol%) with trace amounts of beta-hydroxyvalerate. The investigated properties of the polymer (molecular weight, crystallinity, temperature characteristics) do not differ from those of the polymer synthesised on electrolytic hydrogen.
WOS
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14.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shishatskaya E., Goreva A., Kalacheva G., Volova T.
Заглавие : Biocompatibility and resorption of intravenously administered polymer microparticles in tissues of internal organs of laboratory animals
Место публикации : Journal of Biomaterials Science, Polymer Edition. - 2011. - Vol. 22, Is. 16. - С. 2185-2203. - ISSN 09205063 (ISSN) , DOI 10.1163/092050610X537138
Ключевые слова (''Своб.индексиров.''): 14c products of polymer resorption--intravenous administration--microparticles--resorbable polyhydroxybutyrate--tissues of internal organs--3-hydroxybutyric acid--sup14/supc products of polymer resorption--adverse effect--drug-delivery systems--growth and development--high molecular weight--initial molecular weight--initial values--internal organs--intravenous administration--laboratory animals--local response--matrix--mean diameter--micro-particles--polymer degradation--polymer microparticles--preparation process--radioactivity level--residual content--resorbable--sustained-release--tail veins--wistar rat--animals--biocompatibility--degradation--histology--molecular weight--morphology--radiation--radioactivity--rats--tissue--poly(3 hydroxybutyric acid)--animal experiment--animal tissue--article--biocompatibility--concentration process--controlled study--degradation--drug delivery system--female--gel permeation chromatography--heart--kidney parenchyma--liver--lung parenchyma--molecular weight--nonhuman--organ culture--priority journal--radioactivity--rat--spleen--animals--animals, laboratory--biocompatible materials--drug delivery systems--female--infusions, intravenous--materials testing--microspheres--molecular weight--particle size--polymers--rats--rats, wistar--tissue distribution--animalia--rattus--rattus norvegicus
Аннотация: Specimens of 14C-labeled polymer of 3-hydroxybutyric acid, P(3-HB), with different initial molecular weights, were used to prepare microparticles, whose morphology was not influenced by the M w of the polymer. During the particle preparation process, P(3-HB) molecular weight decreased by 15-20%. Sterile microparticles (mean diameter 2.4 ?m) were injected into the tail veins of Wistar rats (5 mg/rat). The effects of the particles administered to rats were studied based on the general response of animals and local response of internal organ tissues and blood morphology; no adverse effects on growth and development of the animals or unfavorable changes in the structure of the tissues of internal organs were observed. Measurements of radioactivity in tissues showed that 14C concentrations are different in different organs, changing during the course of the experiment. The main targets for 14C-labeled microparticles were tissues of the liver, spleen, and kidneys. Comparison of radioactivity levels and residual contents of high-molecular-weight matrix in tissues suggested that the most rapid metabolism and degradation of P(3-HB) occurred in the liver and spleen. Gel-permeation chromatography showed that at 3 h after the microparticles were injected into the bloodstream, polymer degradation started in all examined organs, except the lungs; at 12 weeks, the M w of the polymer matrix was as low as 20-30% of its initial value. The presence of high-molecular-weight (undegraded) polymer in the tissues at 12 weeks after administration of the particles suggests that P(3-HB) is degraded in tissues of internal organs slowly and, hence, P(3-HB)-based microparticles can be used as sustained-release drug-delivery systems. В© 2011 VSP.
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15.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zolotukhin I.G., Tikhomirov A.A., Kudenko Yu.A., Gribovskaya I.V.
Заглавие : Biological and physicochemical methods for utilization of plant wastes and human exometabolites for increasing internal cycling and closure of life support systems
Место публикации : Advances in Space Research. - 2005. - Vol. 35, Is. 9 SPEC. ISS. - С. 1559-1562. - ISSN 02731177 (ISSN) , DOI 10.1016/j.asr.2005.01.006
Ключевые слова (''Своб.индексиров.''): blss--desalting--higher plants--nacl utilization--sls--biomass--crops--decomposition--electrodialysis--harvesting--metabolites--soils--wastes--blss--higher plants--nacl utilization--sls--plants (botany)--biomass--decay--deionization--harvesting--plants--soil--wastes--wheat--sodium chloride--article--biomass--bioremediation--culture medium--feces--growth, development and aging--human--metabolism--methodology--microbiology--microclimate--urine--waste management--wheat--biodegradation, environmental--biomass--culture media--ecological systems, closed--feces--humans--life support systems--sodium chloride--soil microbiology--triticum--urine--waste management
Аннотация: Wheat was cultivated on soil-like substrate (SLS) produced by the action of worms and microflora from the inedible biomass of wheat. After the growth of the wheat crop, the inedible biomass was restored in SLS and exposed to decomposition ("biological" combustion) and its mineral compounds were assimilated by plants. Grain was returned to the SLS in the amount equivalent to human solid waste produced by consumption of the grain. Human wastes (urine and feces) after physicochemical processing turned into mineralized form (mineralized urine and mineralized feces) and entered the plants' nutrient solution amounts equal to average daily production. Periodically (once every 60-70 days) the nutrient solution was partly (up to 50%) desalinated by electrodialysis. Due to this NaCl concentration in the nutrient solution was sustained at a fixed level of about 0.26%. The salt concentrate obtained could be used in the human nutrition through NaCl extraction and the residuary elements were returned through the mineralized human liquid wastes into matter turnover. The control wheat cultivation was carried out on peat with use of the Knop nutrient solution. Serial cultivation of several wheat vegetations within 280 days was conducted during the experiment. Grain output varied and yield/harvest depended, in large part, upon the amount of inedible biomass returned to SLS and the speed of its decomposition. After achieving a stationary regime, (when the quantity of wheat inedible biomass utilized during vegetation in SLS is equal to the quantity of biomass introduced into SLS before vegetation) grain harvest in comparison with the control was at most 30% less, and in some cases was comparable to the control harvest values. The investigations carried out on the wheat example demonstrated in principle the possibility of long-term functioning of the LSS photosynthesizing link based on optimizations of biological and physicochemical methods of utilization of the human and plants wastes. The possibilities for the use of these technologies for the creation integrated biological-physicochemical LSS with high closure degree of internal matter turnover are discussed in this paper. В© 2005 Published by Elsevier Ltd on behalf of COSPAR.
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16.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Remmel N.N., Kratasyuk V.A., Maznyak O.M., Inzhevatkin E.V., Nefedov V.P.
Заглавие : Bioluminescent analysis of intensity of pathological oxidative processes in cells of perfused rat liver after hyperthermia
Место публикации : Bulletin of Experimental Biology and Medicine. - 2003. - Vol. 135, Is. 1. - P43-45. - ISSN 00074888 (ISSN) , DOI 10.1023/A:1023489727703
Ключевые слова (''Своб.индексиров.''): bioluminescent analysis--controlled perfusion of isolated liver--hyperthermia oxidative stress--thiobarbituric acid reactive substance--animal experiment--animal model--animal tissue--article--bioluminescence--concentration (parameters)--controlled study--correlation analysis--female--hyperthermia--in vivo study--lipid peroxidation--liver metabolism--liver perfusion--male--nonhuman--oxidative stress--oxygen consumption--pathology--rat--thermal exposure--animals--female--hepatocytes--hyperthermia, induced--liver--luminescent measurements--male--oxidative stress--perfusion--rats--animalia
Аннотация: We studied the possibility of evaluation of the intensity of pathological oxidative processes in rat liver using an integral bioluminescent test with controlled perfusion of the isolated organ. The test revealed a significant correlation between the level of TBA-reactive products and bioluminescence intensity.
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17.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Salisbury F.B., Gitelson J.I., Lisovsky G.M.
Заглавие : Bios-3: Siberian experiments in bioregenerative life support
Место публикации : BioScience. - 1997. - Vol. 47, Is. 9. - С. 575-585. - ISSN 00063568 (ISSN)
Ключевые слова (''Своб.индексиров.''): agriculture--chlorella--construction work and architectural phenomena--crop--energy metabolism--evaluation--growth, development and aging--human--metabolism--methodology--microbiology--microclimate--nasa discipline life support systems--non-nasa center--photon--review--russian federation--space flight--nasa discipline life support systems--non-nasa center--agriculture--chlorella--crops, agricultural--ecological systems, closed--energy metabolism--environment, controlled--environmental microbiology--evaluation studies--facility design and construction--humans--life support systems--photons--siberia--space flight--space simulation
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18.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Rodionova N.S., Bondar V.S., Petushkov V.N.
Заглавие : Ca(2+)-activator of the luminescence system of the earthworms Henlea sp., (Annelida: Clitellata: Oligochaeta: Enchytraeidae)
Место публикации : Doklady. Biochemistry and biophysics. - 2002. - Vol. 386. - С. 260-263. - ISSN 16076729 (ISSN)
Ключевые слова (''Своб.индексиров.''): calcium--divalent cation--edetic acid--luciferase--luciferin--metal--animal--annelid worm--article--chemistry--dose response--enzymology--genetics--kinetics--luminescence--metabolism--animals--calcium--cations, divalent--dose-response relationship, drug--edetic acid--firefly luciferin--kinetics--luciferases--luminescent measurements--metals--oligochaeta
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19.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Rogozin D.Y., Zykov V.V., Kalugin I.A., Daryin A.V., Degermendzhy A.G.
Заглавие : Carotenoids of phototrophic organisms in bottom sediments of meromictic Lake Shira (Siberia, Russia) as an indicator of past stratification
Место публикации : Doklady Biological Sciences. - 2011. - Vol. 439, Is. 1. - С. 228-231. - ISSN 00124966 (ISSN) , DOI 10.1134/S0012496611040077
Ключевые слова (''Своб.индексиров.''): carotenoid--chlorophyll--water--animal--article--chemistry--ecosystem--lake--metabolism--microbiology--photosynthesis--phototrophy--pigmentation--russian federation--sediment--animals--carotenoids--chlorophyll--ecosystem--geologic sediments--lakes--photosynthesis--phototrophic processes--pigmentation--russia--siberia--water--water microbiology
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20.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Sarangova A.B., Somova L.A., Pisman T.I.
Заглавие : Catalase activity as a potential indicator of the reducer component of small closed ecosystems
Место публикации : Advances in Space Research. - 1997. - Vol. 20, Is. 10. - С. 1945-1948. - ISSN 02731177 (ISSN)
Ключевые слова (''Своб.индексиров.''): carboxymethylcellulose--catalase--animal--article--bacillus--bacterial count--chlorella--culture medium--enzymology--growth, development and aging--metabolism--microclimate--paramecium--animals--bacillus--carboxymethylcellulose--catalase--chlorella--colony count, microbial--culture media--ecological systems, closed--paramecium
Аннотация: Dynamics of catalase activity has been shown to reflect the growth curve of microorganisms in batch cultivation (celluloselythic bacteria Bacillus acidocaldarius and bacteria of the associated microflora Chlorella vulgaris). Gas and substrate closure of the three component ecosystems with spatially separated components "producer-consumer-reducer" (Chl. vulgaris-Paramecium caudatum-B. acidocaldarius, two bacterial strains isolated from the associated microflora Chl. vulgaris) demonstrated that the functioning of the reducer component can be estimated by the catalase activity of microorganisms of this component. В© 1997 COSPAR. Published by Elsevier Science Ltd.
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