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EFFECT OF AGITATION INTENSITY AND SAS CONCENTRATION ON RATE OF OXYGEN SORPTION BY MODEL SULFATE-ALBUMIN MEDIUM [Текст] / G. S. VOROBYOVA, N. S. PECHURKIN // ANTIBIOTIKI I MEDITSINSKAYA BIOTEKHNOLOGIYA. - 1985. - Vol. 30, Is. 7. - P. 521-525. - Cited References: 14 . - ISSN 0233-7525

РУБ Microbiology + Pharmacology & Pharmacy

WOS : 660036, Красноярск, Академгородок, д. 50, стр. 50
Доп.точки доступа:
VOROBYOVA, G.S.; PECHURKIN, N.S.

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MODULATION OF REACTIVE OXYGEN SPECIES FORMATION UNDER CELL-INTERACTIONS IN SYNGENIC AND ALLOGENIC SYSTEMS [Текст] / K. I. PUKHOV, J. I. PUKHOVA // DOKLADY AKADEMII NAUK SSSR. - 1989. - Vol. 305, Is. 5. - P. 1249-1252. - Cited References: 7 . - ISSN 0002-3264

РУБ Multidisciplinary Sciences

WOS : 660036, Красноярск, Академгородок, д. 50, стр. 50
Доп.точки доступа:
PUKHOV, K.I.; PUKHOVA, J.I.

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LUMINESCENCE OF CA2+-ACTIVATED PHOTOPROTEIN OBELIN UNDER THE ACTION OF ACTIVE FORMS OF OXYGEN [Текст] / Y. S. VYSOTSKII [и др.] // DOKLADY AKADEMII NAUK SSSR. - 1991. - Vol. 321, Is. 4. - С. 850-854. - Cited References: 8 . - ISSN 0002-3264

РУБ Multidisciplinary Sciences
Рубрики:
AEQUORIN
: 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
VYSOTSKII, Y.S.; BONDAR, V.S.; TROFIMOV, K.P.; GITELZON, I.I.

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^a343.17.09.05^2VINITI
Л 94

Люминесценция Ca{2}{+}-активируемого фотопротеина обелина под действием активных форм кислорода [Текст] : научное издание / Е. С. Высоцкий [и др.] // Докл. АН СССР. - 1991. - Т. 321, N 4. - С. 850-854 . - ISSN 0002-3264

ГРНТИ

34.17.09

РУБ 343.17.09.05
Рубрики:
БЕЛОК
   ОБЕЛИН
   КАЛЬЦИЙ-АКТИВИРУЕМЫЙ
   ЛЮМИНЕСЦЕНЦИЯ
   КИСЛОРОД АКТИВНЫЙ
   КИШЕЧНОПОЛОСТНЫЕ
   PROTEIN
   LUMINESCENCE
   ACTION OXYGEN
: 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Высоцкий, Евгений Степанович; Бондарь, Владимир Станиславович; Трофимов, К. П.; Гительзон, Иосиф Исаевич

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CHEMILUMINESCENT ANALYSIS OF THE KINETICS OF REACTIVE OXYGEN SPECIES GENERATION BY WHOLE-BLOOD CELLS UNDER COMPENSATIVE EXFUSIONS [Текст] / K. I. PUKHOV [и др.] // DOKLADY AKADEMII NAUK SSSR. - 1991. - Vol. 316, Is. 1. - P. 247-251. - Cited References: 11 . - ISSN 0002-3264

РУБ Multidisciplinary Sciences
Рубрики:
HYDROGEN-PEROXIDE
NEUTROPHIL

WOS : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
PUKHOV, K.I.; MAKARSKAYA, G.V.; YAKHNINA, Y.I.; PUKHOVA, Y.I.

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EFFECT OF CULTIVATION PARAMETERS ON THE LEVEL OF HYDROGENASE ACTIVITY IN ALCALIGENES-EUTROPHUS Z-1 CELLS [Text] / O. A. GUSEINOV, V. F. PLOTNIKOV // Microbiology. - 1991. - Vol. 60, Is. 2. - P. 144-148. - Cited References: 13 . - ISSN 0026-2617

РУБ Microbiology
Рубрики:
SOLUBLE HYDROGENASE
BACTERIA
Аннотация: The effect of different cultivation parameters on the specific activities of soluble and membrane-bound hydrogenases was studied in Alcaligenes eutrophus Z-1 cells. These activities were shown to be dependent primarily on the availability of electrons from the substrate used. Changes in cultivation temperature and oxygen concentration versus the optimal values as well as addition of low amounts of carbon monoxide to the gas phase exerted a lesser effect on the specific hydrogenase activities. Autotrophic and heterotrophic methods were developed for growing A. eutrophus Z-1 cells with a high hydrogenase activity.

WOS : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
GUSEINOV, O.A.; PLOTNIKOV, V.F.

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DISAPPEARANCE OF PHENOL IN WATER SAMPLES TAKEN FROM THE YENISEI RIVER AND THE KRASNOYARSK RESERVOIR [Text] / M. I. GLADYSHEV, I. V. GRIBOVSKAYA, V. V. ADAMOVICH // Water Res. - 1993. - Vol. 27, Is. 6. - P1063-1070, DOI 10.1016/0043-1354(93)90071-O. - Cited References: 20 . - 8. - ISSN 0043-1354

РУБ Engineering, Environmental + Environmental Sciences + Water Resources
Рубрики:
ORGANIC-COMPOUNDS
   LAKE WATER
   MINERALIZATION
   BIODEGRADATION
   KINETICS
   MODELS
Кл.слова (ненормированные):
BIODEGRADATION -- PHENOL
Аннотация: Using experimental microecosystems the kinetics of phenol disappearance in river and reservoir water were investigated. In river water the disappearance kinetics could be described by A first-order equation, the same kinetics took place in reservoir water before and after the period of ''bloom'' of blue-green algae. During the ''bloom'', the phenol seemed to be mineralized by bacteria which grew at the expense of another compound, and the model of best fit was the model of exponential growth and low concentration of the test substrate. In the river, two sections differed according to the difference between the mean values of the specific disappearance rates. In the reservoir these rates were lower than those in the river. In general the specific disappearance rate values did not correlate with the values of initial bacterioplankton density, the concentrations of inorganic nutrients nor the chemical oxygen demand. Conclusions about the integral influence of ecosystems on the disappearance rates and dependence of self-purification kinetics on the type of aquatic ecosystem were made.
: 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
GLADYSHEV, M.I.; GRIBOVSKAYA, I.V.; ADAMOVICH, V.V.

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Luminescence of Ca(2+)-activated photoprotein obelin initiated by NaOCl and MnCl2. / E. S. Vysotski [et al.] // Journal of bioluminescence and chemiluminescence. - 1993. - Vol. 8, Is. 6. - P301-305 . - ISSN 0884-3996
Кл.слова (ненормированные):
calcium -- chloride -- hypochlorite sodium -- manganese chloride -- manganese derivative -- obelin -- photoprotein -- article -- chemistry -- drug effect -- kinetics -- luminescence -- metabolism -- Calcium -- Chlorides -- Kinetics -- Luminescence -- Luminescent Proteins -- Manganese Compounds -- Sodium Hypochlorite
Аннотация: The luminescence of obelin is initiated by NaOCl in a reaction mixture containing no calcium. The addition of Mn2+ enhances the light emission > 300-fold. Sodium azide and histidine, as singlet oxygen quenchers, inhibit NaOCl-activated obelin luminescence in the presence or absence of Mn2+. This suggests that the addition of NaOCl to the mixture causes singlet oxygen formation (stimulated by Mn2+ ions), and singlet oxygen initiates the light-emitting reaction.

Scopus
Держатели документа:
Laboratory of Photobiology, Russian Academy of Sciences, Krasnoyarsk. : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Vysotski, E.S.; Trofimov, K.P.; Bondar', V.S.; Gitelson, J.I.

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Man as a component of a closed ecological life support system / J. I. Gitelson, U - Okladnikov YuN // Life support & biosphere science : international journal of earth space. - 1994. - Vol. 1, Is. 2. - P73-81 . - ISSN 1069-9422
Кл.слова (ненормированные):
carbon dioxide -- oxygen -- article -- blood analysis -- blood cell count -- breathing -- construction work and architectural phenomena -- crop -- diet -- growth, development and aging -- human -- metabolism -- microclimate -- physiology -- Russian Federation -- space flight -- standard -- waste management -- water supply -- Blood Cell Count -- Blood Chemical Analysis -- Carbon Dioxide -- Crops, Agricultural -- Diet -- Ecological Systems, Closed -- Environment, Controlled -- Facility Design and Construction -- Humans -- Life Support Systems -- Oxygen -- Respiration -- Russia -- Space Flight -- Waste Management -- Water Supply
Аннотация: Material support of all manned space flights so far has been provided from a prestored stock of substances or replenished from the Earth's biosphere. Exploration of space will, however, become real only when man is able to break away from Earth completely, when he will be accompanied by a system providing everything necessary to sustain full-valued life for an unlimited time. The only known system to date meeting this requirement is the Earth's biosphere. To break away from his cradle, as K.E. Tsiolkovsky called Earth, it is necessary to devise a life support system functionally similar to the natural biosphere. This need not be similar in structure to the vast diversity of trophic relationships available on Earth, but requires the solution of a multitude of various problems of an ecological, physiological, engineering and social-psychological nature. Human life-support systems based on biological regeneration of environments in small volumes have been studied at the Institute of Biophysics (Siberian Branch of the Russian Academy of Sciences) over many years. This work has resulted in the design of Bios-3, a biologically-based self-sustained human life support system.

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

Доп.точки доступа:
Gitelson, J.I.; , U - Okladnikov YuN

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10.

MN2+-ACTIVATED LUMINESCENCE OF THE PHOTOPROTEIN OBELIN [Text] / E. S. VYSOTSKI [et al.] // Arch. Biochem. Biophys. - 1995. - Vol. 316, Is. 1. - P92-99, DOI 10.1006/abbi.1995.1014. - Cited References: 38 . - 8. - ISSN 0003-9861

РУБ Biochemistry & Molecular Biology + Biophysics
Рубрики:
CALCIUM-ACTIVATED PHOTOPROTEINS
   CTENOPHORES MNEMIOPSIS SP
   CA-2+-ACTIVATED PHOTOPROTEIN
   MESSENGER-RNA
   BEROE-OVATA
   AEQUORIN
   PURIFICATION
   PROTEIN
   CDNA
   EXTRACTION
Аннотация: The light emission of obelin may be initiated by Mn2+ under alkaline conditions. The luminescence takes place in a pH range from 7 to 12 with a sharp optimum at 11.75. The first-order rate constant for Mn2+-activated luminescence decay is more than 9 s(-1), while that for Ca2+-activated luminescence decay is only 6.9 s(-1). The Mn2+ concentration-effect curve for obelin determined with simple dilutions of manganese salt is a sigmoid curve, The slope of the curve is moderately dependent on the pH and was not more than 1 within the pH range tested. The maximal light emission, which is initiated by 3.6 X 10(-5) M Mn2+ at pH 11.75 was about 10% of the maximal Ca2+-activated luminescence. Mg2+ ions inhibit the Mn2+-activated luminescence of obelin. The addition of OH. and O-2(-) scavengers did not influence the Mn2+-activated luminescence, but when singlet oxygen quenchers were added, the Mn2+-dependent light emission was inhibited. This suggests that the O-1(2) might be formed and itself be responsible for chromophore oxidation attended with light emission. NEM and Na2S2O4 inhibit the Mn2+-initiated light emission of obelin completely, showing that endogenous hydroperoxide and SH-group(s) of the photoprotein are essential for both Ca2+-activated and Mn2+-activated light emission of obelin. (C) 1995 Academic Press, Inc.
: 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
VYSOTSKI, E.S.; TROFIMOV, C.P.; BONDAR, V.S.; FRANK, L.A.; MARKOVA, S.V.; ILLARIONOV, B.A.

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11.

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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12.

Consistency of gas exchange of man and plants in a closed ecological system: Lines of attack on the problem / J. I. Gitelson, Yu. N. Okladnikov // Advances in Space Research. - 1996. - Vol. 18, Is. 1-2. - P205-210 . - ISSN 0273-1177
Кл.слова (ненормированные):
carbon dioxide -- oxygen -- article -- atmosphere -- biological model -- breathing -- human -- metabolism -- microclimate -- nutrition -- photosynthesis -- physiology -- plant -- plant physiology -- Atmosphere -- Carbon Dioxide -- Ecological Systems, Closed -- Humans -- Models, Biological -- Nutrition Physiology -- Oxygen -- Photosynthesis -- Plant Physiology -- Plants -- Respiration
Аннотация: Gas exchange between man and plants in a closed ecological system based on atmosphere regeneration by plant photosynthesis is made consistent by attaining the equilibrium of human CO2 discharge and the productivity of the gas consuming bioregenerator. In this case the gas exchange might be, however, qualitatively disturbed from the equilibrium in terms of oxygen making it accumulate or decrease continuously in the air of the system. Gas exchange equilibrium in terms of O2 was attained in long-term experiments by equality of the human respiration coefficient and the plant assimilation coefficient. Varying the ratio of these parameters it is possible to control the oxygen concentration in the atmosphere to be reclaimed.

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

Доп.точки доступа:
Gitelson, J.I.; Okladnikov, Yu.N.

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13.

Oxidation of elemental sulfur by Thiobacillus ferrooxidans [Text] / A. V. Belyi [et al.] // Appl. Biochem. Microbiol. - 1997. - Vol. 33, Is. 5. - P. 503-506. - Cited References: 10 . - ISSN 0003-6838

РУБ Biotechnology & Applied Microbiology + Microbiology

Аннотация: In batch cultures of Thiobacillus ferrooxidans, the initial linear phase of sulfur oxidation was followed by the exponential one. It was shown that both free cells and cells adsorbed to the substrate were involved in the oxidation. Initially, only cells adsorbed to the substrate consumed oxygen. During the exponential phase, they accounted for only half the oxygen consumed; the other half was consumed by free cells. After the cells adsorbed to the substrate were removed, the oxygen consumption by free cells decreased significantly.

WOS
Держатели документа:
RUSSIAN ACAD SCI,SIBERIAN DIV,INST BIOPHYS,KRASNOYARSK 660036,RUSSIA
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Belyi, A.V.; Gurevich, Y.L.; Pustoshilov, P.P.; Kadochnikova, G.G.

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14.

Mineralization of wastes of human vital activity and plants to be used in a life support system [Text] / Y. A. Kudenko, I. V. Gribovskaya, R. A. Pavlenko // Acta Astronaut. - 1997. - Vol. 41, Is. 3. - P. 193-196, DOI 10.1016/S0094-5765(97)00215-4. - Cited References: 8 . - ISSN 0094-5765

РУБ Engineering, Aerospace

Аннотация: Available methods for mineralizing wastes of human activity and inedible biomass of plants used in this country and abroad are divided into two types: dry mineralization at high temperatures up to 1270 K with subsequent partial dissolution of the ash and the other-wet oxidation by acids. In this case mineralization is performed at a temperature of 470-460 K and a pressure of 220-270 atmospheres in pure oxygen with the output of mineral solution and dissoluble sediments in the form of scale. The drawback of the first method is the formation of dioxins, CO, SO2, NO2 and other toxic compounds. The latter method is too sophisticated and is presently confined to bench testing. The here proposed method to mineralize the wastes is in mid-position between the thermal and physical chemical methods. At a temperature of 89-90 degrees C the mixture was exposed to a controlled electromagnetic field at normal atmospheric pressure. The method merits simplicity, reliability, produces no dissoluble sediment or emissions noxious for human and plants. The basic difference from the above said methods is to employ as an oxidizer atomic oxygen, its active forms including OH-radicals with hydrogen peroxide as the sourer. Hydrogen peroxide can be produced with electric power from water inside the Life Support System (LSS). (C) 1998 Elsevier Science Ltd. All rights reserved.

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

Доп.точки доступа:
Kudenko, Y.A.; Gribovskaya, I.V.; Pavlenko, R.A.

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15.

Mineralization of wastes of human vital activity and plants in LSS [Text] / Y. A. Kudenko, I. V. Gribovskaya, R. A. Pavlenko ; ed. ya, IV Gribovs // SIXTH EUROPEAN SYMPOSIUM ON SPACE ENVIRONMENTAL CONTROL SYSTEMS, VOLS 1 AND 2. Ser. ESA SPECIAL PUBLICATIONS : EUROPEAN SPACE AGENCY, 1997. - Vol. 400: 6th European Symposium on Space Environmental Control Systems (MAY 20-22, 1997, NOORDWIJK, NETHERLANDS). - P. 803-806. - Cited References: 0 . - ISBN 0379-6566. - ISBN 92-9092-283-4

РУБ Engineering, Aerospace

Аннотация: Available methods for mineralizing wastes of human activity and inedible biomass of plants used in this country and abroad are divided into two types: dry mineralization at high temperatures up to 1270 degrees K with subsequent partial dissolution of the ash and the other wet oxidation by acids. In this case mineralization is performed at the temperature of 470-460 degrees K and the pressure of 220-270 atmospheres in pure oxygen with the output of mineral solution and dissoluble sediments in the form of scale. The drawback of the former method is formation of dioxins, CO, SO2, NO2 and other toxic compounds. The latter method is too sophisticated and presently is confined to bench testing. The proposed method to mineralize the wastes is in mid-position between the thermal and physical chemical methods. At the temperature of 80-90 degrees C the mixture was exposed to controlled electromagnetic field at normal atmospheric pressure. The method merits simplicity, reliability, produces no dissoluble sediment, emissions noxious for humans and plants. The basic difference from the above said methods is to employ for oxidizer atomic oxygen, its active forms including OH-radicals with hydrogen peroxide as the source. Hydrogen peroxide can be produced with electric power from water inside LSS.

WOS : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Kudenko, Y.A.; Gribovskaya, I.V.; Pavlenko, R.A.; Gribovs, ya, IV \ed.\

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16.

Surface properties of nanodiamond films deposited by electrophoresis on Si(100) / E. Maillard-Schaller [et al.] // Diamond and Related Materials. - 1999. - Vol. 8, Is. 2-5. - P805-808 . - ISSN 0925-9635
Кл.слова (ненормированные):
Energy band diagram -- Nanodiamond -- Raman spectroscopy -- Surface characterization -- Band structure -- Electrodeposition -- Electrophoresis -- Hydrogen -- Nanostructured materials -- Nitrogen -- Oxidation -- Oxygen -- Phonons -- Plasma applications -- Silicon wafers -- Surface properties -- Dielectrophoresis -- Negative electron affinity (NEA) -- Phonon confinement effect -- Diamond films
Аннотация: The surface properties of diamond nanoparticles (40-50 A in diameter) have been investigated by X-ray photoelectron spectroscopy (XPS), UV photoelectron spectroscopy (UPS) and Raman spectroscopy. The diamond nanoparticles have been deposited on flat Si(100) substrates by electrophoresis/dielectrophoresis. The as-deposited films are strongly oxidized and present a 1-2% nitrogen content. After treatment at 850 В°C in H2 plasma for 60 min, the oxygen is removed, and the position of the C 1s core-level peak indicates a n-type electronic comportment of the diamond nanoparticles. Raman spectroscopy of the as-deposited film shows a sp3 contribution at 1321 cm-1 and a sp2 contribution around 1620 cm-1. The 12 cm-1 shift of the sp3 contribution with respect to the bulk diamond peak at 1333 cm-1 is attributed to a phonon confinement effect due to the size of the diamond particles. The H2 plasma treatment induces a size decrease of the nanocrystallites confirmed by Raman and scanning electron microscopy (SEM) measurements. UPS spectroscopy shows a negative electron affinity of -0.2 eV of the hydrogenated nanodiamond film.

Scopus
Держатели документа:
Solid State Physics Department, University of Fribourg, 1700, Fribourg, Switzerland
Institute of Christallography, 117333, Moscow, Russian Federation
Institute of Biophysics, 660036, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Maillard-Schaller, E.; Kuettel, O.M.; Diederich, L.; Schlapbach, L.; Zhirnov, V.V.; Belobrov, P.I.

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17.

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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18.

Cotranslational formation of active photoprotein obelin in a cell-free translation system: Direct ultrahigh sensitive measure of the translation course [Text] / N. G. Berestovskaya [et al.] // Anal. Biochem. - 1999. - Vol. 268, Is. 1. - P72-78, DOI 10.1006/abio.1998.3051. - Cited References: 22 . - ISSN 0003-2697

РУБ Biochemical Research Methods + Biochemistry & Molecular Biology + Chemistry, Analytical
Рубрики:
SEQUENCE-ANALYSIS
   MESSENGER-RNA
   CA-2+-ACTIVATED PHOTOPROTEIN
   LIGHT-EMISSION
   AEQUORIN
   CDNA
   CLONING
   EXPRESSION
Аннотация: Translation of apoobelin mRNA in a cell-free wheat germ translation system in the presence of coelenterazine and molecular oxygen results in cotranslational formation of active photoprotein. Active obelin formation is recorded by its luminescence, either direct in the translation mixture in the presence of coelenterazine and calcium ions or in aliquots from the translation mixture. In the second case translation is carried out with coelenterazine and EGTA. Registration of the translation course by luminescence of the synthesized product in both cases allows use of apoobelin mRNA at very low concentrations as an internal marker for immediate measure of protein biosynthesis activity of in vitro translation systems. It is shown that the simultaneous translation of any other mRNA does not affect translation of photoprotein mRNAs under standard conditions. Continuous registration of luminescence in a cuvette of a liquid scintillation counter in photon-counting mode varies the time of signal accumulation in a wide temporal range, thus increasing the numerical values of the recorded signals. Registration of photoprotein luminescence during translation can be used to obtain additional information about the translation process, for example codon reading speed, about protein folding, and about the formation of active proteins on ribosomes. (C) 1999 Academic Press.

Держатели документа:
Russian Acad Sci, Branch Inst Bioorgan Chem, Pushchino 142292, Russia
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk 660036, Russia
Tech Univ Berlin, Inst Biochem & Mol Biol, D-10587 Berlin, Germany
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Berestovskaya, N.G.; Shaloiko, L.A.; Gorokhovatsky, A.Y.; Bondar, V.S.; Vysotski, E.S.; Maximov, J.E.; von Doehren, H...; Alakhov, Y.B.

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19.

Cotranslational formation of active photoprotein obelin in a cell-free translation system: Direct ultrahigh sensitive measure of the translation course [Text] / N. G. Berestovskaya [et al.] // Anal. Biochem. - 1999. - Vol. 268, Is. 1. - P. 72-78, DOI 10.1006/abio.1998.3051. - Cited References: 22 . - ISSN 0003-2697

РУБ Biochemical Research Methods + Biochemistry & Molecular Biology + Chemistry, Analytical
Рубрики:
SEQUENCE-ANALYSIS
   MESSENGER-RNA
   CA-2+-ACTIVATED PHOTOPROTEIN
   LIGHT-EMISSION
   AEQUORIN
   CDNA
   CLONING
   EXPRESSION
Аннотация: Translation of apoobelin mRNA in a cell-free wheat germ translation system in the presence of coelenterazine and molecular oxygen results in cotranslational formation of active photoprotein. Active obelin formation is recorded by its luminescence, either direct in the translation mixture in the presence of coelenterazine and calcium ions or in aliquots from the translation mixture. In the second case translation is carried out with coelenterazine and EGTA. Registration of the translation course by luminescence of the synthesized product in both cases allows use of apoobelin mRNA at very low concentrations as an internal marker for immediate measure of protein biosynthesis activity of in vitro translation systems. It is shown that the simultaneous translation of any other mRNA does not affect translation of photoprotein mRNAs under standard conditions. Continuous registration of luminescence in a cuvette of a liquid scintillation counter in photon-counting mode varies the time of signal accumulation in a wide temporal range, thus increasing the numerical values of the recorded signals. Registration of photoprotein luminescence during translation can be used to obtain additional information about the translation process, for example codon reading speed, about protein folding, and about the formation of active proteins on ribosomes. (C) 1999 Academic Press.

WOS
Держатели документа:
Russian Acad Sci, Branch Inst Bioorgan Chem, Pushchino 142292, Russia
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk 660036, Russia
Tech Univ Berlin, Inst Biochem & Mol Biol, D-10587 Berlin, Germany
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Berestovskaya, N.G.; Shaloiko, L.A.; Gorokhovatsky, A.Y.; Bondar, V.S.; Vysotski, E.S.; Maximov, J.E.; von Doehren, H...; Alakhov, Y.B.

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20.

Structure of the Ca2+-regulated photoprotein obelin at 1.7 angstrom resolution determined directly from its sulfur substructure [Text] / Z. J. Liu [et al.] // Protein Sci. - 2000. - Vol. 9, Is. 11. - P2085-2093. - Cited References: 41 . - ISSN 0961-8368

РУБ Biochemistry & Molecular Biology
Рубрики:
CALCIUM-MODULATED PROTEINS
   AMINO-ACID SEQUENCE
   CA-2+-BINDING PHOTOPROTEIN
   CA2+-BINDING PHOTOPROTEIN
   MACROMOLECULAR STRUCTURES
   3-DIMENSIONAL STRUCTURE
   ANOMALOUS SCATTERING
   CRYSTAL-STRUCTURES
   DIFFRACTION DATA
   BINDING SITE
Кл.слова (ненормированные):
bioluminescence -- crystallography -- obelin -- photoprotein -- single wavelength anomalous scattering -- solvent flattening -- sulfur phasing
Аннотация: The crystal structure of the photoprotein obelin (22.2 kDa) from Obelia longissima has been determined and refined to 1.7 Angstrom resolution. Contrary to the prediction of a peroxide, the noncovalently bound substrate, coelenterazine, has only a single oxygen atom bound at the C2-position. The protein-coelenterazine 2-oxy complex observed in the crystals is photo-active because, in the presence of calcium ion, bioluminescence emission within the crystal is observed. This structure represents only the second de novo protein structure determined using the anomalous scattering signal of the sulfur substructure in the crystal. The method used here is theoretically different from that used for crambin in 1981 (4.72 kDa) and represents a significant advancement in protein crystal structure determination.

Держатели документа:
Univ Georgia, Dept Biochem & Mol Biol, Athens, GA 30602 USA
Russian Acad Sci, Inst Biophys, Krasnoyarsk 660036, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Liu, Z.J.; Vysotski, E.S.; Chen, C.J.; Rose, J.P.; Lee, J...; Wang, B.C.

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