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Intracellular phosphorus pool of the cyanobacterium spirulina platensis / A. Ya. Bolsunovsk, S. V. Kosinenko // Mikrobiologiya. - 2000. - Vol. 69, Is. 1. - С. 135-137 . - ISSN 0026-3656
Кл.слова (ненормированные):
phosphorus -- article -- biomass -- Cyanobacterium -- growth, development and aging -- metabolism -- Biomass -- Cyanobacteria -- Phosphorus
Аннотация: An intracellular phosphorus pool in a monoculture of the cyanobacterium Spirulina platensis was assessed using radioactive and nonradioactive phosphorus. The derived dependence of specific growth rate on the intracellular content of mineral phosphorus can be presented in the form of the Droop equation. It was found that the stage of replenishment of the intracellular phosphorus pool may affect the phosphorus turnover estimation in aquatic environments from the results of short-term measurements of phosphorus uptake.

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

Доп.точки доступа:
Bolsunovsk, A.Ya.; Kosinenko, S.V.

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Developing the control criterion for a continuous culture of microorganisms / V. V. Adamovich, D. Yu. Rogozin, A. G. Degermendzhi // Mikrobiologiya. - 2005. - Vol. 74, Is. 1. - С. 5-16 . - ISSN 0026-3656
Кл.слова (ненормированные):
Chemostat -- Control criterion -- Control factor -- Microorganism population -- Sensitivity coefficients -- algorithm -- bacterium -- biological model -- biomass -- culture medium -- ecosystem -- growth, development and aging -- methodology -- microbiological examination -- review -- Algorithms -- Bacteria -- Bacteriological Techniques -- Biomass -- Culture Media -- Ecosystem -- Models, Biological
Аннотация: A short survey and critical analysis of previously proposed criteria for growth control of populations of microorganisms in the chemostat are presented. Based on the analysis of a mathematical model of the steady-state of a microbial population in the chemostat, an adequate control criterion is suggested, along with a method to identify the corresponding regulating factors. The new control criterion is expressed as a product of the factor transformation coefficient and the biomass sensitivity coefficient (SC) with respect to the change of the factor at the chemostat inlet (referred to in the sequel as the biomass SC). The control criterion determines the strength of the control exerted by this or that factor. The method of determination of the regulating factors consists in experimental determination of the real SCs for factors and the biomass and in calculating on this basis the corresponding ideal SCs for constant factor transformation coefficients. The ideal SCs are shown to add up to an integer value, a constraint that we call "quantization" relationships. Such relationships are used to test the completeness of the drawn list of control factors. The proposed method was applied to our own and literature data.

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

Доп.точки доступа:
Adamovich, V.V.; Rogozin, D.Yu.; Degermendzhi, A.G.

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241Am distribution in the biomass of freshwater macrophytes / T. A. Zotina [et al.] // Doklady Biological Sciences. - 2008. - Vol. 421, Is. 1. - P254-256, DOI 10.1134/S0012496608040108 . - ISSN 0012-4966
Кл.слова (ненормированные):
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

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

Доп.точки доступа:
Zotina, T.A.; Kalachova, G.S.; Bolsunovsky, A.Ya.; Degermendzhy, A.G.

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The "quantization" of sensitivity coefficients is preserved in microbial populations heterogeneous with respect to growth rate and age / V. M. Nekrasov, A. V. Chernychev, A. G. Degermendzhy // Doklady Biological Sciences. - 2006. - Vol. 406, Is. 1-6. - P91-93, DOI 10.1134/S0012496606010261 . - ISSN 0012-4966
Кл.слова (ненормированные):
algorithm -- article -- bacterium -- biodiversity -- growth, development and aging -- population dynamics -- theoretical model -- time -- Algorithms -- Bacteria -- Biodiversity -- Models, Theoretical -- Population Dynamics -- Time Factors

Scopus
Держатели документа:
Institute of Chemical Kinetics and Combustion, Siberian Division, Russian Academy of Sciences, Institutskaya ul. 3, Novosibirsk, 630090, Russian Federation
Institute of Biophysics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Nekrasov, V.M.; Chernychev, A.V.; Degermendzhy, A.G.

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Self-restoration as fundamental property of CES providing their sustainability / I. I. Gitelson, A. G. Degermendzhy, E. K. Rodicheva // Advances in Space Research. - 2003. - Vol. 31, Is. 7. - P1641-1648, DOI 10.1016/S0273-1177(03)00111-X . - ISSN 0273-1177
Кл.слова (ненормированные):
Biocatalysts -- Ecosystems -- Genes -- Life support systems (spacecraft) -- Radiation damage -- Cell populations -- Space flight -- space shuttle -- article -- biological model -- biomass -- cell division -- Chlorella -- cytology -- growth, development and aging -- microclimate -- radiation exposure -- radiation response -- ultraviolet radiation -- Biomass -- Cell Division -- Chlorella -- Dose-Response Relationship, Radiation -- Ecological Systems, Closed -- Life Support Systems -- Models, Biological -- Ultraviolet Rays
Аннотация: Sustainability is one of the most important criteria and evaluation of human life support systems intended for use during long space flights. The common feature of biological and physicochemical life support systems is that basically they are both catalytic. But there are two fundamental properties distinguishing biological systems: 1) they are auto-catalytic: their catalysts - enzymes of protein nature - are continuously reproduced when the system functions; 2) the program of every process performed by enzymes and the program of their reproduction are inherent in the biological system itself - in the totality of genomes of the species involved in the functioning of the ecosystem. Actually, one cell with the genome capable of the phenotypic realization is enough for the self-restoration of the function performed by the cells of this species in the ecosystem. The continuous microalgal culture of Chlorella vulgaris was taken to investigate quantitatively the process of self-restoration in unicellular algae population. Based on the data obtained, we proposed a mathematical model of the restoration process in a cell population that has suffered an acute radiation damage. В© 2003 COSPAR. Published by Elsevier Science Ltd. All rights reserved.

Scopus
Держатели документа:
Institute of Biophysics, SB RAS, Krasnoyarsk 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Gitelson, I.I.; Degermendzhy, A.G.; Rodicheva, E.K.

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Physiological and biochemical characteristics and capacity for polyhydroxyalkanoates synthesis in a glucose-utilizing strain of hydrogen-oxidizing bacteria, Ralstonia eutropha B8562 / T. G. Volova [и др.] // Mikrobiologiya. - 2005. - Vol. 74, Is. 6. - С. 788-794 . - ISSN 0026-3656
Кл.слова (ненормированные):
Glucose-utilizing strain -- Hydrogen-oxidizing bacteria -- Polyhydroxyalkanoates -- Synthesis -- Bacteria (microorganisms) -- Cupriavidus necator -- bacterial RNA -- glucose -- hydrogen -- hydroxybutyric acid -- polymer -- RNA 16S -- article -- culture medium -- genetics -- growth, development and aging -- metabolism -- mutation -- oxidation reduction reaction -- physiology -- Wautersia eutropha -- Culture Media -- Cupriavidus necator -- Glucose -- Hydrogen -- Hydroxybutyrates -- Mutation -- Oxidation-Reduction -- Polymers -- RNA, Bacterial -- RNA, Ribosomal, 16S
Аннотация: The physiological, biochemical, genetic, and cultural characteristics of the glucose-utilizing mutant strain Ralstonia eutropha B8562 were investigated in comparison with the parent strain R. eutropha B5786. The morphological, cultural, and biochemical characteristics of strain R. eutropha B8562 were similar to those of strain R. eutropha B5786. Genetic analysis revealed differences between the 16S rRNA gene sequences of these strains. The growth characteristics of the mutant using glucose as the sole carbon and energy source were comparable with those of the parent strain grown on fructose. Strain B8562 was characterized by high yields of polyhydroxyalkanoate (PHA) from different carbon sources (CO 2, fructose, and glucose). In batch culture with glucose under nitrogen limitation, PHA accumulation reached 90% of dry weight. In PHA, ?-hydroxybutyrate was predominant (over 99 mol %); ?-hydroxyvalerate (0.25-0.72 mol %) and ?-hydroxyhexanoate (0.008-1.5 mol %) were present as minor components. The strain has prospects as a PHA producer on glucose-containing media.

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

Доп.точки доступа:
Volova, T.G.; Kozhevnikov, I.V.; Dolgopolova, Yu.B.; Trusova, M.Yu.; Kalacheva, G.S.; Aref'eva, Yu.V.

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Study of Ralstonia eutropha culture producing polyhydroxyalkanoates on products of coal processing / T. G. Volova, N. A. Voinov // Prikladnaia biokhimiia i mikrobiologiia. - 2004. - Vol. 40, Is. 3. - С. 296-300 . - ISSN 0555-1099
Кл.слова (ненормированные):
carbon monoxide -- coal -- polyester -- antibiotic resistance -- article -- culture medium -- enzyme specificity -- gas -- growth, development and aging -- metabolism -- microbiology -- Wautersia eutropha -- Carbon Monoxide -- Coal -- Culture Media -- Cupriavidus necator -- Drug Resistance, Microbial -- Gases -- Polyesters -- Substrate Specificity
Аннотация: Kinetic indices of growth, polyhydroxyalkanoate (PHA) accumulation, and gas exchange have been studied in a culture of the carbon monoxide-resistant hydrogen strain Ralstonia eutropha B-5786 grown on a gaseous substrate (GS) obtained by lignite gasification. The GS was shown to be suitable for PHA production. To increase the degree of GS consumption, various modes of gas supply to the culture were tested. Based on the results, an algorithm was developed for calculating and controlling gas-exchange parameters in the PHA-accumulating culture of Ralstonia eutropha, grown on a new GS allowing high polymer yields (up to 75%) and degrees of the substrate utilization (up to 90%).

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

Доп.точки доступа:
Volova, T.G.; Voinov, N.A.

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Dynamics of activity of the key enzymes of polyhydroxyalkanoate metabolism in Ralstonia eutropha / T. G. Volova [и др.] // Prikladnaia biokhimiia i mikrobiologiia. - 2004. - Vol. 40, Is. 2. - С. 201-209 . - ISSN 0555-1099
Кл.слова (ненормированные):
acetoacetyl coenzyme a reductase -- acetoacetyl-CoA reductase -- acetyl coenzyme A acyltransferase -- acyltransferase -- alcohol dehydrogenase -- carboxylesterase -- hydroxybutyrate dehydrogenase -- hydroxybutyric acid -- poly(3 hydroxyalkanoic acid) depolymerase -- poly(3-hydroxyalkanoic acid) depolymerase -- poly(3-hydroxyalkanoic acid) synthase -- polyhydroxyalkanoate synthase -- polymer -- article -- chemistry -- comparative study -- culture medium -- enzymology -- growth, development and aging -- metabolism -- Wautersia eutropha -- Acetyl-CoA C-Acyltransferase -- Acyltransferases -- Alcohol Oxidoreductases -- Carboxylic Ester Hydrolases -- Culture Media -- Cupriavidus necator -- Hydroxybutyrate Dehydrogenase -- Hydroxybutyrates -- Polymers
Аннотация: The dynamics of accumulation of polyhydroxybutyrate (PHB) and the activities of the key enzymes of PHB metabolism (beta-ketothiolase, acetoacetyl-CoA reductase, PHA synthase, D-hydroxybutyrate dehydrogenase, and PHA depolymerase) in the hydrogen bacterium Ralstonia eutropha B5786 were studied under various conditions of carbon nutrition and substrate availability. The highest activities of beta-ketothiolase, acetoacetyl-CoA reductase, and PHA synthase were recorded at the stage of acceleration of PHB synthesis. The activities of enzymes catalyzing PHB depolymerization (PHB depolymerase and D-hydroxybutyrate dehydrogenase) were low, being expressed only at stimulated endogenous PHB degradation. The change of carbon source (CO2 or fructose) did not cause any marked changes in the time course of enzyme activity.

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

Доп.точки доступа:
Volova, T.G.; Kalacheva, G.S.; Gorbunova, O.V.; Zhila, N.O.

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Kinetic parameters of a culture of the hydrogen-oxidizing Ralstonia eutropha, grown under the regimen of biosynthesis of polyhydroxybutyrate / T. G. Volova, N. A. Voinov // Prikladnaia biokhimiia i mikrobiologiia. - 2003. - Vol. 39, Is. 2. - С. 189-193 . - ISSN 0555-1099
Кл.слова (ненормированные):
hydrogen -- hydroxybutyric acid -- polyester -- article -- culture medium -- enzyme specificity -- growth, development and aging -- kinetics -- metabolism -- oxidation reduction reaction -- temperature -- Wautersia eutropha -- Culture Media -- Cupriavidus necator -- Hydrogen -- Hydroxybutyrates -- Kinetics -- Oxidation-Reduction -- Polyesters -- Substrate Specificity -- Temperature
Аннотация: Kinetic parameters of a culture of the hydrogen-oxidizing bacterium Ralstonia eutropha, grown on a gas substrate under the conditions favoring autotrophic biosynthesis of polyhydroxybutyrate, were studied. The following parameters, making it possible to control and optimize the process in industrial situations, were determined: specific rate of substrate consumption, physical properties of culture medium, and coefficients of heat emission and mass transfer.

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

Доп.точки доступа:
Volova, T.G.; Voinov, N.A.

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10.

The effect of temperature on the lipid composition of Botryococcus / G. S. Kalacheva [и др.] // Mikrobiologiya. - 2002. - Vol. 71, Is. 3. - С. 336-344 . - ISSN 0026-3656
Кл.слова (ненормированные):
fatty acid -- lipid -- triacylglycerol -- article -- biosynthesis -- chemistry -- comparative study -- green alga -- growth, development and aging -- metabolism -- temperature -- Algae, Green -- Fatty Acids -- Lipids -- Temperature -- Triglycerides
Аннотация: The lipid composition of the green alga Botryococcus was studied at three different cultivation temperatures: suboptimal, optimal, and supraoptimal. Cultivation at the supraoptimal temperature was found to considerably inhibit the synthesis of nearly all intracellular lipids, except for triacylglycerides, and to influence their fatty acid composition. In particular, the content of trienoic fatty acids was significantly lower at the supraoptimal than at the optimal cultivation temperature. At the same time, the fatty acid composition of the extracellular lipids of the alga virtually did not depend on cultivation temperature.

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

Доп.точки доступа:
Kalacheva, G.S.; Zhila, N.O.; Volova, T.G.; Gladyshev, M.I.

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11.

Lipids of the green alga Botryococcus cultured in a batch mode / G. S. Kalacheva, N. O. Zhila, T. G. Volova // Microbiology. - 2001. - Vol. 70, Is. 3. - P256-262 . - ISSN 0026-2617
Кл.слова (ненормированные):
Batch culture -- Botryococcus braunii -- Fatty acids -- Lipids
Аннотация: The lipid fraction of the green alga Botryococcus cultured in a batch mode was found to contain polar lipids (more than 50% of the total lipids), di- and triacylglycerols, sterols and their esters, free fatty acids, and hydrocarbons. In aging culture, the content of polar lipids somewhat decreased and that of triacylglycerols increased by more than four times. The content of hydrocarbons in the algal biomass did not exceed 0.9% and depended little on the culture age. Intracellular lipids contained saturated and unsaturated (mono-, di-, and trienoic) fatty acids. The maximum content of C16:3 and ?-C18:3 fatty acids (up to 35% of the total fatty acids) was detected in the phase of active growth. The extracellular and intracellular lipids of the alga differed in the proportion of particular lipids and in the fatty acid pattern. В© 2001 MAIK "Nauka/Interperiodica".

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

Доп.точки доступа:
Kalacheva, G.S.; Zhila, N.O.; Volova, T.G.

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12.

The autotrophic synthesis of polyhydroxyalkanoate by alcaligenes eutrophus in the presence of carbon monoxide / T. G. Volova, G. S. Kalacheva, O. V. Altukhova // Mikrobiologiya. - 2001. - Vol. 70, Is. 6. - С. 745-752 . - ISSN 0026-3656
Кл.слова (ненормированные):
CO inhibition -- Hydrogen-oxidizing bacteria -- Polyhydroxyalkanoates (PHAs) -- Synthesis -- alkane -- carbon monoxide -- fatty acid -- hydroxyacid -- lipid -- nitrogen -- polyester -- article -- chemistry -- culture medium -- drug antagonism -- growth, development and aging -- mass spectrometry -- metabolism -- Wautersia eutropha -- Alkanes -- Carbon Monoxide -- Culture Media -- Cupriavidus necator -- Fatty Acids -- Hydroxy Acids -- Lipids -- Mass Spectrometry -- Nitrogen -- Polyesters
Аннотация: The CO-resistant strain B5786 of the hydrogen-oxidizing bacterium Alcaligenes eutrophus was found to be able to synthesize polyhydroxyalkanoates (PHAs) under the conditions of growth limitation by nitrogen deficiency (the factor that promotes PHA synthesis) and growth inhibition by carbon monoxide. The gas mixtures that contained from 5 to 20 vol % CO did not inhibit the key enzymes of PHA synthesis-?-ketothiolase, acetoacetyl-CoA reductase, hydroxybutyrate dehydrogenase, and PHA synthase. In the presence of CO, cells accumulated up to 70-75 wt % PHA (with respect to the dry biomass) without any noticeable increase in the consumption of the gas substrate. Chromatographic-mass spectrometric analysis showed that the PHA synthesized by A. eutrophus is a copolymer containing more than 99 mol % ?-hydroxybutyrate and trace amounts of ?-hydroxyvalerate. The PHA synthesized under the conditions described did not differ from that synthesized by A. eutrophus cells from electrolytic hydrogen.

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

Доп.точки доступа:
Volova, T.G.; Kalacheva, G.S.; Altukhova, O.V.

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13.

Efficiency of transfer of essential polyunsaturated fatty acids versus organic carbon from producers to consumers in a eutrophic reservoir / M. I. Gladyshev [et al.] // Oecologia. - 2011. - Vol. 165, Is. 2. - P521-531, DOI 10.1007/s00442-010-1843-6 . - ISSN 0029-8549
Кл.слова (ненормированные):
Phytoplankton -- Production -- PUFA -- Trophic level -- Zooplankton -- carbon -- fresh water -- unsaturated fatty acid -- biomass -- eutrophic environment -- fatty acid -- net primary production -- organic carbon -- paradigm shift -- phytoplankton -- reservoir -- secondary production -- trophic level -- zooplankton -- animal -- article -- eutrophication -- food chain -- functional food -- growth, development and aging -- metabolism -- phytoplankton -- season -- zooplankton -- Animals -- Carbon -- Eutrophication -- Fatty Acids, Unsaturated -- Food Chain -- Fresh Water -- Functional Food -- Phytoplankton -- Seasons -- Zooplankton -- Animalia
Аннотация: One of the central paradigms of ecology is that only about 10% of organic carbon production of one trophic level is incorporated into new biomass of organisms of the next trophic level. Many of energy-yielding compounds of carbon are designated as 'essential', because they cannot be synthesized de novo by consumers and must be obtained with food, while they play important structural and regulatory functions. The question arises: are the essential compounds transferred through trophic chains with the same efficiency as bulk carbon? To answer this question, we measured gross primary production of phytoplankton and secondary production of zooplankton and content of organic carbon and essential polyunsaturated fatty acids of ?-3 family with 18-22 carbon atoms (PUFA) in the biomass of phytoplankton and zooplankton in a small eutrophic reservoir during two summers. Transfer efficiency between the two trophic levels, phytoplankton (producers) and zooplankton (consumers), was calculated as ratio of the primary production versus the secondary (zooplankton) production for both carbon and PUFA. We found that the essential PUFA were transferred from the producers to the primary consumers with about twice higher efficiency than bulk carbon. In contrast, polyunsaturated fatty acids with 16 carbon atoms, which are synthesized exclusively by phytoplankton, but are not essential for animals, had significantly lower transfer efficiency than both bulk carbon, and essential PUFA. Thus, the trophic pyramid concept, which implicitly implies that all the energy-yielding compounds of carbon are transferred from one trophic level to the next with the same efficiency of about on average 10%, should be specified for different carbon compounds. В© 2010 Springer-Verlag.

Scopus
Держатели документа:
Institute of Biophysics of Siberian Branch of Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Siberian Federal University, Svobodny av. 79, Krasnoyarsk 660041, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Gladyshev, M.I.; Sushchik, N.N.; Anishchenko, O.V.; Makhutova, O.N.; Kolmakov, V.I.; Kalachova, G.S.; Kolmakova, A.A.; Dubovskaya, O.P.

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14.

Non-predatory mortality indices of cladoceran zooplankton in the pelagial and littoral of a shallow meso-eutrophic lake / O. P. Dubovskaya [et al.] // Doklady Biological Sciences. - 2007. - Vol. 416, Is. 1-6. - P391-393, DOI 10.1134/S0012496607050201 . - ISSN 0012-4966
Кл.слова (ненормированные):
animal -- article -- biological model -- ecology -- ecosystem -- environment -- growth, development and aging -- metabolism -- physiology -- river -- Russian Federation -- species difference -- zooplankton -- Animals -- Ecology -- Ecosystem -- Environment -- Models, Biological -- Rivers -- Russia -- Species Specificity -- Zooplankton

Scopus
Держатели документа:
Institute of Biophysics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation
Institute of Zoology, Belarussian Academy of Sciences, ul. F. Skoriny 27, Minsk 220072, Belarus
Siberian Federal University, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Dubovskaya, O.P.; Semenchenko, V.P.; Gladyshev, M.I.; Buseva, J.F.; Razlutskij, V.I.

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15.

Species-specific stimulation of cyanobacteria by silver carp Hypophthalmichthys molitrix (Val.) / V. I. Kolmakov [et al.] // Doklady Biological Sciences. - 2006. - Vol. 408, Is. 1. - P223-225, DOI 10.1134/S0012496606030069 . - ISSN 0012-4966
Кл.слова (ненормированные):
animal -- article -- carp -- Cyanobacterium -- growth, development and aging -- microbiology -- species difference -- Animals -- Carps -- Cyanobacteria -- Species Specificity -- Cyanobacteria -- Cyprinus carpio -- Hypophthalmichthys molitrix -- Hypophthalmichthys nobilis

Scopus
Держатели документа:
Krasnoyarsk State University, Krasnoyarsk, 660062, Russian Federation
Institute of Biophysics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Krasnoyarsk State Agricultural University, pr. Mira 88, Krasnoyarsk, 660049, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Kolmakov, V.I.; Gladyshev, M.I.; Kravchuk, E.S.; Chuprov, S.M.; Anishchenko, O.V.; Ivanova, E.A.; Trusova, M.Yu.

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16.

Circadian rhythms of feeding with microalgae of Ceriodaphnia quadrangula in laboratory culture / V. I. Kolmakov [и др.] // Biofizika. - 2002. - Vol. 47, Is. 4. - С. 673-676 . - ISSN 0006-3029
Кл.слова (ненормированные):
chlorophyll -- alga -- animal -- article -- chemistry -- circadian rhythm -- Crustacea -- fluorometry -- growth, development and aging -- photoperiodicity -- physiology -- Algae -- Animals -- Chlorophyll -- Circadian Rhythm -- Crustacea -- Fluorometry -- Photoperiod
Аннотация: The circadian rhythm of grazing of microalgae by a laboratory culture of Ceriodaphnia quadrangula under continuous illumination was studied by continuous registration of chlorophyll fluorescence at the outlet of a flow-through cultivator. A culture of green alga Chlorella vulgaris was used as a feed. The data obtained were treated by the statistical spectral analysis. It was found that animals preliminarily grown under a 12 h light: 12 h dark regime and transferred to constant light showed two maxima in the circadian rhythm of grazing with periods of 0.7 and 1.1 h. Animals preliminarily grown under constant light showed no circadian rhythm of grazing. It was concluded that the circadian rhythm of grazing of C. quadrangula has endogenous nature and can change according to light conditions.

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

Доп.точки доступа:
Kolmakov, V.I.; Levin, L.A.; Dubovskaia, O.P.; Gladyshev, M.I.

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17.

Experimental study of postwintering germination of akinetes and dormant cells of cyanoprocaryotes from bottom sediments of blooming and nonblooming ponds. / M. I. Gladyshev [et al.] // Doklady Biological Sciences. - 2002. - Vol. 383, Is. 1-6. - P131-132 . - ISSN 0012-4966
Кл.слова (ненормированные):
fresh water -- article -- Cyanobacterium -- cytology -- growth, development and aging -- microbiology -- physiology -- season -- Cyanobacteria -- Fresh Water -- Seasons -- Water Microbiology

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

Доп.точки доступа:
Gladyshev, M.I.; Kravchuk, E.S.; Kolmakov, V.I.; Ivanova, E.A.; Trusova, M.Y.; Sushchik, N.N.; Gribovskaya, I.V.

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18.

Secretion of free fatty acids by prokaryotic and eukaryotic algae at optimal, supraoptimal, and suboptimal growth temperatures / N. N. Sushchik, G. S. Kalacheva, M. I. Gladyshev // Mikrobiologiya. - 2001. - Vol. 70, Is. 5. - С. 629-635 . - ISSN 0026-3656
Кл.слова (ненормированные):
Free fatty acids -- Microalgae -- Secretion -- fatty acid -- article -- chemistry -- Chlorella -- Cyanobacterium -- cytology -- extracellular space -- growth, development and aging -- intracellular fluid -- temperature -- Chlorella -- Cyanobacteria -- English Abstract -- Extracellular Space -- Fatty Acids, Nonesterified -- Intracellular Fluid -- Temperature
Аннотация: Abstract-The paper describes the composition of extracellular free fatty acids (FFAs) and intracellular fatty acids (FAs) in the enrichment cultures of the prokaryotic alga Spirulina platensis and the eukaryotic alga Chlorella vulgaris grown at optimal, supraoptimal, and suboptimal growth temperatures. With increasing growth temperature, the degree of unsaturation of the intracellular FAs of both algae decreased, while that of the extracellular FFAs of 5. platensis increased. The composition of the extracellular FFAs of C. vulgaris practically did not depend on the growth temperature.

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

Доп.точки доступа:
Sushchik, N.N.; Kalacheva, G.S.; Gladyshev, M.I.

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19.

Growth and survival of cyanobacteria in water from blooming and nonblooming ponds under experimental conditions. / M. I. Gladyshev [et al.] // Doklady Biological Sciences. - 2000. - Vol. 375. - P607-609 . - ISSN 0012-4966
Кл.слова (ненормированные):
chlorophyll -- fresh water -- phosphorus -- Anabaena -- Arctic -- article -- biomass -- comparative study -- Cyanobacterium -- growth, development and aging -- microbiology -- pH -- plant -- Russian Federation -- season -- Anabaena -- Arctic Regions -- Biomass -- Chlorophyll -- Cyanobacteria -- Fresh Water -- Hydrogen-Ion Concentration -- Phosphorus -- Plants -- Russia -- Seasons

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

Доп.точки доступа:
Gladyshev, M.I.; Kolmakov, V.I.; Kravchuk, E.S.; Ivanova, E.A.; Trusova, M.Y.; Gribovskaya, I.V.; Zhilenkov, M.D.

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20.

The microalgal food spectrum of Daphnia longispina during the algal bloom of an eutrophic water body. / M. I. Gladyshev [et al.] // Doklady Biological Sciences. - 2000. - Vol. 371, Is. 1-6. - P179-181 . - ISSN 0012-4966
Кл.слова (ненормированные):
alga -- animal -- article -- biomass -- Daphnia -- ecosystem -- food chain -- growth, development and aging -- microbiology -- plankton -- zooplankton -- Algae -- Animals -- Biomass -- Daphnia -- Ecosystem -- Food Chain -- Plankton -- Water Microbiology -- Zooplankton

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

Доп.точки доступа:
Gladyshev, M.I.; Kolmakov, V.I.; Dubovskaya, O.P.; Ivanova, E.A.

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