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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Mogilnaya O. A., Ronzhin N. O., Bondar V. S.
Заглавие : Comparative evaluation of total peroxidase and catalase activities during light emission of luminous fungus Neonothopanus nambi
Место публикации : Mycosphere: Guizhou Key Laboratory of Agricultural Biotechnology, 2016. - Vol. 7, Is. 4. - С. 499-510. - ISSN 20777000 (ISSN) , DOI 10.5943/mycosphere/7/4/9
Ключевые слова (''Своб.индексиров.''): basidiomycetes--hydrogen peroxide--luminescence--stress
Аннотация: Submerged cultivation of luminous fungus Neonothopanus nambi under orbital stirring causes formation of pellets with smooth or rough surfaces. The experiments showed that luminescence of the pellets washed in water increased considerably. Previous studies suggested possible participation of peroxidases in the light emitting reaction. In this study, oxidative azo coupling reaction accompanied by formation of chromogen was used to evaluate peroxidase activity in vivo, in brightly luminescent pellets and in pellets with low luminescence intensity (dim ones). Staining of the brightly luminescent pellets took a few minutes, and their staining intensity was several times higher than that of the dim pellets. From the results of in vivo experiments it was concluded that the bright pellets differed from the dim ones in the production of hydrogen peroxide, or, possibly, other peroxides. Measurements of total peroxidase and catalase activities in pellet extracts also showed an increase in enzyme activities along with an increase in luminescence intensity of native pellets. However, results of the in vitro experiments do not definitively suggest a direct relationship between luminescence and activity of these enzymes. We assume that luminescence of this fungal species may be an additional way to neutralize peroxide compounds under stress. © Guizhou Academy of Agricultural Sciences.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Mogil'naya, O. A., Ronzhin, N. O., Medvedeva, S. E., Bondar', V. S.
Заглавие : Total peroxidase and catalase activity of luminous basidiomycetes Armillaria borealis and Neonothopanus nambi in comparison with the level of light emission
Колич.характеристики :6 с
Коллективы : Siberian Branch of the Russian Academy of Sciences [71]
Место публикации : Appl. Biochem. Microbiol.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2015. - Vol. 51, Is. 4. - С. 419-424. - ISSN 0003-6838, DOI 10.1134/S0003683815040110. - ISSN 1573-8183(eISSN)
Примечания : Cited References:35. - The authors are grateful to N. V. Psurtseva (curator of the collection of basidiomycetes of the Botanical Institute, Russian Academy of Science) for help with the species affiliation of the IBSO 2328 culture. This work was supported by the Program of Interdisciplinary Projects of the Siberian Branch of the Russian Academy of Sciences, project no. 71.
Предметные рубрики: OXIDATIVE STRESS
SYSTEM
FUNGI
BIOLUMINESCENCE
LUMINESCENCE
Ключевые слова (''Своб.индексиров.''): basidiomycetes--luminescence--peroxidase--catalase
Аннотация: The peroxidase and catalase activities in the mycelium of luminous basidiomycetes Armillaria borealis and Neonothopanus nambi in normal conditions and under stress were compared. An increase in the luminescence level was observed under stress, as well as an increase in peroxidase and catalase activities. Moreover, the peroxidase activity in extracts of A. borealis mycelium was found to be almost one and a half orders of magnitude lower, and the catalase activity more than two orders of magnitude higher in comparison with the N. nambi mycelium. It can be suggested that the difference between the brightly luminescent and dimly luminescent mycelium of N. nambi is due to the content of (HO2)-O-2 or other peroxide compounds.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Sarangova A.B., Somova L.A., Pechurkin N.S.
Заглавие : On monitoring the bacterial component as an indicator of the state of small man-made ecosystems
Колич.характеристики :5 с
Место публикации : SPACE LIFE SCIENCES: CLOSED ECOLOGICAL SYSTEMS: EARTH AND SPACE APPLICATIONS. Ser. ADVANCES IN SPACE RESEARCH: ELSEVIER SCIENCE BV, 2001. - Vol. 27: F4 4 Symposium of COSPAR Scientific Commission F held at the 33rd COSPAR Scientific Assembly (JUL, 2000, WARSAW, POLAND), Is. 9. - P1605-1609. - ISBN 0273-1177, DOI 10.1016/S0273-1177(01)00256-3
Примечания : Cited References: 16
Аннотация: High reproduction rates make the bacterial component of ecosystems a good indicator of the state of the system on the whole. This determines the necessity to develop rapid monitoring of the functional state of the bacterial component of small ecosystems. Information about substrate concentration in the population is indicative of the state of the bacterial culture. Conventional methods of monitoring the concentration of integral substrate in the system take time much longer than the changes in the ecosystem. The paper presents theoretical foundations for the logical sequence "catalase activity - intracellular substrate concentration - estimate of substrate consumed by bacteria" for experimental verification and as a consequence of development of the integral method of monitoring the bacterial population on the basis of determining bacterial catalase activity. (C) 2001 COSPAR. Published by Elsevier Science Ltd. All rights reserved.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Pande, Shubhra, Ranjan, Rajeev, Ryazanova, Maria, Shuvaev, Anton N., Salmina, Alla B., Kratasyuk, Valentina A.
Заглавие : Buckwheat-enriched diet alleviates bisphenol A mediated oxidative stress via modulation of sirtuin 1 and antioxidant status in experimental rats
Колич.характеристики :8 с
Коллективы : Ministry of Science and Higher Education of the Russian Federation [FSRZ-2020-0006]; Russian Ministry of Education, Post-Doctoral Program of Project "5-100" [M 2.2.3]
Место публикации : Food Chem.: ELSEVIER SCI LTD, 2022. - Vol. 373. - Ст.131507. - ISSN 0308-8146, DOI 10.1016/j.foodchem.2021.131507. - ISSN 1873-7072(eISSN)
Примечания : Cited References:36. - The research was supported by the Ministry of Science and Higher Education of the Russian Federation (Grant no. FSRZ-2020-0006) and Russian Ministry of Education, Post-Doctoral Program of Project "5-100" [Grant No. M 2.2.3]. Authors profusely thank R. Sabirzyanov and I.A. Denisov for the needful in the arrangement of ultrapure BPA.
Предметные рубрики: TRANSCRIPTION
TOXICITY
EXTRACT
FIBER
Аннотация: Present study investigated effect of dietary buckwheat in alleviating bisphenol A (BPA) mediated oxidative stress, concomitant sirtuin1 levels in serum, stomach, and liver of rats. Experimental group A and B ingested standard diet, C and D consumed buckwheat (30%); group A and C drank normal water, B and C had BPA contamination (10 mg L 1). Sirtuin1 mean B/A ratio nearing unity in all tissues reveals inertness of BPA towards sirtuin1. Dietary buckwheat improved sirtuin1 levels both in normal (mean C/A ratio of serum, 1.65; liver, 1.24; stomach, 1.78) and BPA fed state (mean D/B ratio of serum, 1.9; liver, 1.26; stomach, 1.75). Buckwheat augmented antioxidant status in BPA fed rats as seen in mean D/B ratio of serum (catalase, 2.4; glutathione reductase (GR), 1.33; Thiols, 1.2), liver (catalase, 2; GR, 2.5; Thiols, 1.36) and stomach (catalase, 1.31; GR, 1.5; Thiols, 1.33). Therefore, buckwheat counters BPA-led oxidative stress and modulates sirtuin1.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kratasyuk, Valentina A., Stepanova, Lyudmila, V, Ranjan, Rajeev, Sutormin, Oleg S., Pande, Shubhra, Zhukova, Galina, V, Miller, Olga M., Maznyak, Natalya, V, Kolenchukova, Oksana A.
Заглавие : A noninvasive and qualitative bioluminescent assay for express diagnostics of athletes' responses to physical exertion
Колич.характеристики :7 с
Коллективы : Ministry of Science and Higher Education of the Russian Federation [FSRZ-2020-0006]; Krasnoyarsk Regional Foundation of Science [KF-537]
Место публикации : Luminescence: WILEY, 2020. - Article in press. - ISSN 1522-7235, DOI 10.1002/bio.3954. - ISSN 1522-7243(eISSN)
Примечания : Cited References:33. - The Ministry of Science and Higher Education of the Russian Federation, Grant/Award Number: FSRZ-2020-0006; Krasnoyarsk Regional Foundation of Science, Grant/Award Number: KF-537
Предметные рубрики: SALIVARY BIOMARKERS
EXERCISE
Аннотация: Upcoming professional sports authorities seek rapid noninvasive biosensing tools for regular monitoring of athletes' physiological states. The analysis of saliva through luminescence-based biosensors has been perceived as a suitable candidate for such purposes. The present study reports a qualitative bioluminescence assay based on a coupled enzyme system that consists of bacterial luciferase (BLuc) and nicotinamide adenine dinucleotide (NADH):flavin mononucleotide (FMN) oxidoreductase (Red), BLuc-Red, for the express diagnostics of athletes' stress levels before and after physical exertion. The volunteers who participated in the study were grouped as freestyle wrestlers and students who adapted to different levels of physical activities. Under physical exertion modelling conditions, the influence of participant saliva on BLuc-Red catalyzed light emission was investigated. Results showed a significant increase in residual luminescence (I-exp, mean maximum bioluminescence intensity of the experimental measurement (I-exp); I-c, luminescence intensity in control; I-exp/I-c, %) values for participants in the wrestler group while a decrease in the student group (P 0.05). Such contrasting residual luminescence values in both groups were found to be dependent on the catalase activity of saliva. The proposed bioluminescence assay can be utilized as a potential nonspecific biosensing tool for determining the physical state of athletes under high loads.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Vereshchagina K. P., Lubyaga Y. A., Shatilina Z., Bedulina D., Gurkov A., Axenov-Gribanov D. V., Baduev B., Kondrateva E. S., Gubanov M., Zadereev E., Sokolova I., Timofeyev M.
Заглавие : Salinity modulates thermotolerance, energy metabolism and stress response in amphipods Gammarus lacustris
Место публикации : PeerJ: PeerJ Inc., 2016. - Vol. 2016, Is. 11. - ISSN 21678359 (ISSN) , DOI 10.7717/peerj.2657
Ключевые слова (''Своб.индексиров.''): adaptation--amphipoda--gammarus lacustris--salinity--thermal tolerance
Аннотация: Temperature and salinity are important abiotic factors for aquatic invertebrates. We investigated the influence of different salinity regimes on thermotolerance, energy metabolism and cellular stress defense mechanisms in amphipods Gammarus lacustris Sars from two populations. We exposed amphipods to different thermal scenarios and determined their survival as well as activity of major antioxidant enzymes (peroxidase, catalase, glutathione S-transferase) and parameters of energy metabolism (content of glucose, glycogen, ATP, ADP, AMP and lactate). Amphipods from a freshwater population were more sensitive to the thermal challenge, showing higher mortality during acute and gradual temperature change compared to their counterparts from a saline lake. A more thermotolerant population from a saline lake had high activity of antioxidant enzymes. The energy limitations of the freshwater population (indicated by low baseline glucose levels, downward shift of the critical temperature of aerobic metabolism and inability to maintain steady-state ATP levels during warming) was ob- served, possibly reflecting a trade-off between the energy demands for osmoregulation under the hypo-osmotic condition of a freshwater environment and protection against temperature stress. © 2016 Vereshchagina et al.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Sarangova A.B., Somova L.A.
Заглавие : A new enzymatic technique to estimate the efficiency of microbial degradation of pollutants
Колич.характеристики :4 с
Место публикации : LIFE SCIENCES: LIFE SUPPORT SYSTEMS STUDIES-I. Ser. ADVANCES IN SPACE RESEARCH: PERGAMON PRESS LTD, 1997. - Vol. 20: F4.6, F4.8, F4.2 and F4.9 Symposia of COSPAR Scientific Commission F on Life Sciences - Life Support System Studies-I, at the 31st COSPAR Scientific Assembly (JUL 14-SEP 21, 1996, BIRMINGHAM, ENGLAND), Is. 10. - P2049-2052. - ISBN 0273-1177, DOI 10.1016/S0273-1177(97)00940-X. - ISBN 0-08-043307-3
Примечания : Cited References: 4
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. (C) 1997 COSPAR. Published by Elsevier Science Ltd.
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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) : Sarangova A.B., Somova L.A., Pechurkin N.S.
Заглавие : On monitoring the bacterial component as an indicator of the state of small man-made ecosystems
Место публикации : Advances in Space Research. - 2001. - Vol. 27, Is. 9. - С. 1605-1609. - ISSN 02731177 (ISSN) , DOI 10.1016/S0273-1177(01)00256-3
Ключевые слова (''Своб.индексиров.''): bacteria--ecosystems--substrates--intracellular substrate concentration--space research--catalase--oxidoreductase--artificial ecosystem--article--bacterial phenomena and functions--biomass--culture medium--ecosystem--enzymology--growth, development and aging--metabolism--microbiology--oxygen consumption--pseudomonas--bacterial physiology--biomass--catalase--culture media--ecosystem--oxidoreductases--oxygen consumption--pseudomonas--water microbiology
Аннотация: High reproduction rates make the bacterial component of ecosystems a good indicator of the state of the system on the whole. This determines the necessity to develop rapid monitoring of the functional state of the bacterial component of small ecosystems. Information about substrate concentration in the population is indicative of the state of the bacterial culture. Conventional methods of monitoring the concentration of integral substrate in the system take time much longer than the changes in the ecosystem. The paper presents theoretical foundations for the logical sequence "catalase activity - intracellular substrate concentration - estimate of substrate consumed by bacteria" for experimental verification and as a consequence of development of the integral method of monitoring the bacterial population on the basis of determining bacterial catalase activity. В© 2001 COSPAR. Published by Elsevier Science Ltd. All rights reserved.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shatilina Z.M., Gubanov M.V., Zadereev E.S., Pavlichenko V.V., Axenov-Gribanov D.V., Sapozhnikova E.A., Protopopova M.V., Bedulina D.S., Timofeyev M.A.
Заглавие : Comparative study of Thermoresistances' cellular mechanisms in representatives of the Gammarus lacustris Sars populations inhabiting Saline Lake Shira (Republic of Khakassia) and a fresh water body in the Cis-Baikal region
Место публикации : Doklady Biological Sciences. - 2010. - Vol. 434, Is. 1. - С. 359-362. - ISSN 00124966 (ISSN) , DOI 10.1134/S0012496610050182
Ключевые слова (''Своб.индексиров.''): antioxidant--catalase--fresh water--heat shock protein 70--reactive oxygen metabolite--sea water--amphipoda--animal--article--biosynthesis--comparative study--ecosystem--heat--metabolism--russian federation--amphipoda--animals--antioxidants--catalase--ecosystem--fresh water--hot temperature--hsp70 heat-shock proteins--reactive oxygen species--seawater--siberia--gammarus--gammarus lacustris
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11.

Вид документа : Статья из сборника (однотомник)
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
Колич.характеристики :4 с
Место публикации : LIFE SCIENCES: LIFE SUPPORT SYSTEMS STUDIES-I. Ser. ADVANCES IN SPACE RESEARCH: PERGAMON PRESS LTD, 1997. - Vol. 20: F4.6, F4.8, F4.2 and F4.9 Symposia of COSPAR Scientific Commission F on Life Sciences - Life Support System Studies-I, at the 31st COSPAR Scientific Assembly (JUL 14-SEP 21, 1996, BIRMINGHAM, ENGLAND), Is. 10. - P1945-1948. - ISBN 0273-1177, DOI 10.1016/S0273-1177(97)00630-3. - ISBN 0-08-043307-3
Примечания : Cited References: 8
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. (C) 1997 COSPAR. Published by Elsevier Science Ltd.
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12.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Biel K.Y., Fomina I.R., Nazarova G.N., Soukhovolsky V.G., Khlebopros R.G., Nishio J.N.
Заглавие : Untangling metabolic and spatial interactions of stress tolerance in plants. 1. Patterns of carbon metabolism within leaves
Место публикации : Protoplasma. - 2010. - Vol. 245, Is. 1. - С. 49-73. - ISSN 0033183X (ISSN) , DOI 10.1007/s00709-010-0135-7
Ключевые слова (''Своб.индексиров.''): carbon metabolism--leaf anatomy--leaf form and function--maximal ecological utility--photosynthesis--stress tolerance spinacia oleracea--aspartate aminotransferase isoenzyme 1--bicarbonate--carbon--carbon dioxide--catalase--chlorophyll--malate dehydrogenase--oxygen--ribulosebisphosphate carboxylase--vegetable protein--article--enzymology--histology--light--metabolism--oxidation reduction reaction--photosynthesis--physiological stress--physiology--plant leaf--spinach--theoretical model--aspartate aminotransferase, cytoplasmic--bicarbonates--carbon--carbon dioxide--catalase--chlorophyll--light--malate dehydrogenase--models, theoretical--oxidation-reduction--oxygen--photosynthesis--plant leaves--plant proteins--ribulose-bisphosphate carboxylase--spinacia oleracea--stress, physiological--spinacia oleracea
Аннотация: The localization of the key photoreductive and oxidative processes and some stress-protective reactions within leaves of mesophytic C3 plants were investigated. The role of light in determining the profile of Rubisco, glutamate oxaloacetate transaminase, catalase, fumarase, and cytochrome-c-oxidase across spinach leaves was examined by exposing leaves to illumination on either the adaxial or abaxial leaf surfaces. Oxygen evolution in fresh paradermal leaf sections and CO2 gas exchange in whole leaves under adaxial or abaxial illumination was also examined. The results showed that the palisade mesophyll is responsible for the midday depression of photosynthesis in spinach leaves. The photosynthetic apparatus was more sensitive to the light environment than the respiratory apparatus. Additionally, examination of the paradermal leaf sections by optical microscopy allowed us to describe two new types of parenchyma in spinach-pirum mesophyll and pillow spongy mesophyll. A hypothesis that oxaloacetate may protect the upper leaf tissue from the destructive influence of active oxygen is presented. The application of mathematical modeling shows that the pattern of enzymatic distribution across leaves abides by the principle of maximal ecological utility. Light regulation of carbon metabolism across leaves is discussed. В© 2010 Springer-Verlag.
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13.

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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