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Microbial degradation of polyhydroxyalkanoates in tropical soils / A. N. Boyandin [et al.] // International Biodeterioration and Biodegradation. - 2013. - Vol. 83. - P77-84, DOI 10.1016/j.ibiod.2013.04.014 . - ISSN 0964-8305
Кл.слова (ненормированные):
Biopolymer properties -- Biopolymers -- PHA degrading microorganisms -- Polyhydroxyalkanoates (PHAs) -- Soil biodegradation -- 3-hydroxybutyric acid -- Degree of crystallinity -- Hydroxyalkanoic acids -- Microbial characteristics -- Microbial degradation -- Polyhydroxyalkanoates -- Polymer molecular mass -- Soil biodegradations -- Bacteriology -- Biomolecules -- Biopolymers -- Microorganisms -- Soils -- Tropics -- Biodegradation -- biodegradation -- chemical composition -- microbial activity -- microbial community -- molecular analysis -- organic compound -- polymer -- soil degradation -- soil microorganism -- tropical soil
Аннотация: The integrated study addressing biodegradation of microbial linear polyesters of hydroxyalkanoic acids (polyhydroxyalkanoates, PHAs) in tropical conditions by microbial communities of Vietnamese soils was performed in locations close to Hanoi and Nha Trang, which differed in their weather conditions and microbial communities. It shows that PHA degradation in tropical soils is influenced by polymer chemical composition, specimen shape, and microbial characteristics. The homopolymer of 3-hydroxybutyric acid is degraded at higher rates than the copolymer of 3-hydroxybutyric and 3-hydroxyvaleric acids. The average rates of mass loss were 0.04-0.33% per day for films and 0.02-0.18% for compact pellets. PHA degradation was accompanied by a decrease in the polymer molecular mass and, usually, an increase in the degree of crystallinity, suggesting preferential degradation of the amorphous phase. Under the study conditions, representatives of the bacterial genera Burkholderia, Bacillus, Cupriavidus, Mycobacterium, and Nocardiopsis and such micromycetes as Acremonium, Gongronella, Paecilomyces, and Penicillium, Trichoderma have been identified as major PHA degraders. В© 2013 Elsevier Ltd.

Scopus
Держатели документа:
Institute of Biophysics of Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, Russian Federation
The Joint Russian-Vietnam Tropical Research and Test Center, Hanoi, Viet Nam
Inst. of Chemical Biology and Fundamental Medicine, Siberian Branch of Russian Academy of Sciences, Novosibirsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Boyandin, A.N.; Prudnikova, S.V.; Karpov, V.A.; Ivonin, V.N.; D?, N.L.; Nguy?n, T.H.; Le, T.M.H.; Filichev, N.L.; Levin, A.L.; Filipenko, M.L.; Volova, T.G.; Gitelson, I.I.

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Biodegradation of polyhydroxyalkanoate films in natural environments / A. N. Boyandin [et al.] // Macromolecular Symposia. - 2012. - Vol. 320, Is. 1. - P38-42, DOI 10.1002/masy.201251004 . - ISSN 1022-1360
Кл.слова (ненормированные):
biodegradation -- biopolymers -- microbial degradation -- polyhydroxyalkanoates -- Acinetobacters -- Acremonium -- Alcaligenes -- Burkholderia -- Degradation rate -- Degrading activities -- Degrading bacteria -- Enterobacter -- Hydroxyvalerate -- Mass loss -- Microbial degradation -- Micromycetes -- Natural environments -- Paecilomyces -- Poly-3-hydroxybutyrate -- Poly-hydroxyalkanoate -- Polyhydroxyalkanoates -- SIBERIA -- South China sea -- Stenotrophomonas -- Trichoderma -- Tropical soils -- Viet Nam -- Xanthomonas -- Bacteria -- Bacteriology -- Biopolymers -- Degradation -- Seawater -- Soils -- Tropics -- Biodegradation
Аннотация: Biodegradation of film specimens from polyhydroxyalkanoates (PHAs) of two types - poly-3-hydroxybutyrate (PHB) and poly-3-hydroxybutyrate-co-3- hydroxyvalerate (PHBV) - was analysed in different environments: tropical sea waters of the South China Sea (Nha Trang, Vietnam) and soils in the environs of Hanoi (Vietnam), Nha Trang (Vietnam) and Krasnoyarsk (Siberia, Russia). In seawater, the mass loss of the specimens of both types was almost equal. However, in tropical soils, PHB degraded quicker than PHBV. In the Siberian soil, the degradation rate of the PHBV was generally higher than that of PHBV. Analysis of molecular mass of PHA specimens showed its decreasing during biodegradation. In the tropical sea conditions, PHA degrading microorganisms were represented by bacteria of Enterobacter, Bacillus and Gracilibacillus genera. Among PHA degrading bacteria, Burkholderia, Alcaligenes, Bacillus, Mycobacterium and Streptomyces genera were identified in Vietnamese soils, and Variovorax, Stenotrophomonas, Acinetobacter, Pseudomonas, Bacillus and Xanthomonas genera in Siberian soils. Micromycetes of Gongronella, Paecilomyces, Penicillium and Trichoderma genera exhibited PHA degrading activity in Vietnamese soils, and Paecilomyces, Penicillium, Acremonium, Verticillium and Zygosporium genera - in Siberian soils. Copyright В© 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Scopus
Держатели документа:
Institute of Biophysics, SB RAS, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, 79 Svobodnyi Av., Krasnoyarsk, 660041, Russian Federation
Joint Vietnam-Russian Tropical Research and Technological Centre, Nguyen Van Huyen, Nghia Do, Cau Giay, Hanoi, Viet Nam
Institute of Chemical Biology and Fundamental Medicine, SB RAS, 8 Lavrentiev Ave., Novosibirsk, 630090, Russian Federation
Massachusetts Institute of Technology, Cambridge, MA 02139, United States : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Boyandin, A.N.; Rudnev, V.P.; Ivonin, V.N.; Prudnikova, S.V.; Korobikhina, K.I.; Filipenko, M.L.; Volova, T.G.; Sinskey, A.J.

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Testing soil-like substrate for growing plants in bioregenerative life support systems / J. B. Gros [et al.] // Advances in Space Research. - 2005. - Vol. 36, Is. 7. - P1312-1318, DOI 10.1016/j.asr.2005.05.079 . - ISSN 0273-1177
Кл.слова (ненормированные):
Life support system -- Matter recycling -- Plants -- Soil-like substrate -- Biodiversity -- Correlation methods -- Growth kinetics -- Hormones -- Plants (botany) -- Recycling -- Soils -- Bioregeneration -- Life support system -- Matter recycling -- Soil-like substrate -- Space research
Аннотация: We studied soil-like substrate (SLS) as a potential candidate for plant cultivation in bioregenerative life support systems (BLSS). The SLS was obtained by successive conversion of wheat straw by oyster mushrooms and worms. Mature SLS contained 9.5% humic acids and 4.9% fulvic acids. First, it was shown that wheat, bean and cucumber yields as well as radish yields when cultivated on mature SLS were comparable to yields obtained on a neutral substrate (expanded clay aggregate) under hydroponics. Second, the possibility of increasing wheat and radish yields on the SLS was assessed at three levels of light intensity: 690, 920 and 1150 ?mol m-2 s-1 of photosynthetically active radiation (PAR). The highest wheat yield was obtained at 920 ?mol m-2 s-1, while radish yield increased steadily with increasing light intensity. Third, long-term SLS fertility was tested in a BLSS model with mineral and organic matter recycling. Eight cycles of wheat and 13 cycles of radish cultivation were carried out on the SLS in the experimental system. Correlation coefficients between SLS nitrogen content and total wheat biomass and grain yield were 0.92 and 0.97, respectively, and correlation coefficients between nitrogen content and total radish biomass and edible root yield were 0.88 and 0.87, respectively. Changes in hormone content (auxins, gibberellins, cytokinins and abscisic acid) in the SLS during matter recycling did not reduce plant productivity. Quantitative and species compositions of the SLS and irrigation water microflora were also investigated. Microbial community analysis of the SLS showed bacteria from Bacillus, Pseudomonas, Proteus, Nocardia, Mycobacterium, Arthrobacter and Enterobacter genera, and fungi from Trichoderma, Penicillium, Fusarium, Aspergillus, Mucor, Botrytis, and Cladosporium genera. В© 2005 COSPAR. Published by Elsevier Ltd. All rights reserved.

Scopus
Держатели документа:
LGCB, Universite B. Pascal, CUST, BP206, 63174 Aubiere cedex, France
Environmental Control and Life Support Section, ESA-Estec, Postbus 299, 2200 AG, Noordwijk, Netherlands
Institute of Biophysics (Russian Academy of Sciences, Siberian Branch), Academgorodok, Krasnoyarsk 660036, Russian Federation
Department of Plant Physiology and Biotechnology, Tomsk State University, Lenin av. 36, Tomsk 634050, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Gros, J.B.; Lasseur, Ch.; Tikhomirov, A.A.; Manukovsky, N.S.; Kovalev, V.S.; Ushakova, S.A.; Zolotukhin, I.G.; Tirranen, L.S.; Karnachuk, R.A.; Dorofeev, V.Yu.

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Microbial degradation of polyhydroxyalkanoates in tropical soils / A. N. Boyandin [et al.] // Int. Biodeterior. Biodegrad. - 2013. - Vol. 83. - P77-84, DOI 10.1016/j.ibiod.2013.04.014. - Cited References: 74. - This study was financially supported by Project "Biotechnologies of novel biomaterials" (Agreement No. 11.G34.31.0013) in accordance with Resolution No. 220 of the Government of the Russian Federation of April 9, 2010, "On measures designed to attract leading scientists to the Russian institutions of higher learning". . - 8. - ISSN 0964-8305

РУБ Biotechnology & Applied Microbiology + Environmental Sciences
Рубрики:
POLY-BETA-HYDROXYBUTYRATE
   CHAIN-LENGTH POLYHYDROXYALKANOATES
   POLY(3-HYDROXYBUTYRATE) DEPOLYMERASE
   COASTAL WATERS
   PHA FILMS
   BIODEGRADATION
   BACTERIA
   IDENTIFICATION
   POLYESTERS
   POLY(3-HYDROXYBUTYRATE-CO-3-HYDROXYVALERATE)
Кл.слова (ненормированные):
Polyhydroxyalkanoates (PHAs) -- Biopolymers -- Biopolymer properties -- Soil biodegradation -- PHA degrading microorganisms
Аннотация: The integrated study addressing biodegradation of microbial linear polyesters of hydroxyalkanoic acids (polyhydroxyalkanoates, PHAs) in tropical conditions by microbial communities of Vietnamese soils was performed in locations close to Hanoi and Nha Trang, which differed in their weather conditions and microbial communities. It shows that PHA degradation in tropical soils is influenced by polymer chemical composition, specimen shape, and microbial characteristics. The homopolymer of 3-hydroxybutyric acid is degraded at higher rates than the copolymer of 3-hydroxybutyric and 3-hydroxyvaleric acids. The average rates of mass loss were 0.04-0.33% per day for films and 0.02-0.18% for compact pellets. PHA degradation was accompanied by a decrease in the polymer molecular mass and, usually, an increase in the degree of crystallinity, suggesting preferential degradation of the amorphous phase. Under the study conditions, representatives of the bacterial genera Burkholderia, Bacillus, Cupriavidus, Mycobacterium, and Nocardiopsis and such micromycetes as Acremonium, Gongronella, Paecilomyces, and Penicillium, Trichoderma have been identified as major PHA degraders. (C) 2013 Elsevier Ltd. All rights reserved.

Держатели документа:
[Boyandin, Anatoly N.
Volova, Tatiana G.
Gitelson, Iosif I.] Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk, Russia
[Prudnikova, Svetlana V.
Volova, Tatiana G.] Siberian Fed Univ, Krasnoyarsk, Russia
[Karpov, Valery A.] Russian Acad Sci, AN Severtsov Inst Ecol & Evolut, Moscow, Russia
[Ivonin, Vladimir N.
Ngoc Lanh Do
Thi Hoai Nguyen
Thi My Hiep Le
Filichev, Nikolay L.
Levin, Alexander L.] Joint Russian Vietnam Trop Res & Test Ctr, Hanoi, Vietnam
[Filipenko, Maxim L.] Russian Acad Sci, Siberian Branch, Inst Chem Biol & Fundamental Med, Novosibirsk, Russia : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Boyandin, A.N.; Prudnikova, S.V.; Karpov, V.A.; Ivonin, V.N.; Do, N.L.; Nguyen, T.H.; Le, TMH; Filichev, N.L.; Levin, A.L.; Filipenko, M.L.; Volova, T.G.; Gitelson, I.I.

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Ca2+-Regulated Photoproteins: Effective Immunoassay Reporters [Text] / L. A. Frank // Sensors. - 2010. - Vol. 10, Is. 12. - P11287-11300, DOI 10.3390/s101211287. - Cited References: 70. - This work was supported by the grant No. 76 of the Russian Academy of Sciences, Siberian Branch. . - ISSN 1424-8220

РУБ Chemistry, Analytical + Electrochemistry + Instruments & Instrumentation
Рубрики:
POLYMERASE-CHAIN-REACTION
   CYTOKINE MESSENGER-RNA
   BIOLUMINESCENT IMMUNOASSAY
   MYCOBACTERIUM-TUBERCULOSIS
   BIOTINYLATED AEQUORIN
   RECOMBINANT AEQUORIN
   ANGSTROM RESOLUTION
   FUSION PROTEIN
   PCR ASSAY
   OBELIN
Кл.слова (ненормированные):
bioluminescence -- Ca2+-regulated photoprotein -- immunoassay -- PCR-ELISA -- multiplex assay -- re-engineered photoproteins
Аннотация: Ca2+-regulated photoproteins of luminous marine coelenterates are of interest and a challenge for researchers as a unique bioluminescent system and as a promising analytical instrument for both in vivo and in vitro applications. The proteins are comprehensively studied as to biochemical properties, tertiary structures, bioluminescence mechanism, etc. This knowledge, along with available recombinant proteins serves the basis for development of unique bioluminescent detection systems that are "self-contained", triggerable, fast, highly sensitive, and non-hazardous. In the paper, we focus on the use of photoproteins as reporters in binding assays based on immunological recognition element-bioluminescent immunoassay and hybridization immunoassay, their advantages and prospects.

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:
Frank, L.A.

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Metabolic activity of cryogenic soils in the subarctic zone of Siberia towards “green” bioplastics / S. V. Prudnikova, S. Y. Evgrafova, T. G. Volova // Chemosphere. - 2021. - Vol. 263. - Ст. 128180, DOI 10.1016/j.chemosphere.2020.128180 . - ISSN 0045-6535
Кл.слова (ненормированные):
metabolic activity -- P(3HB) bioplastic -- P(3HB) properties -- P(3HB)-degrading strains -- Siberian cryogenic soils -- structure of microbial community -- Aspergillus -- Bacteriology -- Biodegradable polymers -- Biodegradation -- Cryogenics -- Crystallinity -- Metabolism -- Polymer films -- Reinforced plastics -- RNA -- Soils -- Aspergillus fumigatus -- Degree of crystallinity -- Microbial communities -- Nucleotide sequences -- Poly-3-hydroxybutyrate -- Polymer biodegradation -- Soil microbial community -- Surface microstructures -- Bacteria -- bacterial RNA -- fungal RNA -- mineral -- plastic -- poly(3 hydroxybutyric acid) -- polymer -- ribosome RNA -- RNA 16S -- RNA 18S -- RNA 28S -- RNA 5.8S -- abundance -- bacterium -- biodegradation -- biomass -- community structure -- concentration (composition) -- crystallinity -- fungus -- microbial community -- microstructure -- plastic -- polymer -- soil temperature -- subarctic region -- Actinobacteria -- Agrobacterium tumefaciens -- Antarctica -- Arctic -- Article -- Aspergillus fumigatus -- Aspergillus niger -- Bacilli -- Bacillus cereus -- Bacillus pumilus -- bacterial gene -- bacterium isolate -- biodegradability -- biodegradation -- biomass -- Chryseobacterium ioostei -- colony forming unit -- community structure -- concentration (parameter) -- cryogenic soil -- crystallization -- Cupriavidus necator -- ecosystem -- Escherichia coli -- Flavobacteria -- Flavobacterium -- fungal community -- fungal gene -- Fusarium fujikuroi -- Gammaproteobacteria -- green chemistry -- Lactobacterium helveticus -- metabolism -- microbial biomass -- microbial community -- molecular weight -- Mortierella alpina -- Mycobacterium -- Mycobacterium pseudoshotsii -- Nocardioides -- nucleotide sequence -- nucleotide sequence -- Paenibacillus -- Paraburkholderia -- Penicillium -- Penicillium arenicola -- Penicillium glabrum -- Penicillium lanosum -- Penicillium restrictum -- Penicillium spinulosum -- Penicillium thomii -- phylogeny -- Pseudomonas -- Rhizopus oryzae -- Rhodococcus -- RNA sequence -- Russian Federation -- soil -- soil microflora -- soil temperature -- species composition -- Stenotrophomonas -- Streptomyces -- Streptomyces prunicolor -- surface property -- temperature dependence -- thawing -- Variovorax paradoxus -- zpseudomonas lutea -- Siberia -- Aspergillus fumigatus -- Bacillus pumilus -- Bacteria (microorganisms) -- Fungi -- Penicillium thomii -- Pseudomonas sp. -- Rhodococcus sp. -- Stenotrophomonas rhizophila -- Streptomyces prunicolor -- Variovorax paradoxus
Аннотация: The present study investigates, for the first time, the structure of the microbial community of cryogenic soils in the subarctic region of Siberia and the ability of the soil microbial community to metabolize degradable microbial bioplastic – poly-3-hydroxybutyrate [P(3HB)]. When the soil thawed, with the soil temperature between 5-7 and 9–11 °C, the total biomass of microorganisms at a 10-20-cm depth was 226–234 mg g?1 soil and CO2 production was 20–46 mg g?1 day?1. The total abundance of microscopic fungi varied between (7.4 ± 2.3) ? 103 and (18.3 ± 2.2) ? 103 CFU/g soil depending on temperature; the abundance of bacteria was several orders of magnitude greater: (1.6 ± 0.1) ? 106 CFU g?1 soil. The microbial community in the biofilm formed on the surface of P(3HB) films differed from the background soil in concentrations and composition of microorganisms. The activity of microorganisms caused changes in the surface microstructure of polymer films, a decrease in molecular weight, and an increase in the degree of crystallinity of P(3HB), indicating polymer biodegradation due to metabolic activity of microorganisms. The clear-zone technique – plating of isolates on the mineral agar with polymer as sole carbon source – was used to identify P(3HB)-degrading microorganisms inhabiting cryogenic soil in Evenkia. Analysis of nucleotide sequences of rRNA genes was performed to identify the following P(3HB)-degrading species: Bacillus pumilus, Paraburkholderia sp., Pseudomonas sp., Rhodococcus sp., Stenotrophomonas rhizophila, Streptomyces prunicolor, and Variovorax paradoxus bacteria and the Penicillium thomii, P. arenicola, P. lanosum, Aspergillus fumigatus, and A. niger fungi. © 2020 Elsevier Ltd

Scopus
Держатели документа:
Siberian Federal University, 79 Svobodny Pr, Krasnoyarsk, 660041, Russian Federation
V.N. Sukachev Institute of Forest, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/28 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Institute of Biophysics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Melnikov Permafrost Institute, SB RAS, 36 Merzlotnaya St., Yakutsk, 677010, Russian Federation

Доп.точки доступа:
Prudnikova, S. V.; Evgrafova, S. Y.; Volova, T. G.

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