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You searched for: Publication Year 2010 Remove constraint Publication Year: 2010 Subject citrates Remove constraint Subject: citrates
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1. Aerobic degradation of 2,4,6-trinitrotoluene by the yeast strain Geotrichum candidum AN-Z4

Author:
Ziganshin, A. M.; Gerlach, R.; Naumenko, E. A.; Naumova, R. P.
Source:
Microbiology 2010 v.79 no.2 pp. 178-183
ISSN:
0026-2617
Subject:
Geotrichum candidum; aeration; biodegradation; bioremediation; citrates; hydrides; ions; nitrates; nitrites; nitrogen; soil; succinic acid; trinitrotoluene; yeasts
Abstract:
... The yeast strain Geotrichum candidum AN-Z4 isolated from an anthropogenically polluted site was able to transform 2,4,6-trinitrotoluene (TNT) via the formation of unstable intermediate hydride Meisenheimer complexes with their subsequent destruction and accumulation of nitrite and nitrate ions as the end mineral forms of nitrogen. Aeration of the medium promoted more profound destruction of this x ...
DOI:
10.1134/S0026261710020086

2. Alteration of cell-wall porosity is involved in osmotic stress-induced enhancement of aluminium resistance in common bean (Phaseolus vulgaris L.)

Author:
Yang, Zhong-Bao; Eticha, Dejene; Rao, Idupulapati Madhusudana; Horst, Walter Johannes
Source:
Journal of experimental botany 2010 v.61 no.12 pp. 3245-3258
ISSN:
0022-0957
Subject:
Phaseolus vulgaris; aluminum; apoplast; beans; binding capacity; cations; citrates; crop production; dialysis; drought; exudation; genotype; hydroponics; polyethylene glycol; porosity; root growth; root tips; toxicity; tropics; water stress
Abstract:
... Aluminium (Al) toxicity and drought are the two major abiotic stress factors limiting common bean production in the tropics. Using hydroponics, the short-term effects of combined Al toxicity and drought stress on root growth and Al uptake into the root apex were investigated. In the presence of Al stress, PEG 6000 (polyethylene glycol)-induced osmotic (drought) stress led to the amelioration of Al ...
DOI:
10.1093/jxb/erq146
PubMed:
20511277
PubMed Central:
PMC2905193

3. Aluminum resistance in common bean (Phaseolus vulgaris) involves induction and maintenance of citrate exudation from root apices

Author:
Rangel, Andrés Felipe; Rao, Idupulapati Madhusudana; Braun, Hans-Peter; Horst, Walter Johannes
Source:
Physiologia plantarum 2010 v.138 no.2 pp. 176-190
ISSN:
0031-9317
Subject:
6-phosphofructokinase; NAD (coenzyme); Phaseolus vulgaris; aluminum; beans; citrate (si)-synthase; citrates; exudation; isocitrate dehydrogenase (NADP); malate dehydrogenase; phosphoenolpyruvate carboxylase; root growth; root tips
Abstract:
... Two common bean (Phaseolus vulgaris L.) genotypes differing in aluminum (Al) resistance, Quimbaya (Al-resistant) and VAX-1 (Al-sensitive) were grown in hydroponics for up to 25 h with or without Al, and several parameters related to the exudation of organic acids anions from the root apex were investigated. Al treatment enhanced the exudation of citrate from the root tips of both genotypes. Howeve ...
DOI:
10.1111/j.1399-3054.2009.01303.x
PubMed:
20053183

4. Bio-reduction of Fe(III) ores using three pure strains of Aeromonas hydrophila, Serratia fonticola and Clostridium celerecrescens and a natural consortium

Author:
García-Balboa, C.; Bedoya, I. Chion; González, F.; Blázquez, M.L.; Muñoz, J.A.; Ballester, A.
Source:
Bioresource technology 2010 v.101 no.20 pp. 7864-7871
ISSN:
0960-8524
Subject:
citrates; acidification; Aeromonas hydrophila; weathering; Clostridium celerecrescens; iron; Serratia fonticola; pH; mixed culture; ferrihydrite
Abstract:
... The present work describes a research approach to the anaerobic bioleaching of Fe(III) ores. Three strains (Serratia fonticola, Aeromonas hydrophila and Clostridium celerecrescens) isolated from an acidic abandoned mine were selected to test their ability to reduce dissimilatory Fe(III). Total iron bio-reduction was achieved after 48h using either the consortium or the Aeromonas cultures. In the l ...
DOI:
10.1016/j.biortech.2010.05.015
PubMed:
20627716

5. Biodegradation of BTE in soil by indigenous microbial populations with and without biogenic substrates

Author:
Chong, Nyuk-Min; Chiou, Jing-Ning
Source:
World journal of microbiology & biotechnology 2010 v.26 no.9 pp. 1587-1594
ISSN:
0959-3993
Subject:
benzene; biodegradation; citrates; ethylbenzene; glucose; plate count; soil; toluene
Abstract:
... Degradation of benzene, toluene, and ethylbenzene (BTE) by microbial populations indigenous to the soil and populations proliferated from the indigenous using biogenic substrates were compared. The reaction system consisted of aerobic microcosms representing an unsaturated soil. Microcosms supplemented with glucose and citrate, when compared to the unsupplemented microcosms, showed increases in ba ...
DOI:
10.1007/s11274-010-0334-6

6. Biodegradation of low molecular weight organic compounds and their contribution to heterotrophic soil respiration in three Japanese forest soils

Author:
Fujii, Kazumichi; Hayakawa, Chie; Van Hees, Patrick A. W.; Funakawa, Shinya; Kosaki, Takashi
Source:
Plant and soil 2010 v.334 no.1-2 pp. 475-489
ISSN:
0032-079X
Subject:
Andisols; Inceptisols; Spodosols; acetates; adsorption; aluminum oxide; biodegradation; citrates; dissolved organic carbon; forest soils; glucose; mineralization; molecular weight; oxalates; soil organic carbon; soil profiles; soil respiration; soil solution
Abstract:
... Low molecular weight (LMW) organic compounds in soil solution could be important substrates for heterotrophic soil respiration. The importance of LMW organic compound mineralization in heterotrophic soil respiration needs to be confirmed for different types of soils. The concentrations of LMW organic compounds in soil solution and mineralization kinetics of ¹⁴C-radiolabelled glucose, acetate, oxal ...
DOI:
10.1007/s11104-010-0398-y

7. Biosorption of U(VI) by the green algae Chlorella vulgaris in dependence of pH value and cell activity

Author:
Vogel, M.; Günther, A.; Rossberg, A.; Li, B.; Bernhard, G.; Raff, J.
Source:
Science of the total environment 2010 v.409 no.2 pp. 384-395
ISSN:
0048-9697
Subject:
Chlorella vulgaris; X-radiation; absorption; adenosine triphosphate; biomass; biosorption; citrates; fluorescence; leachates; metabolism; pH; spectroscopy; uranium
Abstract:
... Biosorption of uranium(VI) by the green alga Chlorella vulgaris was studied at varying uranium concentrations from 5μM to 1mM, and in the environmentally relevant pH range of 4.4 to 7.0. Living cells bind in a 0.1mM uranium solution at pH 4.4 within 5min 14.3±5.5mgU/g dry biomass and dead cells 28.3±0.6mgU/g dry biomass which corresponds to 45% and 90% of total uranium in solution, respectively. D ...
DOI:
10.1016/j.scitotenv.2010.10.011
PubMed:
21047668

8. Characterization of foliar manganese (Mn) in Mn (hyper)accumulators using X‐ray absorption spectroscopy

Author:
Fernando, D.R.; Mizuno, T.; Woodrow, I.E.; Baker, A.J.M.; Collins, R.N.
Source:
new phytologist 2010 v.188 no.4 pp. 1014-1027
ISSN:
0028-646X
Subject:
absorption; carboxylic acids; citrates; hyperaccumulators; leaves; malates; manganese; spectroscopy; woody plants; Australia; Japan; New Caledonia
Abstract:
... • Plant hyperaccumulation of the essential nutrient manganese (Mn) is a rare phenomenon most evident in the Western Pacific region, and differs from hyperaccumulation of other elements. • Mn hyperaccumulators employ a variety of species‐dependent spatial distribution patterns in sequestering excess foliar Mn, including primary sequestration in both nonphotosynthetic and photosynthetic tissues. • T ...
DOI:
10.1111/j.1469-8137.2010.03431.x
PubMed:
20819177

9. Characterization of trophic changes and a functional oxidative pentose phosphate pathway in Synechocystis sp. PCC 6803

Author:
Jansén, Tove; Kurian, Dominic; Raksajit, Wuttinun; York, Steve; Summers, Michael L.; Mäenpää, Pirkko
Source:
Acta physiologiae plantarum 2010 v.32 no.3 pp. 511-518
ISSN:
0137-5881
Subject:
proteins; citrates; proteome; NADP-glucose-6-phosphate dehydrogenase; renewable energy sources; Synechocystis; evolution; energy metabolism; glucose; nitrogen; inorganic pyrophosphatase; carbon; phosphates; mutants; oxidation; pentoses; oxygen
Abstract:
... Cyanobacteria have a tremendous activity to adapt to environmental changes of their growth conditions. In this study, Synechocystis sp. PCC 6803 was used as a model organism to focus on the alternatives of cyanobacterial energy metabolism. Glucose oxidation in Synechocystis sp. PCC6803 was studied by inactivation of slr1843, encoding glucose-6-phosphate dehydrogenase (G6PDH), the first enzyme of t ...
DOI:
10.1007/s11738-009-0428-7

10. Chromatographic Zinc Isotope Separation by Chelating Exchange Resin

Author:
Ding, Xingcheng; Nomura, Masao; Suzuki, Tatsuya; Fujii, Yasuhiko
Source:
Chromatographia 2010 v.71 no.3-4 pp. 195-199
ISSN:
0009-5893
Subject:
EDTA (chelating agent); chromatography; citrates; isotopes; ligands; malates; zinc
Abstract:
... Zinc isotope separations were studied by displacement chromatography using the chelating properties of malate, citrate and lactate exchange resin and EDTA as ligands. After each chromatographic operation, the heavier zinc isotopes were found to preferentially fractionated into the carboxylate complex solution phase. The separation coefficients (ε) for zinc isotope separation had the largest value ...
DOI:
10.1365/s10337-009-1448-6
PubMed:
20208981
PubMed Central:
PMC2827798

11. Citrate, oxalate, sodium, and magnesium levels in fresh juices of three different types of tomatoes: evaluation in the light of the results of studies on orange and lemon juices

Author:
Erdal Yilmaz; Ertan Batislam; Murat Kacmaz; Imge Erguder
Source:
International journal of food sciences and nutrition 2010 v.61 no.4 pp. 339-345
ISSN:
1465-3478
Subject:
calcium; citrates; fruits; lemons; magnesium; nutrition; oxalates; sodium; tomato juice; tomatoes
Abstract:
... Fruit and vegetable juices containing citrate may be recommended as an alternative in mild to moderate level hypocitraturic calcium stone formers who cannot tolerate pharmacological treatment. Tomato has been proved a citrate-rich vegetable. Tomato juice usage as citrate sources in hypocitraturic recurrent stone formers were evaluated in the light of the results of studies on orange and lemon juic ...
DOI:
10.3109/09637480903405570

12. Cleanup of atrazine-contaminated soils: ecotoxicological study on the efficacy of a bioremediation tool with Pseudomonas sp. ADP

Author:
Chelinho, Sónia; Moreira-Santos, Matilde; Lima, Débora; Silva, Cátia; Viana, Paula; André, Sandra; Lopes, Isabel; Ribeiro, Rui; Fialho, Arsénio M.; Viegas, Cristina A.; Sousa, José P.
Source:
Journal of soils and sediments 2010 v.10 no.3 pp. 568-578
ISSN:
1439-0108
Subject:
Pseudomonas; active ingredients; aquatic organisms; atrazine; bacteria; biodegradation; biomass production; bioremediation; chemical analysis; citrates; earthworms; ecosystems; ecotoxicology; environmental impact; leachates; polluted soils; reproduction; soil analysis; soil ecology; soil toxicity; toxicity; toxicity testing; water pollution
Abstract:
... Purpose To mitigate the environmental effects of atrazine, one of the cleanup strategies available is based on the use of atrazine-degrading bacteria. This work aimed to evaluate the efficacy of a previously developed bioremediation tool for atrazine-contaminated soils (combining bioaugmentation with Pseudomonas sp. ADP, hereafter designated as P. ADP, and biostimulation with citrate) on both soil ...
DOI:
10.1007/s11368-009-0145-2

13. Comparative analysis of membranous proteomics of Shewanella decolorationis S12 grown with azo compound or Fe (III) citrate as sole terminal electron acceptor

Author:
Wang, Bo; Xu, Meiying; Sun, Guoping
Source:
Applied microbiology and biotechnology 2010 v.86 no.5 pp. 1513-1523
ISSN:
0175-7598
Subject:
Shewanella decolorationis; anaerobiosis; azo dyes; citrates; dissolved oxygen; iron; mass spectrometry; membrane proteins; proteomics; two-dimensional gel electrophoresis
Abstract:
... Shewanella decolorationis S12 is capable of carrying out anaerobic respiration using azo dyes and Fe (III) citrate as electron acceptors. In the present study, proteomic techniques including two-dimensional gel electrophoresis (2-DE) and matrix-assisted laser desorption/ionization time-of-flight/time-of-flight mass spectrometry were used to analyze the similarity and the dissimilarity of the membr ...
DOI:
10.1007/s00253-010-2475-9
PubMed:
20309544

14. Comparison of dissolved organic matter from sewage sludge and sludge compost as electron shuttles for enhancing Fe(III) bioreduction

Author:
Huang, De-Yin; Zhuang, Li; Cao, Wei-Dong; Xu, Wei; Zhou, Shun-Gui; Li, Fang-Bai
Source:
Journal of soils and sediments 2010 v.10 no.4 pp. 722-729
ISSN:
1439-0108
Subject:
Shewanella; anaerobic conditions; bacteria; citrates; composting; composts; dissolved organic matter; electron transfer; electrons; ferric chloride; ferric oxide; fractionation; humification; iron; land use; oxidants; physicochemical properties; pollutants; sewage sludge; soil; soil amendments; soil remediation; toxicity; ultraviolet-visible spectroscopy
Abstract:
... Purpose Land utilization of sewage sludge and sludge compost is a common practice in many countries. Soils amended with sewage sludge and sludge compost display different physicochemical properties, especially in terms of dissolved organic matter (DOM) composition that affects the electron-donating capacity (EDC) of DOM in soils. The aim of this paper was to compare the EDC of DOM derived from sew ...
DOI:
10.1007/s11368-009-0161-2

15. Comparison of iron chelates and complexes supplied as foliar sprays and in nutrient solution to correct iron chlorosis of soybean

Author:
Rodríguez-Lucena, Patricia; Hernández-Apaolaza, Lourdes; Lucena, Juan J.
Source:
Zeitschrift für Pflanzenernährung und Bodenkunde 2010 v.173 no.1 pp. 120-126
ISSN:
1436-8730
Subject:
Glycine max; amino acids; chelates; chlorosis; citrates; fertilizers; foliar spraying; glycoproteins; humates; hydroponics; iron; lignosulfonates; nutrient solutions; plant growth; plant response; polyamines; roots; shoots; soybeans; transferrin
Abstract:
... The application of synthetic chelates is the most efficient remedy for correcting iron (Fe) chlorosis. However, chelates are usually expensive and nondegradable products. Recently, new degradable chelates have been proposed for their use as Fe fertilizers. Also, Fe complexes cheaper than synthetic chelates and derived from natural products are also used to correct Fe deficiencies. Fifteen products ...
DOI:
10.1002/jpln.200800256

16. Comparison of serum versus plasma collection in gas chromatography - Mass spectrometry-based metabolomics

Author:
Dettmer, Katja; Almstetter, Martin F.; Appel, Inka J.; Nürnberger, Nadine; Schlamberger, Gregor; Gronwald, Wolfram; Meyer, Heinrich H.D.; Oefner, Peter J.
Source:
Electrophoresis 2010 v.31 no.14 pp. 2365-2373
ISSN:
0173-0835
Subject:
amino acids; antioxidants; aspirin; blood serum; cattle; citrates; computer software; electrophoresis; gas chromatography-mass spectrometry; glucose; metabolites; metabolomics; tumor necrosis factors
Abstract:
... Bovine serum, EDTA-plasma and EDTA-plasma fortified with acetylsalicylic acid (ASA) as antioxidant were compared with regard to their suitability for metabolomic studies. Metabolic fingerprints were generated from GC-TOF-MS data using the Leco ChromaTOF® software in combination with the in-house retention time correction and data alignment tool INCA. A total of 6, 9 and 21 significant features wit ...
DOI:
10.1002/elps.200900778

17. Cryptococcus randhawai sp. nov., a novel anamorphic basidiomycetous yeast isolated from tree trunk hollow of Ficus religiosa (peepal tree) from New Delhi, India

Author:
Khan, Zia U.; Ahmad, Suhail; Hagen, Ferry; Fell, Jack W.; Kowshik, Tusharantak; Chandy, Rachel; Boekhout, Teun
Source:
Antonie van Leeuwenhoek 2010 v.97 no.3 pp. 253-259
ISSN:
0003-6072
Subject:
Cryptococcus albidus; Ficus religiosa; Filobasidiales; citrates; decayed wood; genes; internal transcribed spacers; lactose; myo-inositol; new species; raffinose; ribosomal DNA; ribosomal RNA; sequence analysis; temperature; transcription (genetics); tree trunk; trees; vitamins; yeasts; India
Abstract:
... A novel anamorphic Cryptococcus species is described, which was isolated in New Delhi (India) from decaying wood of a tree trunk hollow of Ficus religiosa. On the basis of sequence analysis of the D1/D2 domains of the 26S rRNA gene and the internally transcribed spacer (ITS)-1 and ITS-2 region sequences, the isolate belonged to the Cryptococcus albidus cluster (Filobasidiales, Tremellomycetes) and ...
DOI:
10.1007/s10482-009-9406-8
PubMed:
20091225

18. Effect of Disaccharides on Ion Properties in Milk-Based Systems

Author:
Gao, Ran; Leeuwen, Herman P. van; Temminghoff, Erwin J.; Valenberg, Hein J. van; Eisner, Matthias D.; Boekel, Martinus A. van
Source:
Journal of agricultural and food chemistry 2010 v.58 no.10 pp. 6449–6457
ISSN:
0021-8561
Subject:
calcium chloride; citrates; thermal properties; milk proteins; calcium; sucrose; cations; milk; pH; electrostatic interactions; potassium chloride; ionic strength
Abstract:
... The mean spherical approximation (MSA) theory is used to explain the impact of sugars on ion properties in milk-based systems by taking into account electrostatic interactions and volume exclusion effects. This study first focuses on the changes in Ca2+ activity and pH in a solution consisting of CaCl2, KCl, and K3citrate, as a function of sucrose concentration. MSA model calculations were compare ...
DOI:
10.1021/jf1002396
PubMed:
20426420

19. Effect of site-directed mutagenesis of citB on the expression and activity of Bacillus subtilis aconitase

Author:
Gao, Weihua; Dai, Sen; Liu, Quanli; Xu, Haijin; Bai, Yanlin; Qiao, Mingqiang
Source:
Microbiology 2010 v.79 no.6 pp. 767-771
ISSN:
0026-2617
Subject:
Bacillus subtilis; RNA; Western blotting; aconitate hydratase; amino acids; beta-galactosidase; citrates; enzyme activity; genes; mutants; protein synthesis; regulatory proteins; site-directed mutagenesis
Abstract:
... Bacillus subtilis aconitase, encoded by the citB gene, is a bifunctional enzyme, which can not only interconvert citrate and isocitrate, but also has the RNA binding function similar to the eukaryotic protein IRP-1 (iron regulatory protein 1). Homology analysis between eukaryotic aconitase and B. subtilis aconitase indicates that the amino acids 741-745 probably have important function for the B. ...
DOI:
10.1134/S002626171006007X

20. Electrocatalytic behaviour of citric acid at a cobalt phthalocyanine-modified screen-printed carbon electrode and its application in pharmaceutical and food analysis

Author:
Honeychurch, Kevin C.; Gilbert, Lucy; Hart, John P.
Source:
Analytical and bioanalytical chemistry 2010 v.396 no.8 pp. 3103-3111
ISSN:
1618-2642
Subject:
lead; carbon; food analysis; glucose; iron; EDTA (chelating agent); electrodes; hesperidin; oxidation; citric acid; metal ions; cysteine; citrates; sampling; cobalt; copper; calcium; oxalic acid; lime juice; silver
Abstract:
... Cobalt phthalocyanine-modified screen-printed carbon electrodes (CoPC-SPCEs) have been investigated as disposable sensors for the measurement of citric acid. The analyte was found to undergo an electrocatalytic oxidation process involving the Co²⁺/Co³⁺ redox couple. Calibration plots were found to be linear in the range 2 mM to 2.0 M; replicate determinations of a 5.2 mM citric acid (n = 4) soluti ...
DOI:
10.1007/s00216-010-3534-x