Enzymes involved in anaerobic degradation of acetone by a denitrifying bacterium.

abstract：:An elemental analysis was applied to describe the composition of the organic fraction of municipal solid waste (MSW). The initial elemental composition was constant at C5H8.5O4N0.2. The changes of the composition during the biodegradation process and the final waste composition were strictly dependent on the process c...

journal_title：Biodegradation

authors： Liwarska-Bizukojc E,Ledakowicz S

更新日期：2003-01-01 00:00:00

abstract：:A field experiment, lasting 14 months, was carried out in order to assess the effect of organic amendment and lime addition on the bioavailability of heavy metals in contaminated soils. The experiment took place in a soil affected by acid, highly toxic pyritic waste from the Aznalcóllar mine (Seville, Spain) in April ...

journal_title：Biodegradation

authors： Clemente R,Walker DJ,Roig A,Bernal MP

更新日期：2003-06-01 00:00:00

abstract：:The performance of diesel oil degradation by Candida tropicalis immobilized on various conventional matrices (sodium alginate, carboxyl methyl cellulose, chitosan) and biowaste materials (wheat bran, sawdust, peanut hull powder) was investigated using the method of entrapment and physical adsorption. The yeast species...

journal_title：Biodegradation

authors： Chandran P,Das N

更新日期：2011-11-01 00:00:00

abstract：:The importance of nickel (added as NiCl2) on mesophilic anaerobic fermentation of Phragmites australis straw and cow dung was demonstrated by investigating the biogas properties, pH values, organic matter degradation [chemical oxygen demand (COD)] and enzyme activities (cellulase, protease and dehydrogenase) during th...

journal_title：Biodegradation

authors： Tian Y,Zhang H,Chai Y,Wang L,Mi X,Zhang L,Ware MA

更新日期：2017-02-01 00:00:00

abstract：:Monitoring programs for intrinsic bioremediation of fuel hydrocarbons require indicators that can convincingly demonstrate in situ metabolism. In this evaluation of potential indicators of in situ anaerobic alkylbenzene metabolism, laboratory and field data are reviewed for two classes of aromatic acids: (i) benzylsuc...

journal_title：Biodegradation

authors： Beller HR

更新日期：2000-01-01 00:00:00

abstract：:In contaminated soils, efficiency of natural attenuation or engineered bioremediation largely depends on biodegradation capacities of the local microflorae. In the present study, the biodegradation capacities of various microflorae towards diesel oil were determined in laboratory conditions. Microflorae were collected...

journal_title：Biodegradation

authors： Penet S,Vendeuvre C,Bertoncini F,Marchal R,Monot F

更新日期：2006-12-01 00:00:00

abstract：:A Gram-negative bacterium was isolated from river sediment which was able to grow with nitrilotriacetic acid as a combined carbon, nitrogen and energy source in the absence of molecular oxygen using nitrate as the terminal electron acceptor. Batch growth parameters and mass balances are reported for growth under both ...

journal_title：Biodegradation

authors： Wanner U,Kemmler J,Weilenmann HU,Egli T,el-Banna T,Auling G

更新日期：1990-01-01 00:00:00

abstract：:Benzoyl coenzyme A reductase (BCR) catalyzes dearomatization of benzoyl coenzyme A (benzoyl-CoA), which is the central step in the anaerobic degradative pathways for a variety of aromatic compounds. This study developed a PCR method for the detection and quantification of BCR genes in bacterial strains and environment...

journal_title：Biodegradation

authors： Hosoda A,Kasai Y,Hamamura N,Takahata Y,Watanabe K

更新日期：2005-12-01 00:00:00

abstract：:Rubrivivax benzoatilyticus JA2 utilizes L: -tryptophan as the sole source of nitrogen for growth, and it has a doubling time of approximately 11 h (compared to 8 h with ammonium chloride). With cell free extracts in the presence of 2-oxoglutarate, indole-3-pyruvic acid, indole-3-acetaldehyde, indole-3-acetic acid, isa...

journal_title：Biodegradation

authors： Kumavath RN,Ramana ChV,Sasikala Ch

更新日期：2010-09-01 00:00:00

abstract：:The enzymatic mechanism for the transformation of organophosphorus pesticides (OPPs) by different white-rot fungi strains was studied. With the exception of Ganoderma applanatum 8168, all strains from a collection of 17 different fungi cultures were able to deplete parathion. Three strains showing the highest activiti...

journal_title：Biodegradation

authors： Jauregui J,Valderrama B,Albores A,Vazquez-Duhalt R

更新日期：2003-12-01 00:00:00

abstract：:Synthetic iron oxides (goethite, alpha-FeO.OH; hematite, Fe2O3; and ferrihydrite, Fe(OH)3) were used as model compounds to simulate the mineralogy of surface films on carbon steel. Dissolution of these oxides exposed to pure cultures of the metal-reducing bacterium, Shewanella putrefaciens, was followed by direct atom...

journal_title：Biodegradation

authors： Little B,Wagner P,Hart K,Ray R,Lavoie D,Nealson K,Aguilar C

更新日期：1998-01-01 00:00:00

abstract：:The anaerobic degradation of the polyesters poly-3-hydroxybutyrate (PHB) and poly-3-hydroxybutyrate-co-3-hydroxyvalerate (PHBV) was investigated with special regard to intermediate products, kinetics, and yields. During the degradation of PHBV acetate, propionate, n-butyrate, and n-valerate were detected. Additionally...

journal_title：Biodegradation

authors： Reischwitz A,Stoppok E,Buchholz K

更新日期：1997-01-01 00:00:00

abstract：:Pseudomonas sp. strain WBC-3 utilizes para-nitrophenol (PNP) as a sole source of carbon, nitrogen and energy. PnpA (PNP 4-monooxygenase) and PnpB (para-benzoquinone reductase) were shown to be involved in the initial steps of PNP catabolism via hydroquinone. We demonstrated here that PnpA also catalyzed monooxygenatio...

journal_title：Biodegradation

authors： Wei M,Zhang JJ,Liu H,Zhou NY

更新日期：2010-11-01 00:00:00

abstract：:A Gram-positive, Micrococcus sp. strain PS-1 capable of utilizing phenylurea herbicide diuron as a sole carbon source at a high concentration (up to 250 ppm) was isolated from diuron storage site by selective enrichment study. The taxonomic characterization with 16S rRNA gene sequencing (1,477 bp) identified PS-1 as a...

journal_title：Biodegradation

authors： Sharma P,Chopra A,Cameotra SS,Suri CR

更新日期：2010-11-01 00:00:00

abstract：:The organophosphorous pesticide, demeton-S-methyl was transformed by Corynebacterium glutamicum in co-metabolism with more readily degradable substrates. Glucose, acetate and fructose were tested as growth substrates, and the highest demeton-S-methyl biotransformation average rate (0.78 mg l(-1) h(-1)) and maximum ins...

journal_title：Biodegradation

authors： Girbal L,Rols JL,Lindley ND

更新日期：2000-01-01 00:00:00

abstract：:The autotrophic process for nitrogen removal has attracted worldwide attention in the field of wastewater treatment, and the performance of this process is greatly influenced by the size of granular sludge particles present in the system. In this work, the granular sludge was divided into three groups, i.e. large size...

journal_title：Biodegradation

authors： Ya-Juan X,Jun-Yuan J,Ping Z,Lan W,Abbas G,Zhang J,Ru W,Zhan-Fei H

更新日期：2018-08-01 00:00:00

abstract：:The application of biocides is a traditional method of controlling biodecay of outdoor cultural heritage. Chlorophyll degradation to phaeopigments is used to test the biocidal efficacy of the antimicrobial agents. In the present study, the usefulness of color measurements in estimating chlorophyll degradation was inve...

journal_title：Biodegradation

authors： Sanmartín P,Villa F,Silva B,Cappitelli F,Prieto B

更新日期：2011-07-01 00:00:00

abstract：:Digestion of cattle manure collected from a livestock farm together with bedding material (straw) has been studied under mesophilic and thermophilic conditions in batch reactors. The digestion was carried out for a prolonged period with the aim of evaluating the changes undergone by the organic matter. The mesophilic ...

journal_title：Biodegradation

authors： Gómez X,Blanco D,Lobato A,Calleja A,Martínez-Núñez F,Martin-Villacorta J

更新日期：2011-06-01 00:00:00

abstract：:Hydroxyquinol, a common metabolite of aromatic compounds, is readily auto-oxidized to hydroxyquinone. Enzymatic activities that metabolized hydroxyquinone were observed from the cell extracts of Sphingobium chlorophenolicum ATCC 39723. An enzyme capable of transforming hydroxyquinone was partially purified, and its ac...

journal_title：Biodegradation

authors： Bohuslavek J,Chanama S,Crawford RL,Xun L

更新日期：2005-08-01 00:00:00

abstract：:Microbial adhesion is an important factor that can influence biodegradation of poorly water soluble hydrocarbons such as phenanthrene. This study examined how adhesion to an oil-water interface, as mediated by 1-dodecanol, enhanced phenanthrene biodegradation by Pseudomonas fluorescens LP6a. Phenanthrene was dissolved...

journal_title：Biodegradation

authors： Abbasnezhad H,Foght JM,Gray MR

更新日期：2011-06-01 00:00:00

abstract：:The potential toxicity of the s-triazine herbicide atrazine motivates continuous bioremediation-directed research. Several indigenous soil atrazine-catabolizing microbial associations and monocultures have been enriched/isolated from compromised sites. Of these, Pseudomonas sp. strain ADP has become a reference strain...

journal_title：Biodegradation

authors： Ralebits TK,Senior E,van Verseveld HW

更新日期：2002-01-01 00:00:00

abstract：:The ability of bacterial cultures to degrade diethanolamine under anoxic conditions with nitrate as an electron acceptor was investigated. A mixed culture capable of anaerobic degradation of diethanolamine was obtained from river sediments by enrichment culture. From this a single bacterial strain was isolated which c...

journal_title：Biodegradation

authors： Knapp JS,Jenkey ND,Townsley CC

更新日期：1996-06-01 00:00:00

abstract：:This paper presents results on anaerobic degradation of the azo dye blue HFRL in a bench scale Upflow anaerobic sludge blanket (UASB) reactor operated at ambient temperature. The results show that the addition of yeast extract (500 mg/L) increased color removal (P < 0.05) from 62 to 93% despite the low chemical oxygen...

journal_title：Biodegradation

authors： Baêta BE,Aquino SF,Silva SQ,Rabelo CA

更新日期：2012-04-01 00:00:00

abstract：:Clogging of leachate collection systems within municipal solid waste landfills can result in greater potential for contaminants to breach the landfill barrier system. The primary cause of clogging is calcium carbonate (CaCO3(s)) precipitation from leachate and its accumulation within the pore space of the drainage med...

journal_title：Biodegradation

authors： VanGulck JF,Rowe RK,Rittmann BE,Cooke AJ

更新日期：2003-10-01 00:00:00

abstract：:Denitrifying granular sludge reactor holds better nitrogen removal efficiency than other kinds of denitrifying reactors, while this reactor commonly needs seeding anaerobic granular sludge and longer period for start-up in practice, which restricted the application of denitrifying granular sludge reactor. This study p...

journal_title：Biodegradation

authors： Chen Z,Wang X,Chen X,Chen J,Gu X

更新日期：2018-12-01 00:00:00

abstract：:The aim of this review is to give a general account on the oxidative microbial degradation of flavonols. Since now 50 years, various research groups have deciphered the way microorganisms aerobically deal with this important class of flavonoids. Flavonols such as rutin and quercetin are abundantly found in vegetal tis...

journal_title：Biodegradation

authors： Tranchimand S,Brouant P,Iacazio G

更新日期：2010-11-01 00:00:00

abstract：:Monoterpenes are important renewable resources for the perfume and flavour industry but the pathways and enzymology of their degradation by microorganisms are not well documented. Until recently the acyclic monoterpene alcohols, (+)-camphor and the isomers of limonene were the only compounds for which significant sect...

journal_title：Biodegradation

authors： Trudgill PW

更新日期：1990-01-01 00:00:00

abstract：:The performance of an Arthrobacter viscosus culture to remove diethylketone from aqueous solutions was evaluated. The effect of initial concentration of diethylketone on the growth of the bacteria was evaluated for the range of concentration between 0 and 4.8 g/l, aiming to evaluate a possible toxicological effect. Th...

journal_title：Biodegradation

authors： Costa F,Quintelas C,Tavares T

更新日期：2012-02-01 00:00:00

abstract：:In biological nitrogen removal, application of the autotrophic anammox process is gaining ground worldwide. Although this field has been widely researched in last years, some aspects as the accelerating effect of putative intermediates (mainly N₂H₄ and NH₂OH) need more specific investigation. In the current study, exp...

journal_title：Biodegradation

authors： Zekker I,Kroon K,Rikmann E,Tenno T,Tomingas M,Vabamäe P,Vlaeminck SE,Tenno T

更新日期：2012-09-01 00:00:00

abstract：:The objectives of this paper are to review the wide range of kinetic models that have been introduced to describe the cometabolic oxidation of chlorinated solvents, to compare modeling approaches and associated experimental data, and to discuss knowledge gaps in the general topic of cometabolism kinetics. To begin, a ...

journal_title：Biodegradation

authors： Alvarez-Cohen L,Speitel GE Jr

更新日期：2001-01-01 00:00:00