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abstract::The effect of the inoculum source on the digestion of linear alkylbenzene sulfonates (LAS) under anaerobic conditions has been investigated. The potential for primary and ultimate LAS biodegradation of anaerobic sludge samples obtained from wastewater treatment plants (WWTPs) of different geographical locations was st...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1007/s10532-005-2798-x
更新日期:2006-02-01 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
pub_type: 杂志文章
doi:10.1007/s10532-005-0826-5
更新日期:2005-12-01 00:00:00
abstract::A gene probe for the detection of polycyclic aromatic hydrocarbon (PAH) induced nidB and nidA dioxygenase genes has been designed from Mycobacteria JLS, KMS, and MCS. The probe detects a catabolic gene involved in the initial steps of PAH biodegradation in mycobacteria. The gene probe is comprised of three PCR primer ...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1007/s10532-004-5669-y
更新日期:2005-10-01 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
pub_type: 杂志文章
doi:10.1007/s10532-004-2058-5
更新日期:2005-08-01 00:00:00
abstract::In a recent study on the degradation of N,N'-dibutylurea (DBU), a breakdown product of benomyl [methyl 1-(butylcarbamoyl)-2-benzimidazole carbamate], the active ingredient in Benlate fungicides, degradation half-lives of 1.4-46.5 days were observed across several soils incubated at various combinations of soil moistur...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1007/s10532-004-1361-5
更新日期:2005-06-01 00:00:00
abstract::The increasing production of several plastics such as expanded polystyrene, widely used as packaging and building materials, has caused the release of considerable amounts of pentane employed as an expanding agent. Today many microorganisms are used to degrade hydrocarbons in order to minimize contamination caused by ...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1007/s10531-004-0473-x
更新日期:2005-02-01 00:00:00
abstract::A three-dimensional model for the transport and reductive dechlorination of chlorinated ethenes in ground-water systems with variable redox conditions is demonstrated and applied to a pilot test for accelerated natural attenuation of trichloroethene (TCE). The rate and extent of biotransformation of TCE and chlorinate...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1023/b:biod.0000044680.39094.cc
更新日期:2004-12-01 00:00:00
abstract::Three identical upflow laboratory-scale biofilters, inoculated with the benzene-degrading strain Pseudomonas sp. NCIMB 9688 but filled up with different packing media (PM), specifically raw sugarcane bagasse, sieved sugarcane bagasse and peat, were employed to eliminate benzene from waste air. Biofilters performances ...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1023/b:biod.0000015613.91044.a4
更新日期:2004-04-01 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
pub_type: 杂志文章
doi:10.1023/a:1027316610450
更新日期:2003-12-01 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
pub_type: 杂志文章
doi:10.1023/a:1025667706695
更新日期:2003-10-01 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
pub_type: 杂志文章
doi:10.1023/a:1024288505979
更新日期:2003-06-01 00:00:00
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
pub_type: 杂志文章
doi:10.1023/a:1023538123655
更新日期:2003-01-01 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
pub_type: 杂志文章,评审
doi:10.1023/a:1016329628618
更新日期:2002-01-01 00:00:00
abstract::Anaerobic pretreated paper process water was characterized in terms of readily biodegradable, slowly biodegradable, very slowly biodegradable and inert wastewater fractions under mesophilic and thermophilic conditions. The anaerobic pretreated paper process water contained a relatively high amount of slowly biodegrada...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1023/a:1021277305333
更新日期:2002-01-01 00:00:00
abstract::A special low-molecular-weight peptide named Gt factor, was isolated and purified from the extracellular culture of brown-rot fungi Gloeophyllum trabeum via gel filtration chromatography and HPLC. It has been shown to reduce Fe3+ to Fe2+. Electron paramagnetic resonance (EPR) spectroscopy revealed Gt factor was able t...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1023/a:1022848414100
更新日期:2002-01-01 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
pub_type: 杂志文章,评审
doi:10.1023/a:1012075322466
更新日期:2001-01-01 00:00:00
abstract::The aerobic biodegradation of National Aeronautics and Space Administration (NASA) wastewater that contains mixtures of highly concentrated methylhydrazine/hydrazine, citric acid and their reaction product was studied on a laboratory-scale fixed film trickle-bed reactor. The degrading organisms, Achromobacter sp., Rho...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1023/a:1011946114017
更新日期:2001-01-01 00:00:00
abstract::A kinetic model to describe the degradation of phenol and cometabolic transformation of 4-chlorophenol (4-cp) in the presence of sodium glutamate (SG) has been developed and validated experimentally. The integrated model accounts for cell growth, toxicity of 4-cp, cross-inhibitions among the three substrates, and the ...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1023/a:1013170322269
更新日期:2001-01-01 00:00:00
abstract::The white rot fungus Phanerochaete chrysosporium, which generally mineralizes substituted aromatics to CO2, transformed linear alkylbenzene sulfonate (LAS) surfactants mainly at their alkyl side chain. Degradation of LAS was evidenced by a zone of clearing on LAS-containing agar plates and colorimetric analysis of liq...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1023/a:1015056530264
更新日期:2001-01-01 00:00:00
abstract::The effect of the presence of an alternate toxic compound (phenol) on the p-nitrophenol (PNP)-degrading activity of freely suspended and calcium alginate immobilized Nocardioides sp. NSP41 was investigated. In the single substrate experiments, when the concentration of phenol and PNP was increased to 1400 mg l(-1) and...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1023/a:1026512922238
更新日期:2000-01-01 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
pub_type: 杂志文章
doi:10.1023/a:1011682714928
更新日期:2000-01-01 00:00:00
abstract::Oxygenation reactions significantly alter the energy and electron flows and, consequently, the overall stoichiometry for the microbial utilization of aromatic compounds. Oxygenation reactions do not yield a net release of electrons, but require an input of electrons to reduce oxygen molecules. The biodegradation pathw...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1023/a:1011162830401
更新日期:2000-01-01 00:00:00
abstract::We have previously shown that the filamentous fungus, Penicillium janthinellum SFU403 (SFU403) oxidizes pyrene to pyrene 1,6- and 1,8-quinones and that the level of pyrenequinones (PQs) subsequently declines suggesting that PQs are not terminal metabolites. The purpose of this study was to determine the fate of PQs in...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1023/a:1011180231044
更新日期:2000-01-01 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
pub_type: 杂志文章
doi:10.1023/a:1011109800916
更新日期:2000-01-01 00:00:00
abstract::The capacity of the beta-Proteobacterium Pseudomonas sp. strain P51, which degrades chlorinated benzenes, to metabolize 1,2,4-trichlorobenzene (TCB) under environmental conditions was tested by its release into two experimental systems. The first system consisted of laboratory scale microcosms which were operated with...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1023/a:1008368006917
更新日期:1999-04-01 00:00:00
abstract::Phenanthrene mineralization rates were found to vary widely among four soils; differences in soil nutrient levels was one hypothesis to explain this variation. To test this hypothesis, phenanthrene mineralization rates were measured in these soils with, and without, added nitrogen and phosphorus. Mineralization rates ...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1023/a:1008359606545
更新日期:1999-02-01 00:00:00
abstract::Continuous bioremediation of gasoline-contaminated water in a packed-bed biobarrier system under oxygen-limited conditions is discussed. This study was part of an extensive effort to develop an alternative technology for the in situ bioremediation of hydrocarbons where there is a limited supply of oxygen. Protruded st...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1023/a:1008327815105
更新日期:1999-01-01 00:00:00
abstract::A biomass adapted to degrade toluene and xylenes in mixture was grown in a batch reactor with substrates supplied by pulses. The inhibition of biomass growth in the course of substrate degradation was investigated. The maximal biomass concentration of 7 g l-1 was obtained using 150 microliters of toluene and 15 microl...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1023/a:1008363422254
更新日期:1999-01-01 00:00:00
abstract::The need for aeration of microcosms during mineralization of 14C-labeled compounds in high oxygen demand environments was assessed using active compost-soil mixtures as the model system. Rapid mineralization of 14C-hexadecane occurred in continuously aerated microcosms while no mineralization occurred in unaerated mic...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1023/a:1008316727321
更新日期:1999-01-01 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
pub_type: 杂志文章
doi:10.1023/a:1008264313065
更新日期:1998-01-01 00:00:00
abstract::Compounds of interest in this work are methanethiol (MeSH), dimethyl sulfide (Me2S), dimethyl polysulfides (Me2Sx) and carbon disulfide (CS2) since these volatiles have been identified as predominant odorants in the emission of a wide range of activities in the bio-industry (e.g. aerobic waste water treatment plants, ...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1023/a:1008281609966
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
pub_type: 杂志文章
doi:10.1023/a:1008203525476
更新日期:1997-01-01 00:00:00
abstract::The biodegradation of rubber particles in rubber-soil mixtures at different rubber contents was monitored by the carbon dioxide production. The cumulative carbon dioxide production was modelled according to a two parameter exponential function. The model provides an excellent fit (R2 > 0.98) for the observed data. The...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1007/BF00115746
更新日期:1996-08-01 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
pub_type: 杂志文章
doi:10.1007/BF00058178
更新日期:1996-06-01 00:00:00
abstract::A strip of tread compound cut from a truck tire was degraded only slightly when it was used as the sole growth substrate for a strain of Nocardia. On the contrary, its degradation was markedly enhanced by addition of a strip cut from a latex glove which the organism readily utilized as a growth substrate. When a glove...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1007/BF00056424
更新日期:1996-01-01 00:00:00
abstract::The DNA sequence upstream of the dhlB gene encoding the haloalkanoic acid dehalogenase of Xanthobacter autotrophicus GJ10 was determined and contained an open reading frame, designated dhlC, which encoded a protein with a significant similarity with the family of Na(+)-dependent symport proteins. The dhlC gene was sub...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1007/BF00700465
更新日期:1995-09-01 00:00:00
abstract::A highly enriched denitrifying mixed culture transformed o-xylene co-metabolically along with toluene by methyl group oxidation. o-Methyl benzaldehyde and o-methyl benzoic acid accumulated transiently as metabolic products of o-xylene transformation. Transformation of o-methyl benzyl alcohol and o-methyl benzaldehyde ...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1007/BF00695344
更新日期:1995-06-01 00:00:00
abstract::From long-term chemostat experiments, variants of Pseudomonas aeruginosa JB2 were obtained which exhibited altered properties with respect to the metabolism of 2,5-dichlorobenzoic acid (2,5-DBA). Thus, unlike the original strain JB2-WT, strain JB2-var1 is able to grow in continuous culture on 2,5-DBA as the sole limit...
journal_title:Biodegradation
pub_type: 杂志文章
doi:10.1007/BF00702297
更新日期:1995-01-01 00:00:00
abstract::Many Pseudomonads are able to use linear alkanes as sole carbon and energy source. The genetics and enzymology of alkane metabolism have been investigated in depth for Pseudomonas oleovorans, which is able to oxidize C5-C12 n-alkanes by virtue of two gene regions, localized on the OCT-plasmid. The so-called alk-genes ...
journal_title:Biodegradation
pub_type: 杂志文章,评审
doi:10.1007/BF00696457
更新日期:1994-12-01 00:00:00
abstract::Biological methane oxidation is carried out by methanotrophs, bacteria that utilize methane as their sole carbon and energy source. The enzyme they contain that is responsible for methane oxidation is methane monooxygenase, the most well studied being the soluble methane monooxygenase enzyme complexes from Methylococc...
journal_title:Biodegradation
pub_type: 杂志文章,评审
doi:10.1007/BF00696456
更新日期:1994-12-01 00:00:00