Characterization and application of a biosurfactant isolated from Candida utilis in salad dressings.

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：: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

authors： Zilli M,Daffonchio D,Di Felice R,Giordani M,Converti A

更新日期：2004-04-01 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

authors： van der Ploeg J,Janssen DB

更新日期：1995-09-01 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：: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

authors： Launen LA,Pinto LJ,Percival PW,Lam SF,Moore MM

更新日期：2000-01-01 00:00:00

abstract：:The mechanisms occurring in a photolytic circulating-bed biofilm reactor (PCBBR) treating 2,4,6-trichlorophenol (TCP) were investigated using batch experiments following three protocols: photodegradation alone (P), biodegradation alone (B), and intimately coupled photodegradation and biodegradation (P&B). Initially, t...

journal_title：Biodegradation

authors： Zhang Y,Pu X,Fang M,Zhu J,Chen L,Rittmann BE

更新日期：2012-07-01 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：:The degradation potential of trichloroethene by the aerobic methane- and ammonia-oxidizing microorganisms naturally associated with wetland plant (Carex comosa) roots was examined in this study. In bench-scale microcosm experiments with washed (soil free) Carex comosa roots, the activity of root-associated methane- an...

journal_title：Biodegradation

authors： Powell CL,Nogaro G,Agrawal A

更新日期：2011-06-01 00:00:00

abstract：:The objective of the present work was to analyze the interrelationship between the aerobic degradation of BPA and readily biodegradable substrates by activated sludge (AS) in semi-continuous reactors (SCRs). AS were obtained from three SCRs fed with glucose, acetate or peptone. AS from these reactors were used as inoc...

journal_title：Biodegradation

authors： Ferro Orozco AM,Contreras EM,Zaritzky NE

更新日期：2018-12-01 00:00:00

abstract：:Heavy contamination of soil with crude oil has caused significant negative environmental impacts and presents substantial hazards to human health. To explore a highly efficient bioaugmentation strategy for these contaminations, experiments were conducted over 180 days in soil heavily contaminated with crude oil (50,00...

journal_title：Biodegradation

authors： Ma XK,Ding N,Peterson EC

更新日期：2015-06-01 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

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：: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

authors： Murrell JC

更新日期：1994-12-01 00:00:00

abstract：:Treatment of oil sands process-affected water (OSPW) using biodegradation has the potential to be an environmentally sound approach for tailings water reclamation. This process is both economical and efficient, however, the recalcitrance of some OSPW constituents, such as naphthenic acids (NAs), require the pre-treatm...

journal_title：Biodegradation

authors： Islam MS,Dong T,McPhedran KN,Sheng Z,Zhang Y,Liu Y,Gamal El-Din M

更新日期：2014-11-01 00:00:00

abstract：:A Monte Carlo model was developed to characterize the molecular composition of polychlorinated alkane mixtures. The model is based upon a simulation of the free-radical chlorination process by which polychlorinated alkane mixtures are produced industrially from n-alkanes. In the model, the free-radical chlorination re...

journal_title：Biodegradation

authors： Jensen SR,Brown WA,Heath E,Cooper DG

更新日期：2007-12-01 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：:A chitosanase and a protease were purified from the culture supernatant of Serratia sp. TKU016 with shrimp shell as the sole carbon/nitrogen source. The molecular masses of the chitosanase and protease determined by SDS-PAGE were approximately 65 and 53 kDa, respectively. The chitosanase was inhibited completely by Mn...

journal_title：Biodegradation

authors： Wang SL,Chang TJ,Liang TW

更新日期：2010-06-01 00:00:00

abstract：:Due to their amphipathic nature, biosurfactants are multifunctional molecules that have considerable potential in several industries, especially the petroleum industry. In this study, the commercial production of a biosurfactant from Pseudomonas cepacia CCT6659 grown on industrial waste was investigated in a semi-indu...

journal_title：Biodegradation

authors： Soares da Silva RCF,de Almeida DG,Brasileiro PPF,Rufino RD,de Luna JM,Sarubbo LA

更新日期：2019-08-01 00:00:00

abstract：:A soil microorganism, designated as P7, was characterized and investigated for its ability to degrade polyurethane (PU). This bacterial isolate was identified as Acinetobacter gerneri on the basis of 16 s rRNA sequencing and biochemical phenotype analysis. The ability of this organism to degrade polyurethane was chara...

journal_title：Biodegradation

authors： Howard GT,Norton WN,Burks T

更新日期：2012-07-01 00:00:00

abstract：:Burkholderia sp. strain AK-5 converts 4-aminophenol to maleylacetic acid via 1,2,4-trihydroxybenzene, which is unstable in vitro and non-enzymatically auto-oxidized to 2-hydroxy-1,4-benzoquinone. Crude extract of strain AK-5 retarded the auto-oxidation and reduced the substrate analogue, 2,6-dimethoxy-1,4-benzoquinone...

journal_title：Biodegradation

authors： Takenaka S,Koshiya J,Okugawa S,Takata A,Murakami S,Aoki K

更新日期：2011-02-01 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：: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

authors： Smet E,Van Langenhove H

更新日期：1998-01-01 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

authors： León E,Seignez C,Adler N,Peringer P

更新日期：1999-01-01 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

authors： Bischoff M,Lee LS,Turco RF

更新日期：2005-06-01 00:00:00

abstract：:Pyridine and pyridine based products are of major concern as environmental pollutants due to their recalcitrant, persistent, toxic and teratogenic nature. In this study, we describe biodegradation of pyridine by an isolated consortium/strain under aerobic condition. Batch experiment results reveal that at lower initia...

journal_title：Biodegradation

authors： Lodha B,Bhadane R,Patel B,Killedar D

更新日期：2008-09-01 00:00:00

abstract：:Soil contamination by hydrocarbons, especially by used lubricating oil, is a growing problem in developing countries, which poses a serious threat to the environment. Phytoremediation of these contaminated soils offers environmental friendly and a cost effective method for their remediation. Hibiscus cannabinus was st...

journal_title：Biodegradation

authors： Abioye OP,Agamuthu P,Abdul Aziz AR

更新日期：2012-04-01 00:00:00

abstract：:Anthropogenic activities have introduced elevated levels of brominated phenols to the environment. These compounds are associated with toxic and endocrine effects, and their environmental fate is of interest. An aerobic strain Ochrobactrum sp. HI1 was isolated from soils in the vicinity of a bromophenol production pla...

journal_title：Biodegradation

authors： Golan R,Gelman F,Kuder T,Taylor AA,Ronen Z,Bernstein A

更新日期：2019-02-01 00:00:00

abstract：:Reductive dechlorination is an advantageous process to microorganisms under anaerobic conditions because it is an electron sink, thereby allowing reoxidation of metabolic intermediates. In some organisms this has been demonstrated to support growth. Many chlorinated compounds have now been shown to be reductively dech...

journal_title：Biodegradation

authors： Tiedje JM,Quensen JF 3rd,Chee-Sanford J,Schimel JP,Boyd SA

更新日期：1993-01-01 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

authors： Johnson CR,Scow KM

更新日期：1999-02-01 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

authors： Hall K,Miller CD,Sorensen DL,Anderson AJ,Sims RC

更新日期：2005-10-01 00:00:00