1,418 results match your criteria Biodegradation[Journal]


Performance, kinetics characteristics and enhancement mechanisms in anammox process under Fe(II) enhanced conditions.

Biodegradation 2020 Jun 10. Epub 2020 Jun 10.

College of Marine Science, Zhejiang Ocean University, No.1 Haida South Road, Zhoushan, 316022, People's Republic of China.

In order to explore the performance, kinetics characteristics and enhancement mechanisms in anammox process under ferrous iron enhanced conditions, a laboratory-scale UASB anammox reactor has been built up and operated for 534 days. Experimental results showed that the Anammox process was successfully started up in a short operation period and the TNRE reached 83.34 ± 2. Read More

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http://dx.doi.org/10.1007/s10532-020-09905-yDOI Listing

A microcosm study on persulfate oxidation combined with enhanced bioremediation to remove dissolved BTEX in gasoline-contaminated groundwater.

Biodegradation 2020 Jun 29;31(3):213-222. Epub 2020 May 29.

College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541006, China.

The combination of persulfate (PS) oxidation with enhanced bioremediation (EBR) is a potential trend in remediating organic-contaminated groundwater. However, the impacts of PS on EBR presented in the transition zone between PS oxidation zone and EBR zone need further study. To better characterize the impacts and provide available indicators, PS oxidation and EBR with nitrate amended were performed through the microcosm experiments to remove dissolved benzene, toluene, ethylbenzene and xylene (denoted as BTEX) in gasoline-saturated groundwater. Read More

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http://dx.doi.org/10.1007/s10532-020-09904-zDOI Listing

Enhanced long-term attenuation of 1,4-dioxane in bioaugmented flow-through aquifer columns.

Biodegradation 2020 Jun 28;31(3):201-211. Epub 2020 May 28.

Department of Civil and Environmental Engineering, Rice University, Houston, TX, 77005, USA.

Long term natural attenuation of 1,4-dioxane (dioxane) and its enhanced biodegradation after bioaugmentation with Pseudonocardia dioxanivorans CB1190 were assessed using flow-through aquifer columns. Natural attenuation of dioxane was not observed even after 2 years of acclimation. However, dioxane removal was observed in the bioaugmented columns (34% when the influent was 200 µg/L and 92% for 5 mg/L). Read More

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http://dx.doi.org/10.1007/s10532-020-09903-0DOI Listing

Metagenomic insights into microbial characterizations in explaining the distinction of biofilter performance during start-up.

Biodegradation 2020 Jun 27;31(3):183-199. Epub 2020 May 27.

Key Lab of Basin Water Resource and Eco-Environmental Science in Hubei Province, Changjiang River Scientific Research Institute, Wuhan, 430010, China.

As an effective alternative for dissolved nitrogen removal, biofilter closely associates its treatment performance to structural and/or operational conditions. In this study, a set of four different biofilters including MAVF (mature aerated vertical flow), NAVF (new aerated vertical flow), NVF (new non-aerated vertical flow), and BHF (baffled non-aerated horizontal flow) were employed to purify low C/N ratio (3.8) domestic wastewater. Read More

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http://dx.doi.org/10.1007/s10532-020-09902-1DOI Listing

Investigating promising substrates for promoting 1,4-dioxane biodegradation: effects of ethane and tetrahydrofuran on microbial consortia.

Biodegradation 2020 Jun 2;31(3):171-182. Epub 2020 May 2.

Department of Civil and Environmental Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, FL, 32310, USA.

Cometabolic biodegradation of 1,4-dioxane (dioxane) in the presence of primary substrates is a promising strategy for treating dioxane at environmentally relevant concentrations. Seven aqueous amendments (i.e. Read More

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http://dx.doi.org/10.1007/s10532-020-09901-2DOI Listing

Isolation and characterization of 2-butoxyethanol degrading bacterial strains.

Biodegradation 2020 Jun 30;31(3):153-169. Epub 2020 Apr 30.

Department of Biological Waste Air Purification, Institute for Sanitary Engineering, Water Quality and Solid Waste Management, University of Stuttgart, Bandtaele 2, 70569, Stuttgart, Germany.

A total of 11 bacterial strains capable of completely degrading 2-butoxyethanol (2-BE) were isolated from forest soil, a biotrickling filter, a bioscrubber, and activated sludge, and identified by 16S rRNA gene sequence analysis. Eight of these strains belong to the genus Pseudomonas; the remaining three strains are Hydrogenophaga pseudoflava BOE3, Gordonia terrae BOE5, and Cupriavidus oxalaticus BOE300. In addition to 2-BE, all isolated strains were able to grow on 2-ethoxyethanol and 2-propoxyethanol, ethanol, n-hexanol, ethyl acetate, 2-butoxyacetic acid (2-BAA), glyoxylic acid, and n-butanol. Read More

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http://dx.doi.org/10.1007/s10532-020-09900-3DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7299911PMC

Aerobic degradation of dichlorinated dibenzo-p-dioxin and dichlorinated dibenzofuran by bacteria strains obtained from tropical contaminated soil.

Biodegradation 2020 Apr 27;31(1-2):123-137. Epub 2020 Apr 27.

Department of Civil and Environmental Engineering, University of Houston, Houston, TX, 77204-4003, USA.

Bacterial diversity and aerobic catabolic competence of dioxin-degrading bacterial strains isolated from a polluted soil in the tropics were explored. Isolation of bacteria occurred after 12 months of consecutive enrichment, with dioxin congeners serving as the only sources of carbon and energy. Seventeen strains that were isolated were subsequently screened for dioxin metabolic competence. Read More

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http://dx.doi.org/10.1007/s10532-020-09898-8DOI Listing

Characterization of carbaryl-degrading strain Bacillus licheniformis B-1 and its hydrolase identification.

Biodegradation 2020 Apr 18;31(1-2):139-152. Epub 2020 Apr 18.

College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, People's Republic of China.

Pesticides introduced inadvertently or deliberately into environment by anthropogenic activity have caused growing global public concern, therefore the search of approaches for elimination of such xenobiotics should be encouraged. A cypermethrin-degrading bacterial strain Bacillus licheniformis B-1 was found to efficiently degrade carbaryl in LB medium at concentrations of 50-300 mg L within 48 h, during which temperature and pH played important roles as reflected by increase in pollutant depletion. A stimulatory effect of Fe and Mn on microbial growth was observed, whereas Cu caused inhibition of degradation. Read More

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http://dx.doi.org/10.1007/s10532-020-09899-7DOI Listing

The influence of upflow velocity and hydraulic retention time changes on taxonomic and functional characterization in Fluidized Bed Reactor treating commercial laundry wastewater in co-digestion with domestic sewage.

Biodegradation 2020 Apr 7;31(1-2):73-89. Epub 2020 Apr 7.

Laboratory of Biological Processes, Department of Hydraulics and Sanitation, Engineering School of São Carlos - University of São Paulo (EESC - USP), Campus II, São Carlos, SP, CEP 13563-120, Brazil.

A large-scale (19.8L) Fluidized Bed Reactor (FBR) operated for 592 days was used to assess the removal performance of linear alkylbenzene sulfonate (LAS). Adjustments in hydraulic retention time (HRT) (18 and 30 h), ethanol (50, 100, 200 mg L) and linear alkylbenzene sulfonate (LAS) concentration (6. Read More

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http://dx.doi.org/10.1007/s10532-020-09895-xDOI Listing

Enrichment and key features of a robust and consistent indigenous marine-cognate microbial consortium growing on oily bilge wastewaters.

Biodegradation 2020 Apr 6;31(1-2):91-108. Epub 2020 Apr 6.

Instituto de Ciencia y Tecnología de Alimentos y Ambiente, INCITAA, CIC, Universidad Nacional de Mar del Plata, J.B. Justo 4302, Mar del Plata, Argentina.

Oily bilge wastewater (OBW) is a hazardous hydrocarbon-waste generated by ships worldwide. In this research, we enriched, characterized and study the hydrocarbon biodegradation potential of a microbial consortium from the bilges of maritime ships. The consortium cZ presented a biodegradation efficiency of 66. Read More

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http://dx.doi.org/10.1007/s10532-020-09896-wDOI Listing
April 2020
2.336 Impact Factor

Fungal treatment of mature landfill leachate utilizing woodchips and wheat-straw as co-substrates.

Biodegradation 2020 Apr 5;31(1-2):109-122. Epub 2020 Apr 5.

Department of Civil Engineering, University of Manitoba, Winnipeg, MB, R3T 5V6, Canada.

Mature landfill leachate (MLL) tend to be highly contaminated due to the presence of refractory contaminants such as humic-fulvic substances, xenobiotic compounds, and heavy metals. This study investigated the treatment efficiency of MLL by deploying Cladosporium sp., Trichoderma asperellum, and Tyromyces chioneus fungal strains. Read More

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http://dx.doi.org/10.1007/s10532-020-09897-9DOI Listing

Enrichment and characterization of a bilge microbial consortium with oil in water-emulsions breaking ability for oily wastewater treatment.

Biodegradation 2020 Apr 19;31(1-2):57-72. Epub 2020 Mar 19.

Instituto de Ciencia Y Tecnología de Alimentos Y Ambiente, INCITAA, CIC, Universidad Nacional de Mar del Plata, J. B. Justo 4302, Mar del Plata, Argentina.

Oily bilge wastewater is one of the main sources of hydrocarbons pollution in marine environments due to accidental or clandestine discharges. The main technical challenge for its effective treatment is the presence of stable oil-in-water (O/W) emulsions. In this work we are reporting an enriched microbial consortium from bilge wastewater with remarkable ability to demulsify oil in water emulsions. Read More

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http://dx.doi.org/10.1007/s10532-020-09894-yDOI Listing
April 2020
2.336 Impact Factor

Study and valorisation of wastewaters generated in the production of bacterial nanocellulose.

Biodegradation 2020 Apr 19;31(1-2):47-56. Epub 2020 Mar 19.

Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal.

Two culture media were tested for the production of bacterial nanocellulose (BNC) under static culture fermentation, one containing molasses (Mol-HS), the other molasses and corn steep liquor (Mol-CSL), as a source of carbon and nitrogen, respectively. These are low-cost nutrients widely available, which provide very good BNC productivities. However, the use of these substrates generates wastewaters with high organic loads. Read More

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http://dx.doi.org/10.1007/s10532-020-09893-zDOI Listing

Effects of graphene oxide and reduced graphene oxide on acetoclastic, hydrogenotrophic and methylotrophic methanogenesis.

Biodegradation 2020 Apr 28;31(1-2):35-45. Epub 2020 Feb 28.

Laboratory for Research On Advanced Processes for Water Treatment, Engineering Institute, Universidad Nacional Autónoma de México (UNAM), Campus Juriquilla, Blvd. Juriquilla 3001, 76230, Querétaro, Mexico.

This study describes the effects of graphene oxide (GO) and reduced graphene oxide (rGO) on the acetoclastic, hydrogenotrophic and methylotrophic pathways of methanogenesis by an anaerobic consortium. The results showed that GO negatively affected the hydrogenotrophic and acetoclastic pathways at a concentration of 300 mg/L, causing a decrease of ~ 38% on the maximum specific methanogenic activity (MMA) with respect to the controls lacking GO. However, the presence of rGO (300 mg/L) promoted an improvement of the MMA (> 45%) achieved with all substrates, except for the hydrogenotrophic pathway, which was relatively insensitive to rGO. Read More

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http://dx.doi.org/10.1007/s10532-020-09892-0DOI Listing

Carbon sources that enable enrichment of 1,4-dioxane-degrading bacteria in landfill leachate.

Biodegradation 2020 Apr 13;31(1-2):23-34. Epub 2019 Sep 13.

Division of Sustainable Energy and Environmental Engineering, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan.

1,4-Dioxane (DX) is a recalcitrant cyclic ether that has gained attention as an emerging pollutant in the aquatic environment. Enrichment of indigenous DX-degrading bacteria, which are considered to be minor populations even in DX-impacted environments, is the key for efficient biological DX removal. Therefore, this study aimed to explore carbon sources applicable for the enrichment of DX-degrading bacteria present in landfill leachate, which is a potential source of DX pollution. Read More

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http://dx.doi.org/10.1007/s10532-019-09891-wDOI Listing
April 2020
1 Read

Microbiology of municipal solid waste landfills: a review of microbial dynamics and ecological influences in waste bioprocessing.

Biodegradation 2020 Apr 11;31(1-2):1-21. Epub 2019 Sep 11.

Department of Environmental Sciences, University of South Africa (UNISA), Florida, P.O. Box X6, Johannesburg, 1710, South Africa.

Municipal solid waste landfills are widely used as a waste management tool and landfill microbiology is at the core of waste degradation in these ecosystems. This review investigates the microbiology of municipal solid waste landfills, focusing on the current state of knowledge pertaining to microbial diversity and functions facilitating in situ waste bioprocessing, as well as ecological factors influencing microbial dynamics in landfills. Bioprocessing of waste in municipal landfills emanates from substrate metabolism and co-metabolism by several syntrophic microorganisms, resulting in partial transformation of complex substrates into simpler polymeric compounds and complete mineralisation into inorganic salts, water and gases including the biofuel gas methane. Read More

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http://dx.doi.org/10.1007/s10532-019-09890-xDOI Listing

Enrichment and characterization of a highly efficient tetrahydrofuran-degrading bacterial culture.

Biodegradation 2019 12 28;30(5-6):467-479. Epub 2019 Aug 28.

MOE Laboratory of Biosystem Homeostasis and Protection, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China.

Tetrahydrofuran (THF) is a ubiquitous toxic and carcinogenic pollutant. Screening for pure or mixed-culture microorganisms that can efficiently degrade THF is difficult due to its chemical stability. In this study, an enrichment culture, H-1, with a stable THF-degrading ability and microbial community structure was enriched from activated sludge and could efficiently degrade 95% of 40 mM THF within 6 days. Read More

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http://dx.doi.org/10.1007/s10532-019-09888-5DOI Listing
December 2019

Methane oxidation coupled to vanadate reduction in a membrane biofilm batch reactor under hypoxic condition.

Biodegradation 2019 12 13;30(5-6):457-466. Epub 2019 Aug 13.

MOE Key Lab of Environmental Remediation and Ecosystem Health, College of Environmental and Resource Science, Zhejiang University, Hangzhou, 310058, China.

This study shows vanadate (V(V)) reduction in a methane (CH) based membrane biofilm batch reactor when the concentration of dissolved oxygen (O) was extremely low. V(IV) was the dominant products formed from V(V) bio-reduction, and majority of produced V(IV) transformed into precipitates with green color. Quantitative polymerase chain reaction and Illumina sequencing analysis showed that archaea methanosarcina were significantly enriched. Read More

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http://dx.doi.org/10.1007/s10532-019-09887-6DOI Listing
December 2019
2.336 Impact Factor

The effect of quorum sensing on performance of salt-tolerance aerobic granular sludge: linking extracellular polymeric substances and microbial community.

Biodegradation 2019 12 24;30(5-6):447-456. Epub 2019 Jul 24.

School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China.

Aerobic granular sludge (AGS) technology is generally negatively affected by the salinity in high saline organic wastewater. The effect of salinity on organic pollutants removal of AGS was studied in three parallel sequencing batch reactors. The results indicated that the performance of reactors operating at relative low salinity (1%) remained stable. Read More

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http://dx.doi.org/10.1007/s10532-019-09886-7DOI Listing
December 2019
3 Reads
2.336 Impact Factor

The potential application of biosurfactant produced by Pseudomonas aeruginosa TGC01 using crude glycerol on the enzymatic hydrolysis of lignocellulosic material.

Biodegradation 2019 08 27;30(4):351-361. Epub 2019 Jun 27.

Federal University of Pernambuco, Av. Prof. Moraes Rego, 1235, Cidade Universitária, Recife, Pernambuco, 50670 901, Brazil.

The production of biosurfactant by Pseudomonas aeruginosa TGC01 using crude glycerol and sodium nitrate as the sole substrate and nitrogen source, respectively, was investigated using two mineral culture media. Two inoculum sizes (5 and 10% v/v) and two volumes of the culture medium (50 and 100 mL) in 500 mL Erlenmeyer flask also were used. Enzymatic hydrolyses of waste office paper (WOP), newspaper (NP) and eucalyptus wood chips (EWC) were carried out using the biosurfactant from P. Read More

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http://dx.doi.org/10.1007/s10532-019-09883-wDOI Listing
August 2019
2 Reads

Effects of chitin and temperature on sub-Arctic soil microbial and fungal communities and biodegradation of hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) and 2,4-dinitrotoluene (DNT).

Biodegradation 2019 12 27;30(5-6):415-431. Epub 2019 Jun 27.

U.S. Army Engineer Research and Development Center, Environmental Laboratory, 3909 Halls Ferry Road, Vicksburg, MS, 39180, USA.

Climate warming in the Arctic and the thawing of frozen carbon stocks are leading to uncertainty as to how bacterial communities will respond, including pollutant degrading bacteria. This study investigated the effects of carbon stimulation and temperature on soil microbial community diversity and explosive biodegradation in two sub-Arctic soils. Chitin as a labile carbon source stimulated overall microbial activities as reflected by increases in basal respiration (three to tenfold) and potential nitrification activity (two to fourfold) compared to unamended soil. Read More

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http://dx.doi.org/10.1007/s10532-019-09884-9DOI Listing
December 2019
1 Read

Degradation of 3-fluoroanilne by Rhizobium sp. JF-3.

Biodegradation 2019 12 25;30(5-6):433-445. Epub 2019 Jun 25.

Engineering Division, Department of Mine, Metallurgy and Geology Engineering, University of Guanajuato, Guanajuato, Gto, 36000, Mexico.

The interest of fluoroanilines in the environment is due to their extensive applications in industry and their low natural biodegradability. A pure bacterial strain capable of degrading 3-fluoroaniline (3-FA) as the sole source of carbon and energy was isolated from a sequencing batch reactor operating for the treatment of 3-FA. The strain (designated as JF-3) was identified by 16S rRNA gene analysis as a member of the genus Rhizobium. Read More

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http://dx.doi.org/10.1007/s10532-019-09885-8DOI Listing
December 2019

Treatment of oily effluent using a low-cost biosurfactant in a flotation system.

Biodegradation 2019 08 24;30(4):335-350. Epub 2019 Jun 24.

Catholic University of Pernambuco (UNICAP), Rua do Príncipe, n. 526, Boa Vista, Recife, Pernambuco, Zip Code: 50050-900, Brazil.

Fuel and lubricating oil leaks produce an oily wastewater that creates an environmental problem for industries. Dissolved air flotation (DAF) has been successfully employed for the separation of oily contaminants. Collectors constitute an auxiliary tool in the DAF process that enhances the separation efficiency by facilitating the adhesion of the contaminant particles. Read More

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http://dx.doi.org/10.1007/s10532-019-09881-yDOI Listing
August 2019
2 Reads

Microbial reduction of bromate: current status and prospects.

Biodegradation 2019 12 24;30(5-6):365-374. Epub 2019 Jun 24.

College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, People's Republic of China.

Bromate is a disinfection byproduct (DBP) that forms during the ozonation of bromide-containing natural water, which may cause health risks to humans. In this review, we provide an overview of the mechanism of bromate formation, microbial communities and bioreactors that are responsible for bromate reduction. Bromate can be formed through two pathways of bromide oxidation by ozone or by OH, and it can be removed by biological approaches. Read More

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http://link.springer.com/10.1007/s10532-019-09882-x
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http://dx.doi.org/10.1007/s10532-019-09882-xDOI Listing
December 2019
3 Reads

Biofilm microbial composition changes due to different surface chemical modifications of activated carbon cloths in the biotransformation of 4-nitrophenol.

Biodegradation 2019 12 11;30(5-6):401-413. Epub 2019 Jun 11.

Evolution of Metabolic Diversity Laboratory, Unidad de Genómica Avanzada (Langebio), Cinvestav-IPN, Km 9.6 Libramiento Norte, Carretera Irapuato-León, Irapuato, C.P. 36821, Guanajuato, Mexico.

Activated carbon cloths (ACCs) were used as biofilms supports in the anaerobic biotransformation of 4-nitrophenol (4NP). As received ACC material (AW) was oxidized with HNO (OX) and then functionalized with anthraquinone-2,6-disulfonate (AQ). The three ACCs were packed in hybrid UASB reactors and seeded with anaerobic granular sludge for biotransformation experiments. Read More

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http://dx.doi.org/10.1007/s10532-019-09880-zDOI Listing
December 2019
7 Reads

A challenge in anaerobic digestion of swine wastewater: recalcitrance and enhanced-degradation of dietary fibres.

Biodegradation 2019 12 23;30(5-6):389-400. Epub 2019 May 23.

School of Environmental and Natural Resources, Zhejiang University of Science & Technology, 318 Liuhe Rd, Hangzhou, 310023, Zhejiang, People's Republic of China.

Dietary fibres are main substances in the pig's feed. Because of the recalcitrance, they could enter swine wastewater and become a serious obstruction factor for the anaerobic digestion process. In this work, three dietary fibres abundant in pig feedstocks: Wheat Bran Fibre (WBF), Alfalfa Fibre (AF) and Rice Chaff Fibre (RCF) were chosen and their anaerobic degradability was determined. Read More

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http://dx.doi.org/10.1007/s10532-019-09879-6DOI Listing
December 2019
3 Reads

Bioprocess optimization and production of biosurfactant from an unexplored substrate: Parthenium hysterophorus.

Biodegradation 2019 08 18;30(4):325-334. Epub 2019 May 18.

Biopharmacy Lab, Department of Microbial Biotechnology, Bharathiar University, Coimbatore, 641046, Tamil Nadu, India.

Biosurfactants are one among the best alternative for synthetic surfactants that are exploited by many researchers. Several agro wastes help to reduce the cost biosurfactants by being renewable and economical. The present research focuses on the biosurfactant production from Pseudomonas mosselii utilizing Parthenium hysterophorus as a relatively cheap substrate. Read More

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http://dx.doi.org/10.1007/s10532-019-09878-7DOI Listing
August 2019
4 Reads

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

Biodegradation 2019 08 14;30(4):313-324. Epub 2019 May 14.

Centro de Ciências e Tecnologia, Universidade Católica de Pernambuco (UNICAP), Rua do Príncipe, n. 526, Boa Vista, Recife, PE, CEP 50050-900, Brazil.

This study aimed at characterizing a biosurfactant from Candida utilis, and use it in the preparation of salad dressings. The biosurfactant was produced in mineral medium supplemented with 6% glucose and 6% waste frying canola oil. The crude biosurfactant was then tested for stability in different conditions of pH, salt concentration, heating time and temperature. Read More

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http://link.springer.com/10.1007/s10532-019-09877-8
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http://dx.doi.org/10.1007/s10532-019-09877-8DOI Listing
August 2019
5 Reads

Degradation of N-nitrosodimethylamine and its amine precursors by cumene-induced Rhodococcus sp. strain L4.

Biodegradation 2019 12 14;30(5-6):375-388. Epub 2019 May 14.

Environmental Assessment and Technology for Hazardous Waste Management Research Center, Faculty of Environmental Management, Prince of Songkla University, Songkhla, 90112, Thailand.

N-nitrosodimethylamine (NDMA) is a potential carcinogen that is produced as a disinfection by-product of chloramination or chlorination process in water and wastewater treatment systems. The ability of the dioxygenase-expressing bacteria, Rhodococcus sp. strain L4, to degrade NDMA after induction with cumene was examined in the presence and absence of its potential precursors. Read More

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http://dx.doi.org/10.1007/s10532-019-09876-9DOI Listing
December 2019
1 Read

Evaluation of methanotrophic bacterial communities capable of biodegrading trichloroethene (TCE) in acidic aquifers.

Biodegradation 2019 06 11;30(2-3):173-190. Epub 2019 Apr 11.

Zachry Department of Civil Engineering, Texas A&M University, College Station, TX, 77843-3136, USA.

While bioremediation technologies for trichloroethene (TCE), a suspected carcinogen, have been successfully demonstrated in neutral pH aquifers, these technologies are often ineffective for remediating TCE contamination in acidic aquifers (i.e., pH < 5. Read More

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http://dx.doi.org/10.1007/s10532-019-09875-wDOI Listing
June 2019
1 Read

Production of novel rhamnolipids via biodegradation of waste cooking oil using Pseudomonas aeruginosa MTCC7815.

Biodegradation 2019 08 1;30(4):301-312. Epub 2019 Apr 1.

Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, 781039, India.

In this paper, Pseudomonas aeruginosa MTCC7815, a biosurfactant producing strain was studied for its ability to utilize waste cooking oil (WCO) as a sole carbon source for the production of biosurfactant. Culture conditions were optimized based on surface tension reduction and biomass concentration. The obtained biosurfactant was characterized using H NMR, FTIR, LC-MS, and MALDI-TOF techniques. Read More

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http://dx.doi.org/10.1007/s10532-019-09874-xDOI Listing
August 2019
3 Reads
2.336 Impact Factor

Degradation of 3,5,6-trichloro-2-pyridinol by a microbial consortium in dryland soil with anaerobic incubation.

Biodegradation 2019 06 30;30(2-3):161-171. Epub 2019 Mar 30.

College of Life Science, Liaocheng University, Liaocheng, 252059, China.

Biodegradation of 3,5,6-trichloro-2-pyridinol (TCP) in drylands is an important biological process of detoxification. Flooding in drylands can result in the formation of anaerobic habitats. However, little is known about the microbial metabolism of TCP in dryland soil under anaerobic conditions. Read More

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http://dx.doi.org/10.1007/s10532-019-09873-yDOI Listing
June 2019
2 Reads
2.336 Impact Factor

Identification of naphthalene carboxylase subunits of the sulfate-reducing culture N47.

Biodegradation 2019 06 15;30(2-3):147-160. Epub 2019 Mar 15.

Biofilm Centre, Universität Duisburg-Essen, Essen, Germany.

Expanding industrialization and the associated usage and production of mineral oil products has caused a worldwide spread of polycyclic aromatic hydrocarbons. These pollutants accumulate and persist under anoxic conditions but little is known about the biochemical reactions catalyzing their anaerobic degradation. Recently, carboxylation of naphthalene was demonstrated for the sulfate-reducing culture N47. Read More

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http://dx.doi.org/10.1007/s10532-019-09872-zDOI Listing
June 2019
1 Read

Impact of primary carbon sources on microbiome shaping and biotransformation of pharmaceuticals and personal care products.

Biodegradation 2019 06 28;30(2-3):127-145. Epub 2019 Feb 28.

Department of Civil and Environmental Engineering, Colorado State University, 1301 Campus Delivery, Fort Collins, CO, 80523, USA.

Knowledge of the conditions that promote the growth and activity of pharmaceutical and personal care product (PPCP)-degrading microorganisms within mixed microbial systems are needed to shape microbiomes in biotreatment reactors and manage process performance. Available carbon sources influence microbial community structure, and specific carbon sources could potentially be added to end-of-treatment train biotreatment systems (e.g. Read More

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http://link.springer.com/10.1007/s10532-019-09871-0
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http://dx.doi.org/10.1007/s10532-019-09871-0DOI Listing
June 2019
25 Reads

Role of hydrogen (H) mass transfer in microbiological H-threshold studies.

Biodegradation 2019 06 20;30(2-3):113-125. Epub 2019 Feb 20.

Biodesign Swette Center for Environmental Biotechnology, Arizona State University, 1001 S. McAllister Avenue, Tempe, AZ, 85287-5701, USA.

Gas-to-liquid mass transfer of hydrogen (H) was investigated in a gas-liquid reactor with a continuous gas phase, a batch liquid phase, and liquid mixing regimes relevant to assessing kinetics of microbial H consumption. H transfer was quantified in real-time with a H microsensor for no mixing, moderate mixing [100 rotations per minute (rpm)], and rapid mixing (200 rpm). The experimental results were simulated by mathematical models to find best-fit values of volumetric mass transfer coefficients-ka-for H, which were 1. Read More

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http://dx.doi.org/10.1007/s10532-019-09870-1DOI Listing
June 2019
2 Reads

Biodegradability of legacy crude oil contamination in Gulf War damaged groundwater wells in Northern Kuwait.

Biodegradation 2019 02 6;30(1):71-85. Epub 2019 Feb 6.

CSIRO Land and Water, Centre for Environment and Life Sciences, Private Bag No.5, Wembley, WA, 6913, Australia.

During the 1991 Gulf War, oil wells in the oil fields of Kuwait were set aflame and destroyed. This resulted in severe crude oil pollution of the countries only fresh water aquifers. Here, for the first time the natural attenuation and biodegradation of the persisting groundwater contamination was investigated to assess potential processes in the aquifer. Read More

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http://dx.doi.org/10.1007/s10532-019-09867-wDOI Listing
February 2019
1 Read

Methane utilization in aerobic methane oxidation coupled to denitrification (AME-D): theoretical estimation and effect of hydraulic retention time (HRT).

Biodegradation 2019 06 5;30(2-3):101-112. Epub 2019 Feb 5.

Department of Environmental Engineering, Korea University, Sejong-ro 2511, Sejong, 30019, Republic of Korea.

Even though aerobic methane-oxidation coupled to denitrification (AME-D) has been extensively studied, the exact estimation of CH utilization during this process still requires better understanding because effective utilization of CH is essential in denitrification performance, CH emission and economy. This study presents the effect of hydraulic retention time (HRT) on CH utilization in an AME-D bioreactor. Stoichiometries for AME-D were newly established by using the energy balance and the thermodynamic electron equivalent model. Read More

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http://link.springer.com/10.1007/s10532-019-09869-8
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http://dx.doi.org/10.1007/s10532-019-09869-8DOI Listing
June 2019
13 Reads

Recovery of unstable digestion of vegetable waste by adding trace elements using the bicarbonate alkalinity to total alkalinity ratio as an early warning indicator.

Biodegradation 2019 02 1;30(1):87-100. Epub 2019 Feb 1.

Biogas Institute of Ministry of Agriculture, No. 13 Section 4, Renmin Nan Road, Chengdu, 610041, Sichuan, China.

Vegetable waste (VW) is highly perishable and susceptible to acidification during anaerobic digestion, which inhibits biogas production. Effective process monitoring, diagnosis and control are necessary to maintain stable anaerobic digestion at a high organic loading rate (OLR). Continuous mesophilic digestion was conducted at OLRs of 0. Read More

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http://dx.doi.org/10.1007/s10532-019-09868-9DOI Listing
February 2019
4 Reads

Antibacterial, anti-adherent and cytotoxic activities of surfactin(s) from a lipolytic strain Bacillus safensis F4.

Biodegradation 2019 08 1;30(4):287-300. Epub 2019 Jan 1.

Laboratory of Molecular and Cellular Screening Processes, Centre of Biotechnology of Sfax, University of Sfax, Sidi Mansour Road Km 6, P.O. Box 1177, 3018, Sfax, Tunisia.

The bacterial strain F4, isolated from olive oil-contaminated soil, has been found to produce biosurfactants as confirmed by oil displacement test and the emulsification index results. The identification of the strain F4, by 16S ribosomal RNA gene, showed a close similarity to Bacillus safensis, therefore the strain has been termed Bacillus safensis F4. The Thin Layer Chromatography (TLC) and the High Pressure Liquid Chromatography-Mass Spectrometry (HPLC-MS/MS) demonstrated that the biosurfactant had a lipopeptide structure and was classified as surfactin. Read More

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http://dx.doi.org/10.1007/s10532-018-09865-4DOI Listing
August 2019
3 Reads

Overproduction of rhamnolipid by fed-batch cultivation of Pseudomonas aeruginosa in a lab-scale fermenter under tight DO control.

Biodegradation 2019 02 1;30(1):59-69. Epub 2019 Jan 1.

Chemistry and Chemical Engineering Research Center of Iran, P.O. Box 14335-186, Tehran, Iran.

Rhamnolipids are one of the most well-known classes of biosurfactants having wide applications in various industries due to low toxicity, high biodegradability, and environmentally friendly. Dissolved oxygen (DO) concentration has the crucial effect on rhamnolipids production, particularly through fed-batch cultivation. In this study, the effect of different levels of DO concentrations on rhamnolipid production by Pseudomonas aeruginosa in both batch and fed-batch fermentation was investigated in a lab-scale fermenter under precise DO control. Read More

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http://dx.doi.org/10.1007/s10532-018-09866-3DOI Listing
February 2019
3 Reads

Economic production and biocontrol efficiency of lipopeptide biosurfactants from Bacillus mojavenis A21.

Biodegradation 2019 08 6;30(4):273-286. Epub 2018 Dec 6.

Laboratoire de Génie Enzymatique et de Microbiologie, Ecole Nationale d'Ingénieurs de Sfax, Université de Sfax, B.P. 1173-3038, Sfax, Tunisia.

In the wake of an increased attention on the eco-friendly biopesticidal products and the rising market requirements for organic agents, lipopeptides compounds have been described as biological control agents which improve the overall health growth and development of plants. Nevertheless, their high production cost constitue the major flaw in their wide use to control plant diseases. The present article aims to formulate an economic media for lipopeptides production by Bacillus mojavensis A21 for application as natural fungicides for plant disease treatment. Read More

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http://link.springer.com/10.1007/s10532-018-9864-7
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http://dx.doi.org/10.1007/s10532-018-9864-7DOI Listing
August 2019
7 Reads

Long-term performance of a UASB reactor treating acid mine drainage: effects of sulfate loading rate, hydraulic retention time, and COD/SO ratio.

Biodegradation 2019 02 8;30(1):47-58. Epub 2018 Nov 8.

Laboratório de Biotecnologia Anaeróbia, Instituto de Ciência e Tecnologia, Universidade Federal de Alfenas (UNIFAL-MG), Rodovia José Aurélio Vilela, 11999 (BR 267, Km 533), 37715-400, Poços de Caldas, MG, Brazil.

Acid mine drainage (AMD) is among the most serious threats to water and the typical alkali-based treatment costs are high. This study's main objective was the establishment of a highly efficient biological process using an upflow anaerobic sludge blanket (UASB) reactor to treat AMD based on a shorter hydraulic retention time (HRT) and lower organic matter input. The process was evaluated for a long-term operation (739 days) in terms of the influence of HRT (14-24 h), metal addition, sulfate loading rate (0. Read More

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http://link.springer.com/10.1007/s10532-018-9863-8
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http://dx.doi.org/10.1007/s10532-018-9863-8DOI Listing
February 2019
62 Reads

Bio-emulsifying and biodegradation activities of syringafactin producing Pseudomonas spp. strains isolated from oil contaminated soils.

Biodegradation 2019 08 2;30(4):259-272. Epub 2018 Nov 2.

Unit of Enzyme and Bioconversion, National School of Engineers, Soukraroad, 3038, Sfax, Tunisia.

Pseudomonas strains isolated from oil contaminated soils were screened for biosurfactant production. Three out of eleven Pseudomonas isolates were selected for their high emulsifying activity (E24 value on n-hexadecane ~ 78%). These isolates (E39, E311 and E313) were identified as members of the P. Read More

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http://link.springer.com/10.1007/s10532-018-9861-x
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http://dx.doi.org/10.1007/s10532-018-9861-xDOI Listing
August 2019
41 Reads

RETRACTED ARTICLE: Rhamnolipid biosurfactants: functional properties and potential contributions for bioremediation.

Biodegradation 2019 08 24;30(4):363. Epub 2018 Oct 24.

Shaanxi Provincial Key Laboratory of Biotechnology, Key Laboratory of Resources Biology and Biotechnology in Western China, Ministry of Education, College of Life Science, Northwest University, 229 Taibai North Rd, Xi'an, 710069, Shaanxi, China.

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http://link.springer.com/10.1007/s10532-018-9862-9
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http://dx.doi.org/10.1007/s10532-018-9862-9DOI Listing
August 2019
23 Reads

Degradation of 4-bromophenol by Ochrobactrum sp. HI1 isolated from desert soil: pathway and isotope effects.

Biodegradation 2019 02 22;30(1):37-46. Epub 2018 Oct 22.

Zuckerberg Institute for Water Research, Department of Environmental Hydrology and Microbiology, Ben-Gurion University of the Negev, 84990, Sede Boqer Campus, Israel.

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. Read More

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http://link.springer.com/10.1007/s10532-018-9860-y
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http://dx.doi.org/10.1007/s10532-018-9860-yDOI Listing
February 2019
43 Reads

Anaerobic Digestion Model No. 1 (ADM1) for mathematical modeling of full-scale sludge digester performance in a municipal wastewater treatment plant.

Authors:
Hale Ozgun

Biodegradation 2019 02 17;30(1):27-36. Epub 2018 Oct 17.

Environmental Engineering Department, Civil Engineering Faculty, Istanbul Technical University, Ayazaga Campus, Maslak, 34469, Istanbul, Turkey.

Anaerobic digestion of sludge is considered to be one of the most appropriate technologies for energy production via conversion of organic matter into methane containing biogas. Biogas produced by anaerobic digestion of municipal wastewater sludge can be utilized as fuel to offset heat and electricity consumption of wastewater treatment facilities. Modeling can be used effectively to evaluate the impact of different process and operation variables on the performance of the treatment processes including complex ones such as anaerobic digestion. Read More

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http://dx.doi.org/10.1007/s10532-018-9859-4DOI Listing
February 2019
10 Reads

An RND transporter in the monoterpene metabolism of Castellaniella defragrans.

Biodegradation 2019 02 17;30(1):1-12. Epub 2018 Oct 17.

Dept. of Microbiology, Max Planck-Institute for Marine Microbiology, Celsiusstr. 1, 28359, Bremen, Germany.

The betaproteobacterium Castellaniella defragrans 65Phen grows on monoterpenes at concentrations toxic to many bacteria. Tolerance mechanisms include modifications of the membrane fatty acid composition and the mineralization of monoterpenes. In this study, we characterized an efflux transporter associated to the monoterpene metabolism. Read More

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http://dx.doi.org/10.1007/s10532-018-9857-6DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6394551PMC
February 2019
10 Reads

Impact of additives of commercial rubber compounds on the microbial and enzymatic degradation of poly(cis-1,4-isoprene).

Biodegradation 2019 02 15;30(1):13-26. Epub 2018 Oct 15.

Institut für Molekulare Mikrobiologie und Biotechnologie, Westfälische Wilhelms-Universität Münster, Corrensstraße 3, 48149, Münster, Germany.

Much fundamental research has already been performed to understand the mechanism of microbial rubber degradation. Due to the increasing amount of rubber waste, biotechnical methods to degrade that particular waste are strongly needed. The present study evaluates whether a microbial or an enzymatic process is more suitable for efficient biodegradation, due to less sensitivity towards rubber additives. Read More

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http://dx.doi.org/10.1007/s10532-018-9858-5DOI Listing
February 2019
3 Reads

Simultaneous removal of hexavalent chromium and o-dichlorobenzene by isolated Serratia marcescens ZD-9.

Biodegradation 2018 12 28;29(6):605-616. Epub 2018 Sep 28.

College of Environmental Science and Engineering, Hunan University, Changsha, 410082, People's Republic of China.

Heavy metals-organics mixture pollution is increasingly concerned and simultaneous removal of organic pollutants and heavy metals is becoming significant. In this study, a strain was isolated from the sediment of a tannery effluent outfalls, which can remove o-dichlorobenzene (o-DCB) and Cr(VI) simultaneously. The bacterial isolate was identified as Serratia marcescens by the 16S rRNA gene sequences. Read More

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http://link.springer.com/10.1007/s10532-018-9856-7
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http://dx.doi.org/10.1007/s10532-018-9856-7DOI Listing
December 2018
9 Reads
2.340 Impact Factor

Characteristics and metabolic pathway of acetamiprid biodegradation by Fusarium sp. strain CS-3 isolated from soil.

Biodegradation 2018 12 26;29(6):593-603. Epub 2018 Sep 26.

State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Puzhu Road No. 30, Nanjing, 211800, People's Republic of China.

An acetamiprid-degrading fungus was isolated from contaminated soil and identified as Fusarium sp. strain CS-3 based on physiological, biochemical, and molecular analyses. Strain CS-3 exploited 50 mg/L as the sole carbon source in liquid culture, removing 98% in 96 h. Read More

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http://link.springer.com/10.1007/s10532-018-9855-8
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http://dx.doi.org/10.1007/s10532-018-9855-8DOI Listing
December 2018
43 Reads