• Interactions of rice (Oryza sativa L.) and PAH-degrading bacteria (Acinetobacter sp. (edu.hk)
  • The population of introduced PAH-degrading bacteria remained at 10 5 CFU g - 1 dry soil after 20 days of treatment with Acinetobacter sp. (edu.hk)
  • The results demonstrated that co-cultivation of rice and PAH-degrading bacteria may have a great potential to accelerate the bioremediation process of PAH-contaminated soil under waterlogged conditions. (edu.hk)
  • Dive into the research topics of 'Interactions of rice (Oryza sativa L.) and PAH-degrading bacteria (Acinetobacter sp. (edu.hk)
  • Recovery of phenanthrene-degrading bacteria after simulated in situ persulfate oxidation in contaminated soil. (nih.gov)
  • Polycyclic aromatic hydrocarbons (PAHs) degrading bacteria can be isolated from polluted coastal environments. (omicsonline.org)
  • Bacteria have been studied extensively, and there is information regarding their ability to degrade xenobitics, including PAHs [ 6 ]. (omicsonline.org)
  • PAHs could be degraded by bacteria under aerobic conditions through the initial oxidation of the aromatic ring, which is catalyzed by the dioxygenase enzyme. (omicsonline.org)
  • Diverse species of bacteria and fungi metabolize phenanthrenes as their sole source of carbon and energy. (scienceopen.com)
  • As a product of bacteria and fungi during phenanthrene degradation, 2,2-diphenic acid can serve as a dependable biomarker of phenanthrene metabolism in a polluted habitat, where microbial community exist freely. (scienceopen.com)
  • Microbial degradation entails breaking down of chemical compound bacteria, fungi, yeast and algae in the course of utilizing such compound (phenanthrene for example) as their source of carbon and energy. (scienceopen.com)
  • Both metabolites produce phthalic acid and salicylic acid and are produced by bacteria and fungi during phenanthrene degradation. (scienceopen.com)
  • This study investigated physiological and biochemical responses of rice (Oryza sativa L.) to PAH stress after they were planted in soils contaminated with Phe and Pyr, in the presence or absence of a PAH-degrading bacteria (Acinetobacteria sp. (eduhk.hk)
  • Inoculation with PAH-degrading bacteria promoted growth and photosynthesis of rice. (eduhk.hk)
  • Enrichment technique was employed for the isolation of the crude oil degrading bacteria. (openmicrobiologyjournal.com)
  • The isolated bacteria were screened for their degradative ability and the best degrading bacteria were selected based on their growth. (openmicrobiologyjournal.com)
  • PAH degradation, and the number of phenanthrene-degrading bacteria, were not enhanced by microbial or plant bioaugmentation. (researchwithrutgers.com)
  • PAH-degrading bacteria were cultured by enrichment using PAH mixture or pyrene alone as carbon and energy sources. (elsevierpure.com)
  • PAH-ring hydroxylating dioxygenase (PAH-RHDα) gene was shown to be more effective than nidA in estimating pyrene-degrading bacteria in the enriched consortia. (elsevierpure.com)
  • In the case of the Deepwater Horizon blowout, the spill originated in the deep sea where the oil-degrading bacteria are also found, which helped them to start breaking down the oil quickly. (smithsonianmag.com)
  • 2016. Isolation and characterization of polycyclic aromatic hydrocarbons (PAHs) degrading, pH tolerant, N-fixing and P-solubilizing novel bacteria from manufactured gas plant (MGP) site soils. (edu.au)
  • The United States Environmental Protection Agency (USEPA) has identified 16 substances as priority polycyclic aromatic hydrocarbons (PAHs) that are harmful to humans, including anthracene and phenanthrene. (abmj.ro)
  • The isolate could grow up to 600 mgL-1 and 400 mgL-1 of anthracene and phenanthrene as the sole carbon source at an optimum pH of 7.0 and 7.5 respectively, inoculum concentration of 4% (v/v), and temperature of 35°C during 72 hours of incubation. (abmj.ro)
  • The strain could degrade phenanthrene and anthracene to a maximum of 99 and 72 percent, respectively, under ideal conditions. (abmj.ro)
  • Sediments were diluted 1:1 in tap water and spiked to a final concentration of 20 rng/kg dry weight sediment of phenanthrene, anthracene, acenaphthene, fluorene, fluoranthene, and pyrene. (researchwithrutgers.com)
  • Cultures enriched by serial transfer through a mineral medium contraining either fluorene, phenanthrene, anthracene, fluoranthene, or pyrene were used to obtain several bacterial communities. (cnrs.fr)
  • The Black C was recognised unambiguously from the full range of diagnostic compounds, i.e. abundant polycyclic aromatic hydrocarbons (PAHs) such as naphthalenes, biphenyl, fluorene, phenanthrene, anthracene and pyrene, and N-containing compounds such as benzonitrile, (iso)quinoline and naphthalene carbonitriles. (pyrolyscience.com)
  • Among the aromatic fractions that were nearly eliminated during the cultivation period were naphthalene, phenanthrene, fluoranthrene, chrysene, benzo(a)anthracene, benzo(b)fluoranthrene, and benzo(a)pyrene. (edu.ng)
  • Intrestingly, substrate uptake studies showed that both strains grew very well on petroleum cuts, biphenyl, phenol, xylene, and quite a number of polycyclic aromatic hydrocarbons including pyrene, phenanthrene, and anthracene. (edu.ng)
  • The phenanthrene/anthracene ratio below 10 refers to pyrogenic source ( Al-Khatib ,2008). (docslib.org)
  • separately, and in combination, on the dissipation of spiked phenanthrene and pyrene (0, 50 + 50, 100 + 100, 200 + 200 mg kg - 1 ) in waterlogged soil were studied using pot trials. (edu.hk)
  • Phenanthrene and pyrene concentrations in roots ranged from 1-27 and 20-98 mg kg - 1 , respectively, while their concentrations in shoots were generally lower than 0.2 mg kg - 1 . (edu.hk)
  • In the pyrene and fluoranthene degradation experiment using a minimum medium, B. fungorum isolate no. 1 and M. gilvum isolate no. 13 were able to degrade 98.6% + 1.9 of pyrene after 20 days, and 99.9% ± 0.1 after a 16-day incubation period, respectively. (omicsonline.org)
  • Phenanthrene (Phe) and pyrene (Pyr) are two typical polycyclic aromatic hydrocarbons (PAHs) found in contaminated soil. (eduhk.hk)
  • Separate experiments showed that the sediment microbial communities mineralized 14C-pyrene and 14C-phenanthrene. (researchwithrutgers.com)
  • Among the ten consortia tested for PAH mixture, seven completely degraded fluorene and more than 95% of phenanthrene in 10 days, while only four consortia partially degraded pyrene. (elsevierpure.com)
  • Six consortia partially degraded pyrene as a single substrate. (elsevierpure.com)
  • Since each PAH had a potentially bioavailable fraction, PAH biodegradation was likely limited both by a microbial community with only a small potential to degrade four to six ring PAHs and low aqueous PAH partitioning from the sediment. (mnpals.net)
  • Polycyclic aromatic hydrocarbons (PAHs) biodegradation in the soil of a former gasworks site : selection and study of PAHs-degrading microorganisms. (cnrs.fr)
  • of greater than 95% of the initial phenanthrene, acenaphthene, and fluorene occurred within 14 days. (researchwithrutgers.com)
  • Depending on the microbial community used for bioaugmentation, biodegradation of phenanthrene can precede biodegradation of saturated hydrocarbons. (ac.rs)
  • The development of biological treatment systems based on the specific ability of microorganisms to degrade OPP could be a viable solution for the detoxification of these effluents. (nature.com)
  • It involves the use of microorganisms to degrade environmental pollutants. (sdewes.org)
  • 2008. Anaerobic alkane-degrading strain AK-01 contains two alkylsuccinate synthase genes. (southalabama.edu)
  • Within the frame of developing bio-strategies to detoxify these effluents, an OPP-degrading Sphingomonas haloaromaticamans strain was isolated. (nature.com)
  • They isolated a Pseudomonas azelaica strain HPB1 which was able to degrade OPP through the production of 2,3-dihydroxybiphenyl. (nature.com)
  • S133, a new phenanthrene-degrading strain, was investigated in this work. (afpm.org.my)
  • Whereas strain MNI degraded aliphatic fractions by 97.6% and the aromatics by 74.61%, the corresponding values obtained for MCI were 97.2% and 67.29% during the 14-day incubation period. (edu.ng)
  • From a soil isolate, Pseudomonas strain C18, we cloned and sequenced a 9.8-kb DNA fragment that encodes dibenzothiophene-degrading enzymes. (rhea-db.org)
  • Tsujisaka, Y. Purification and properties of a polyvinyl alcohol-degrading enzyme produced by a strain of Pseudomonas. (aljest.net)
  • Phenanthrene (PHE) and hydroxypropyl-beta-cyclodextrin (HPCD) were chosen respectively as a polycyclic aromatic hydrocarbon (PAH) representative and as a solubilizing agent. (univ-lorraine.fr)
  • PERSPECTIVES oils, and polycyclic aromatic hydrocarbons (18,19) and relatively resistant to high temperature (29) and concen- can degrade the disinfectant morpholine (20). (cdc.gov)
  • Bioremediation was conducted in a closed bipolar system, by bioaugmentation with consortia of hydrocarbon degrading microorganisms (HD) and biostimulation with nutrients. (ac.rs)
  • We successfully isolated and analysed a potential hydrocarbon-degrading consortium. (springeropen.com)
  • The dissipation of phenanthrene was mainly due to abiotic loss as 70-78% phenanthrene was lost from the control soil at the end of 80 days, while removal of 86-87% phenanthrene had been achieved after 40 days in the treatment co-cultivated with Acinetobacter sp. (edu.hk)
  • Agriculture, mining, urbanization and other human activities result in temporary land-use and once complete, used and degraded land should be rehabilitated and restored to minimize loss of soil carbon. (mdpi.com)
  • The effects of BC on the desorption kinetics and mineralization of phenanthrene in four soils was investigated after 1, 25, 50, and 100 d soil PAT contact time, using sequential hydroxypropyl-beta-cyclodextrin (HPCD) extractions in soils amended with 0, 0.1, 1, and 5% (dry wt. (lancs.ac.uk)
  • The more volatile components of fuel oils (low molecular weight alkanes) will evaporate from the soil or water and enter the atmosphere where they will be degraded. (cdc.gov)
  • Polyphasic characterization of four soil-derived phenanthrene-degrading Acidovorax strains and proposal of Acidovorax carolinensis sp. (grantome.com)
  • Treatment of synthetic soil washing solutions containing phenanthrene and cyclodextrin by electro-oxidation. (univ-lorraine.fr)
  • Singleton DR , Lee J, Dickey AN, Stroud A, Scholl EH, Wright FA, Aitken MD. Polyphasic characterization of four soil-derived phenanthrene-degrading Acidovorax strains and proposal of Acidovorax carolinensis sp. (namesforlife.com)
  • Here we discuss molecular properties of soil organic matter (SOM) from three of these colluvia by Py-GC-MS. The pyrolysis products could be ascribed to four different SOM components: labile SOM (fresh lignin and polysaccharides), a recalcitrant aliphatic fraction, degraded/secondary SOM (including chitin and degraded carbohydrates) and pyrogenic SOM (Black C, from palaeofires). (pyrolyscience.com)
  • Black soil layers generally contained larger proportions of pyrogenic material but SOM dynamics of these soils seem controlled by intense degradation, eliminating most components of fresh plant material and producing newly-formed degraded SOM (including chitin from fungi and/or arthropods) and a relative accumulation of aliphatic SOM. (pyrolyscience.com)
  • This has been shown in published pathways of phenanthrene biodegradation implicating various intermediary metabolites, including 2,2-diphenic acid, which is a downline metabolite of 9,10-dihydroxyphenanthrene. (scienceopen.com)
  • In the course of degrading phenanthrene, certain pathways are followed and characterized by various intermediary metabolites. (scienceopen.com)
  • Like other signatory metabolites, the 2,2-diphenic acid can be used as a metabolic biomarker of phenanthrene degradation, though it has not been commonly presented as one in published articles. (scienceopen.com)
  • Identification of metabolites from phenanthrene oxidation by phenoloxidases and dioxygenases of Polyporus sp. (afpm.org.my)
  • Anaerobic phenanthrene mineralization by a carboxylating sulfate-reducing bacterial enrichment. (ouhsc.edu)
  • The rapidly (%F-rap) and slowly (%F-slow) desorbing phenanthrene fractions and their rate constants were determined using a first-order two-compartment (biphasic) desorption model. (lancs.ac.uk)
  • 9,10-Oxidation and ring cleavage to give 9,10-phenanthrenequinone is the major fate of phenanthrene in ligninolytic Polyporus sp. (afpm.org.my)
  • The aim of this work was to determine the maximum concentration of furfural that can be degraded by bacterial consortium metabolism. (sdewes.org)
  • Community succession in an anaerobic long-chain paraffin-degrading consortium and impact on chemical and electrical microbially influenced iron corrosion. (ouhsc.edu)
  • New metabolic pathways of phenanthrene and a better understanding of the phenoloxidases and dioxygenase mechanism involved in degradation of phenanthrene were explored in this research. (afpm.org.my)
  • This study was conducted to investigate the degradation potential and describe the PAH-degrading microbial communities from tsunami sediments in Miyagi, Japan. (elsevierpure.com)
  • Isolation and structure elucidation of 24-epiclerosterol [24( R )-stigmasta-5, 25-dien-3β-ol], 24( R )-5α-stigmasta-7, 25-dien-3β-ol, 5α-stigmast-24-en-3β-ol and 25-methyl-5α-ergost-24 (28)-en-3β-ol from aerial parts was done 10 . (ijpsr.com)
  • 2,2-diphenic acid mounts equivalent position to 1-hydroxy-2-naphthoic acid, metabolite that ends the phenanthrene metabolic pathway. (scienceopen.com)
  • The 2,2-diphenic acid is equivalent in position to 1-hydroxy-2-naphthoic acid, which terminates the phenanthrene upper metabolic pathway. (scienceopen.com)
  • F-min often exceeded %F-rap, indicating a fraction of sorbed phenanthrene (%F-slow) remained microbially accessible. (lancs.ac.uk)
  • The treatment of a mixture of phenanthrene and benzene using two different tubular microbial fuel cells (MFCs) designed for either in situ and ex situ applications in aqueous systems was investigated over long operational periods (up to 155 days). (westminster.ac.uk)
  • Thus, 2,2-diphenic acid can serve as a dependable biomarker of phenanthrene metabolism in an unrestricted polluted habitat. (scienceopen.com)
  • presence of phenanthrene. (edu.au)
  • 2004 ). Hence, the presence of microorganisms with the metabolic capability to degrade petroleum and the ability to adapt to a range of environmental conditions is a crucial factor (Das and Chandran 2011 ). (springeropen.com)
  • ECHA, Guidance for identification and naming of substances under REACH and CLP, ECHA-11-G-10-EN (2011). (aljest.net)
  • UVCB Project Description, UVCB substances Characterisation, chemical representation and modeling.URL address: https://echa.europa.eu/documents/10162/13628/uvcb_modelling_methodology_en.pdf/30ce55e1-e6f5-450e-8b7e-c02ddbf705a5. (aljest.net)
  • A potentially novel and PAH-degrading Dokdonella was detected for the first time. (elsevierpure.com)
  • In contrast, oil "can be readily degraded," said Ed Overton , who studies the fate of oil after spills at the Louisiana State University in Baton Rouge and is a lead researcher with GoMRI. (smithsonianmag.com)
  • The identification of 2,2'-diphenic acid in culture extracts indicates that phenanthrene was initially attacked through dioxigenation at C9 and C10 to give cis-9,10-dihydrodiol. (afpm.org.my)
  • Dehydrogenation of phenanthrene-cis-9,10-dihydrodiol to produce the corresponding diol, followed by ortho-cleavage of the oxygenated ring, produced 2,2'-diphenic acid. (afpm.org.my)
  • CB2 is able to degrade urea and promote toxic metal precipitation in acid mine drainage waters supplemented with urea. (unistra.fr)
  • The tubular MFC could be operated successfully at copiotrophic (100 ppm phenanthrene, 2000 ppm benzene at HRT 30 days) and oligotrophic (phenanthrene and benzene, 50 ppb each, HRT 10 days) substrate conditions suggesting its effectiveness and robustness at extreme substrate concentrations in anoxic environments. (westminster.ac.uk)
  • they degrade at different rates, and some can damage wildlife while others are harmless. (smithsonianmag.com)
  • Pt anode was found to be the most efficient one in degradation of PHE, while BDD anode showed better ability to degrade HPCD and to mineralize the solution. (univ-lorraine.fr)
  • Phenanthrene and its methyl-,dimethyl-, and trimethyl-isomers were biodegraded and reduced by more than 99% of their initial levels. (ac.rs)
  • Other chemical constituents from this plant are bryophyllol, bryophollone, bryophollenone, bryophynol and two homologous phenanthrene derivatives 2(9-decenyl)-phenanthrene (I) and 2-(undecenyl)-phenanthrene (II) from leaves 9 . (ijpsr.com)
  • Up to 2723 mg L -1 can be degraded in 24 hours. (sdewes.org)
  • Despite significant microbiological activity, only the three ring PAH phenanthrene, was found to be significantly degraded in all experiments. (mnpals.net)
  • No PAH with four or more rings was found to be significantly degraded during the extent of composting. (mnpals.net)