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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Dong, Hao Xia, Wenjie Wang, Fuyi Du, Zhifeng Cui, Qingfeng Tang, YongChun He, Panqing |
| Description | Author Affiliation: Xia W ( Power Environmental Energy Research Institute, Covina, CA 91722, USA); Du Z ( Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Science, Beijing 100190, PR China.); Cui Q ( Institute of Porous Flow & Fluid Mechanics, Chinese Academy of Sciences, Langfang 065007, PR China.); Dong H ( State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, PR China.); Wang F ( Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Science, Beijing 100190, PR China. Electronic address: fuyi.wang@iccas.ac.cn.); He P ( Power Environmental Energy Research Institute, Covina, CA 91722, USA.); Tang Y ( Power Environmental Energy Research Institute, Covina, CA 91722, USA. Electronic address: yongchun.tang@peeri.org.) |
| Abstract | Alkanes and polycyclic aromatic hydrocarbons (PAHs) have threatened the environment due to toxicity and poor bioavailability. Interest in degradation of these hazardous materials by biosurfactant-producing bacteria has been steadily increasing in recent years. In this work, a novel biosurfactant-producing Pseudomonas sp. WJ6 was isolated to degrade a wide range of n-alkanes and polycyclic aromatic hydrocarbons. Production of lipopeptide biosurfactant was observed in all biodegradable studies. These lipopeptides were purified and identified by C18 RP-HPLC system and electrospray ionization-mass spectrometry. Results of structural analysis showed that these lipopeptides generated from different hydrocarbons were classified to be surfactin, fengycin and lichenysin. Heavy-oil sludge washing experiments demonstrated that lipopeptides produced by Pseudomonas sp. WJ6 have 92.46% of heavy-oil washing efficiency. The obtained results indicate that this novel bacterial strain and its lipopeptides have great potentials in the environmental remediation and petroleum recovery. |
| ISSN | 03043894 |
| Journal | Journal of Hazardous Materials |
| Volume Number | 276 |
| e-ISSN | 18733336 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2014-07-15 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Alkanes Metabolism Biodegradation, Environmental Polycyclic Hydrocarbons, Aromatic Pseudomonas Surface-active Agents Journal Article Research Support, Non-u.s. Gov't Discipline Environmental Science Discipline Environmental Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Pollution Waste Management and Disposal Health, Toxicology and Mutagenesis Environmental Engineering |
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