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Article: Metabolism and biochemical pathway of n-butyl benzyl phthalate by Pseudomonas fluorescens B-1 isolated from a mangrove sediment

TitleMetabolism and biochemical pathway of n-butyl benzyl phthalate by Pseudomonas fluorescens B-1 isolated from a mangrove sediment
Authors
Issue Date2007
PublisherAcademic Press. The Journal's web site is located at http://www.elsevier.com/locate/ecoenv
Citation
Ecotoxicology And Environmental Safety, 2007, v. 68 n. 3, p. 379-385 How to Cite?
Abstractn-Butyl benzyl phthalate (BBP) is an endocrine-disrupting chemical. Biodegradation of BBP was investigated using the bacterium Pseudomonas fluorescens B-1 isolated from mangrove sediment of Mai Po Nature Reserve of Hong Kong. The microorganism was capable of utilizing BBP as the sole source of carbon and energy while BBP was degraded in 6 days under aerobic batch culture conditions. The optimum pH, temperature, and salinity for BBP degradation by P. fluorescens B-1 was found to be 7.0, 37 °C, and 15‰, respectively. Biodegradation of BBP was fitted to the first-order kinetics model. The process of BBP biodegradation was monitored by reversed-phase high-performance liquid chromatography with ultra-violet detection after solid-phase extraction. The major metabolites of BBP degradation were identified as mono-butyl phthalate, mono-benzyl phthalate, phthalic acid, and benzoic acid by gas chromatography-mass spectrometry. BBP-degrading activity of P. fluorescens B-1 was found mostly in the soluble fraction associated with the smaller fragments of cellular membranes. Results suggest that mineralization of BBP can be achieved by microorganism of the mangrove environment. © 2006 Elsevier Inc. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/179013
ISSN
2015 Impact Factor: 3.13
2015 SCImago Journal Rankings: 1.229
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorXu, XRen_US
dc.contributor.authorLi, HBen_US
dc.contributor.authorGu, JDen_US
dc.date.accessioned2012-12-19T09:51:25Z-
dc.date.available2012-12-19T09:51:25Z-
dc.date.issued2007en_US
dc.identifier.citationEcotoxicology And Environmental Safety, 2007, v. 68 n. 3, p. 379-385en_US
dc.identifier.issn0147-6513en_US
dc.identifier.urihttp://hdl.handle.net/10722/179013-
dc.description.abstractn-Butyl benzyl phthalate (BBP) is an endocrine-disrupting chemical. Biodegradation of BBP was investigated using the bacterium Pseudomonas fluorescens B-1 isolated from mangrove sediment of Mai Po Nature Reserve of Hong Kong. The microorganism was capable of utilizing BBP as the sole source of carbon and energy while BBP was degraded in 6 days under aerobic batch culture conditions. The optimum pH, temperature, and salinity for BBP degradation by P. fluorescens B-1 was found to be 7.0, 37 °C, and 15‰, respectively. Biodegradation of BBP was fitted to the first-order kinetics model. The process of BBP biodegradation was monitored by reversed-phase high-performance liquid chromatography with ultra-violet detection after solid-phase extraction. The major metabolites of BBP degradation were identified as mono-butyl phthalate, mono-benzyl phthalate, phthalic acid, and benzoic acid by gas chromatography-mass spectrometry. BBP-degrading activity of P. fluorescens B-1 was found mostly in the soluble fraction associated with the smaller fragments of cellular membranes. Results suggest that mineralization of BBP can be achieved by microorganism of the mangrove environment. © 2006 Elsevier Inc. All rights reserved.en_US
dc.languageengen_US
dc.publisherAcademic Press. The Journal's web site is located at http://www.elsevier.com/locate/ecoenven_US
dc.relation.ispartofEcotoxicology and Environmental Safetyen_US
dc.subject.meshBenzoic Acids - Metabolismen_US
dc.subject.meshBiodegradation, Environmentalen_US
dc.subject.meshCarbon - Metabolismen_US
dc.subject.meshChromatography, High Pressure Liquid - Methodsen_US
dc.subject.meshEndocrine Disruptors - Metabolismen_US
dc.subject.meshEnergy Metabolismen_US
dc.subject.meshGas Chromatography-Mass Spectrometryen_US
dc.subject.meshGeologic Sediments - Microbiologyen_US
dc.subject.meshHong Kongen_US
dc.subject.meshHydrogen-Ion Concentrationen_US
dc.subject.meshKineticsen_US
dc.subject.meshModels, Biologicalen_US
dc.subject.meshPhthalic Acids - Metabolismen_US
dc.subject.meshPseudomonas Fluorescens - Enzymology - Isolation & Purification - Metabolismen_US
dc.subject.meshRhizophoraceaeen_US
dc.subject.meshSodium Chloride - Metabolismen_US
dc.subject.meshSoil Microbiologyen_US
dc.subject.meshSoil Pollutants - Metabolismen_US
dc.subject.meshTemperatureen_US
dc.subject.meshWetlandsen_US
dc.titleMetabolism and biochemical pathway of n-butyl benzyl phthalate by Pseudomonas fluorescens B-1 isolated from a mangrove sedimenten_US
dc.typeArticleen_US
dc.identifier.emailGu, JD: jdgu@hkucc.hku.hken_US
dc.identifier.authorityGu, JD=rp00701en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.ecoenv.2006.11.012en_US
dc.identifier.pmid17296224-
dc.identifier.scopuseid_2-s2.0-34848850407en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34848850407&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume68en_US
dc.identifier.issue3en_US
dc.identifier.spage379en_US
dc.identifier.epage385en_US
dc.identifier.isiWOS:000251067500008-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridXu, XR=7405293882en_US
dc.identifier.scopusauthoridLi, HB=25649944400en_US
dc.identifier.scopusauthoridGu, JD=7403129601en_US

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