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Article: Degradability of atrazine, cyanazine, and dicamba in methanogenic enrichment culture microcosms using sediment from the Pearl River of Southern China

TitleDegradability of atrazine, cyanazine, and dicamba in methanogenic enrichment culture microcosms using sediment from the Pearl River of Southern China
Authors
KeywordsAtrazine
Cyanazine
Degradation
Dicamba
Enrichment
Herbicide
Methanogenic conditions
Issue Date2006
PublisherSpringer Verlag. The Journal's web site is located at http://link.springer.de/link/service/journals/00374/index.htm
Citation
Biology And Fertility Of Soils, 2006, v. 42 n. 5, p. 395-401 How to Cite?
AbstractDegradation of three herbicides, atrazine, cyanazine and dicamba, was assessed in laboratory microcosms incubated under simulated methanogenic conditions using sediment from Pearl River of Southern China as an inoculum. Atrazine was much more resistant to degradation than cyanazine and dicamba over 300 days of incubation. Biodegradation of cyanazine and dicamba was further substantiated by establishment of enrichment transfer cultures in which the degradation of the respective herbicide was accelerated by the active microorganisms. Degradation of cyanazine initially involved the removal of chlorine and the two side chains, while that of dicamba was O-demethylation reaction forming 3,6-dichlorosalicyclic acid. Results suggest that biodegradation of xenobiotics can be established through enrichment culture transfer technique, and further mechanism of degradation and microorganisms involved can be elucidated. © Springer-Verlag 2006.
Persistent Identifierhttp://hdl.handle.net/10722/73199
ISSN
2015 Impact Factor: 3.069
2015 SCImago Journal Rankings: 1.654
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLin, Cen_HK
dc.contributor.authorGu, JGen_HK
dc.contributor.authorQiao, Cen_HK
dc.contributor.authorDuan, Sen_HK
dc.contributor.authorGu, JDen_HK
dc.date.accessioned2010-09-06T06:49:05Z-
dc.date.available2010-09-06T06:49:05Z-
dc.date.issued2006en_HK
dc.identifier.citationBiology And Fertility Of Soils, 2006, v. 42 n. 5, p. 395-401en_HK
dc.identifier.issn0178-2762en_HK
dc.identifier.urihttp://hdl.handle.net/10722/73199-
dc.description.abstractDegradation of three herbicides, atrazine, cyanazine and dicamba, was assessed in laboratory microcosms incubated under simulated methanogenic conditions using sediment from Pearl River of Southern China as an inoculum. Atrazine was much more resistant to degradation than cyanazine and dicamba over 300 days of incubation. Biodegradation of cyanazine and dicamba was further substantiated by establishment of enrichment transfer cultures in which the degradation of the respective herbicide was accelerated by the active microorganisms. Degradation of cyanazine initially involved the removal of chlorine and the two side chains, while that of dicamba was O-demethylation reaction forming 3,6-dichlorosalicyclic acid. Results suggest that biodegradation of xenobiotics can be established through enrichment culture transfer technique, and further mechanism of degradation and microorganisms involved can be elucidated. © Springer-Verlag 2006.en_HK
dc.languageengen_HK
dc.publisherSpringer Verlag. The Journal's web site is located at http://link.springer.de/link/service/journals/00374/index.htmen_HK
dc.relation.ispartofBiology and Fertility of Soilsen_HK
dc.subjectAtrazineen_HK
dc.subjectCyanazineen_HK
dc.subjectDegradationen_HK
dc.subjectDicambaen_HK
dc.subjectEnrichmenten_HK
dc.subjectHerbicideen_HK
dc.subjectMethanogenic conditionsen_HK
dc.titleDegradability of atrazine, cyanazine, and dicamba in methanogenic enrichment culture microcosms using sediment from the Pearl River of Southern Chinaen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0178-2762&volume=42&spage=395&epage=401&date=2006&atitle=Degradability+of+atrazine,+cyanazine+and+dicamba+in+methanogenic+enrichment+culture+microcosms+using+sediment+from+the+Pearl+River+of+Southern+Chinaen_HK
dc.identifier.emailGu, JD: jdgu@hkucc.hku.hken_HK
dc.identifier.authorityGu, JD=rp00701en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1007/s00374-006-0082-9en_HK
dc.identifier.scopuseid_2-s2.0-33745835424en_HK
dc.identifier.hkuros134262en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33745835424&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume42en_HK
dc.identifier.issue5en_HK
dc.identifier.spage395en_HK
dc.identifier.epage401en_HK
dc.identifier.isiWOS:000238858800004-
dc.publisher.placeGermanyen_HK
dc.identifier.scopusauthoridLin, C=37099329600en_HK
dc.identifier.scopusauthoridGu, JG=7403130153en_HK
dc.identifier.scopusauthoridQiao, C=7101795699en_HK
dc.identifier.scopusauthoridDuan, S=8606096000en_HK
dc.identifier.scopusauthoridGu, JD=7403129601en_HK

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