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Biodegradation of fluoroanilines by the wild strain Labrys portucalensis

2013Journal article Restricted access
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dc.contributor.authorAmorim, Catarina L.
dc.contributor.authorCarvalho, Maria F.
dc.contributor.authorAfonso, Carlos M. M.
dc.contributor.authorCastro, Paula M. L.
dc.date.accessioned2014-05-07T15:32:28Z
dc.date.available2014-05-07T15:32:28Z
dc.date.issued2013
dc.description.abstractAniline and halogenated anilines are known as widespread environmental toxic pollutants released into soil and water. In contrast to aniline, which is rapidly metabolized via catechol, halosubstituted anilines are more resistant to microbial attack. A fluorobenzene-degrading bacterium, Labrys portucalensis strain F11, was tested under different culture conditions for the degradation potential towards 2-, 3- and 4-fluoroaniline (2-, 3- and 4-FA). Strain F11 was able to use FAs as a source of carbon and nitrogen however, supplementation with a nitrogen source improved substrate consumption and its dehalogenation extent. When F11 cells were previously grown on fluorobenzene (FB), higher biodegradation rates were achieved for all isomers. Complete 2-FA biodegradation with stoichiometric fluoride release was achieved when FB-induced cells were used. On the other hand, the degradation of 3- and 4-FA was characterized by incomplete defluorination of the target compounds suggesting accumulation of fluorinated intermediates. F11 cultures simultaneously supplied with FB and the fluorinated anilines showed a concomitant degradation of both substrates, suggesting co-metabolic biodegradation. To our knowledge, this is the first time that biodegradation of 2- and 3-FA as a sole carbon and nitrogen source and co-metabolic degradation of FA isomers in the presence of a structural analogous compound is reported.por
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.citationAMORIM, Catarina L....[et al.] - Biodegradation of fluoroanilines by the wild strain Labrys portucalensis. International Biodeterioration & Biodegradation. ISSN 0964-8305. Vol. 80 (2013), 10-15por
dc.identifier.doi10.1016/j.ibiod.2013.02.001
dc.identifier.eissn1879-0208
dc.identifier.issn0964-8305
dc.identifier.urihttp://hdl.handle.net/10400.14/14250
dc.identifier.wosWOS:000317883900002
dc.language.isoporpor
dc.peerreviewedyespor
dc.publisherElsevierpor
dc.relationPTDC/BI0167306/2006
dc.relationMICROBIAL DEGRADATION OF FLUORINATED COMPOUNDS - STUDIES ON BIODEGRADATION MECHANISMS AND BIOTREATMENT SYSTEMS
dc.relationBIOLOGICAL PRODUCTION OF INDUSTRIALLY RELEVANT FLUOROORGANIC COMPOUNDS
dc.relationStrategic Project - LA 16 - 2011-2012
dc.subjectFluoroanilinespor
dc.subjectBiodegradationpor
dc.subjectCo-metabolismpor
dc.subjectLabrys portucalensispor
dc.titleBiodegradation of fluoroanilines by the wild strain Labrys portucalensispor
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMICROBIAL DEGRADATION OF FLUORINATED COMPOUNDS - STUDIES ON BIODEGRADATION MECHANISMS AND BIOTREATMENT SYSTEMS
oaire.awardTitleBIOLOGICAL PRODUCTION OF INDUSTRIALLY RELEVANT FLUOROORGANIC COMPOUNDS
oaire.awardTitleStrategic Project - LA 16 - 2011-2012
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F47109%2F2008/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F44670%2F2008/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/PEst-OE%2FEQB%2FLA0016%2F2011/PT
oaire.citation.endPage15
oaire.citation.startPage10
oaire.citation.titleInternational Biodeterioration and Biodegradation
oaire.citation.volume80
oaire.fundingStream6817 - DCRRNI ID
person.familyNameAmorim
person.familyNameCarvalho
person.familyNameAfonso
person.familyNameCastro
person.givenNameCatarina L.
person.givenNameM. Fátima
person.givenNameCarlos
person.givenNamePaula
person.identifier1394766
person.identifier2013444
person.identifier.ciencia-id791E-5D42-9B68
person.identifier.ciencia-id6913-1464-155B
person.identifier.ciencia-id6A10-3565-6158
person.identifier.ciencia-id7C1F-6C72-354A
person.identifier.orcid0000-0002-6756-552X
person.identifier.orcid0000-0002-7181-0540
person.identifier.orcid0000-0002-5731-5789
person.identifier.orcid0000-0001-8841-6606
person.identifier.ridK-6091-2014
person.identifier.ridI-5989-2015
person.identifier.ridM-8241-2013
person.identifier.scopus-author-id36896692500
person.identifier.scopus-author-id14038677200
person.identifier.scopus-author-id36145043600
person.identifier.scopus-author-id7102781782
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspor
rcaap.typearticlepor
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