Simazine treatment history determines a significant herbicide degradation potential in soils that is not improved by bioaugmentation with <i>Pseudomonas</i> sp ADP

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dc.contributor.authorMoran, A. C.
dc.contributor.authorMueller, A.
dc.contributor.authorManzano, M.
dc.contributor.authorGonzalez, B.
dc.date.accessioned2025-01-21T01:06:05Z
dc.date.available2025-01-21T01:06:05Z
dc.date.issued2006
dc.description.abstractAims: To study biological removal of the herbicide simazine in soils with different history of herbicide treatment and to test bioaugmentation with a simazine-degrading bacterial strain.
dc.description.abstractMethods and Results: Simazine removal was studied in microcosms prepared with soils that had been differentially exposed to this herbicide. Simazine removal was much higher in previously exposed soils than in unexposed ones. Terminal restriction fragment length polymorphism analysis and multivariate analysis showed that soils previously exposed to simazine contained bacterial communities that were significantly impacted by simazine but also had an increased resilience. The biodegradation potential was also related to the presence of high levels of the atz-like gene sequences involved in simazine degradation. Bioaugmentation with Pseudomonas sp. ADP resulted in an increased initial rate of simazine removal, but this strain scarcely survived. After 28 days, residual simazine removals were the same in bioaugmented and not bioaugmented microcosms.
dc.description.abstractConclusions: In soils with a history of simazine treatment bacterial communities were able to overcome subsequent impacts with the herbicide. The success of bioaugmentation was limited by the low survival of the introduced strain.
dc.description.abstractSignificance and Impact of the Study: Conclusions from this work provided insights on simazine biodegradation potential of soils and the convenience of bioaugmentation.
dc.fuente.origenWOS
dc.identifier.doi10.1111/j.1365-2672.2006.02990.x
dc.identifier.eissn1365-2672
dc.identifier.issn1364-5072
dc.identifier.urihttps://doi.org/10.1111/j.1365-2672.2006.02990.x
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/96086
dc.identifier.wosidWOS:000238438400003
dc.issue.numero1
dc.language.isoen
dc.pagina.final35
dc.pagina.inicio26
dc.revistaJournal of applied microbiology
dc.rightsacceso restringido
dc.subjectbioremediation
dc.subjectPseudomonas sp
dc.subjectsimazine
dc.subjectterminal restriction fragment length polymorphism
dc.subject.ods02 Zero Hunger
dc.subject.odspa02 Hambre cero
dc.titleSimazine treatment history determines a significant herbicide degradation potential in soils that is not improved by bioaugmentation with <i>Pseudomonas</i> sp ADP
dc.typeartículo
dc.volumen101
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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