New Findings on Aromatic Compounds’ Degradation and Their Metabolic Pathways, the Biosurfactant Production and Motility of the Halophilic Bacterium Halomonas sp. KHS3

cic.institucionOrigenInstituto de Ciencia y Tecnología de Alimentos y Ambientees
cic.isFulltexttruees
cic.isPeerReviewedtruees
cic.lugarDesarrolloInstituto de Ciencia y Tecnología de Alimentos y Ambientees
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dc.date.accessioned2020-07-01T15:11:49Z
dc.date.available2020-07-01T15:11:49Z
dc.identifier.urihttps://digital.cic.gba.gob.ar/handle/11746/10636
dc.titleNew Findings on Aromatic Compounds’ Degradation and Their Metabolic Pathways, the Biosurfactant Production and Motility of the Halophilic Bacterium Halomonas sp. KHS3en
dc.typeArtículoes
dcterms.abstractThe study of the aromatic compounds’ degrading ability by halophilic bacteria became an interesting research topic, because of the increasing use of halophiles in bioremediation of saline habitats and effluents. In this work, we focused on the study of aromatic compounds’ degradation potential of Halomonas sp. KHS3, a moderately halophilic bacterium isolated from hydrocarbon-contaminated seawater of the Mar del Plata harbour. We demonstrated that H. sp. KHS3 is able to grow using different monoaromatic (salicylic acid, benzoic acid, 4-hydroxybenzoic acid, phthalate) and polyaromatic (naphthalene, fluorene, and phenanthrene) substrates. The ability to degrade benzoic acid and 4-hydroxybenzoic acid was analytically corroborated, and Monod kinetic parameters and yield coefficients for degradation were estimated. Strategies that may enhance substrate bioavailability such as surfactant production and chemotactic responses toward aromatic compounds were confirmed. Genomic sequence analysis of this strain allowed us to identify several genes putatively related to the metabolism of aromatic compounds, being the catechol and protocatechuate branches of β-ketoadipate pathway completely represented. These features suggest that the broad-spectrum xenobiotic degrader H. sp. KHS3 could be employed as a useful biotechnological tool for the cleanup of aromatic compounds-polluted saline habitats or effluents.en
dcterms.creator.authorCorti Monzón, G.es
dcterms.creator.authorNisenbaum, M.es
dcterms.creator.authorSeitz, K.H.es
dcterms.creator.authorMurialdo, Silvia Elenaes
dcterms.identifier.otherDOI:10.1007/s00284-018-1497-xes
dcterms.isPartOf.seriesCurrent Microbiologyes
dcterms.issued2018
dcterms.languageIngléses
dcterms.licenseAtribución-NoComercial 4.0 Internacionales
dcterms.subjectbiosurfactanteses
dcterms.subjectmotilidades
dcterms.subjectmicroorganismoses
dcterms.subjectHidrocarburoses
dcterms.subject.materiaCiencias Biológicases
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