Aeromonas hydrophila produces conductive nanowires

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dc.contributor.authorCastro Ruiz, Laura
dc.contributor.authorVera, Mario
dc.contributor.authorMuñoz Sánchez, Jesús Ángel
dc.contributor.authorBlázquez Izquierdo, María Luisa
dc.contributor.authorGonzález González, Felisa
dc.contributor.authorSand, Wolfgang
dc.contributor.authorBallester Pérez, Antonio
dc.date.accessioned2023-12-11T16:01:09Z
dc.date.available2023-12-11T16:01:09Z
dc.date.issued2014
dc.description.abstractAeromonas hydrophila is a facultative anaerobe which, under conditions of oxygen depletion, uses Fe(III) as electron acceptor. A. hydrophila produces pili during growth with Fe(III). The study was focused on the characterization of the morphology, the electrical properties and the nature of the bacterial pili. Scanning electron microscopy and conductive-probe atomic force microscopy revealed the presence of filaments between cells and substrate and their conductive nature. Our results indicate that pili of A. hydrophila strain A might serve as biological nanowires, transferring electrons from the cell surface to the surface of Fe(III) oxides and, in addition, the possibility of playing a role in inter/intra species signaling. Quorum sensing (QS) is recognized as one of the main regulatory ways for extracellular polymeric substances (EPS) production and biofilm formation. We present evidence that nanowire formation can be regulated by addition of synthetic acyl-homoserine lactones (AHL). These conductive pili may be involved in various interactions, and their protein components might be usable in the future for biotechnological approaches in materials science.
dc.description.departmentDepto. de Ingeniería Química y de Materiales
dc.description.facultyFac. de Ciencias Químicas
dc.description.refereedTRUE
dc.description.sponsorshipMinisterio de Ciencia y Tecnología (España)
dc.description.statuspub
dc.identifier.citationCastro, L.; Vera, M.; Muñoz, J. Á; Blázquez, M. L.; González, F.; Sand, W.; Ballester, A. Aeromonas hydrophila produces conductive nanowires. Res. Microbiol. 2014, 165, 794-802.
dc.identifier.doi10.1016/j.resmic.2014.09.005
dc.identifier.issn0923-2508
dc.identifier.officialurlhttps://doi.org/10.1016/j.resmic.2014.09.005
dc.identifier.urihttps://hdl.handle.net/20.500.14352/91156
dc.issue.number9
dc.journal.titleResearch in Microbiology
dc.language.isoeng
dc.page.final802
dc.page.initial794
dc.publisherElsevier
dc.relation.projectIDMAT2008-01879
dc.relation.projectIDMAT2011-24186
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internationalen
dc.rights.accessRightsopen access
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject.keywordIron reducing bacteria
dc.subject.keywordConductive-AFM
dc.subject.keywordAHL
dc.subject.keywordBiofilms
dc.subject.keywordCell attachment
dc.subject.ucmMateriales
dc.subject.ucmMetalurgia
dc.subject.unesco3303 Ingeniería y Tecnología Químicas
dc.titleAeromonas hydrophila produces conductive nanowires
dc.typejournal article
dc.volume.number165
dspace.entity.typePublication
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relation.isAuthorOfPublication.latestForDiscovery93b5b649-29f0-4442-b669-6ee59981ae2b
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