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dc.date.accessioned 2019-11-05T15:15:25Z
dc.date.available 2019-11-05T15:15:25Z
dc.date.issued 2002
dc.identifier.uri http://sedici.unlp.edu.ar/handle/10915/84961
dc.description.abstract Aim: The changes produced on the bacterial surface of Bifidobacteria cells when they are grown in bile were compared with those provoked by bile added to bacteria grown in the absence of bile. Methods and Results: The adhesive properties, the zeta potential and the lipid composition of Bifidobacterial strains, isolated from human faeces and grown in MRS medium, were determined. Bacteria grown in MRS with bile showed a loss of adherence and autoaggregation in correlation with a decrease in the surface hydrophobicity in comparison to those grown in MRS without bile, concomitant with the absence of two glycolipids, the increase of sugar content and minor changes in fatty acid composition. The surface changes caused by bile shock on bacteria grown in bile-free medium were much less pronounced and, in addition, no effect on the lipid composition was apparent. Conclusions: The comparison of the results indicates that bile action on surface properties is related to metabolic changes. Significance and Impact of the Study: Long-term exposure of bacteria to bile may cause metabolic changes affecting their adhesive properties irreversibly. This may be taken as a criterion to define the probiotic properties of different strains. en
dc.format.extent 794-799 es
dc.language en es
dc.subject lipid composition es
dc.subject surface properties es
dc.subject bifidobacteria es
dc.title Effect of bile on the lipid composition and surface properties of bifidobacteria en
dc.type Articulo es
sedici.identifier.other doi:10.1046/j.1365-2672.2002.01747.x es
sedici.identifier.other eid:2-s2.0-0036430040 es
sedici.identifier.issn 1364-5072 es
sedici.creator.person Gómez-Zavaglia, Andrea es
sedici.creator.person Kociubinski, Guillermo Luis es
sedici.creator.person Pérez, Pablo Fernando es
sedici.creator.person Disalvo, E. es
sedici.creator.person De Antoni, Graciela Liliana es
sedici.subject.materias Ciencias Exactas es
sedici.description.fulltext true es
mods.originInfo.place Facultad de Ciencias Exactas es
mods.originInfo.place Centro de Investigación y Desarrollo en Criotecnología de Alimentos es
sedici.subtype Articulo es
sedici.rights.license Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
sedici.rights.uri http://creativecommons.org/licenses/by-nc-sa/4.0/
sedici.description.peerReview peer-review es
sedici.relation.journalTitle Journal of Applied Microbiology es
sedici.relation.journalVolumeAndIssue vol. 93, no. 5 es
sedici.rights.sherpa * RoMEO: amarillo* Pre-print del autor: can* Post-print del autor: restricted* Versión de editor/PDF:cannot* Condiciones:>>Algunas revistas tienen políticas independientes, consultar directamente con cada revista>>On author's personal website, institutional repositories, arXiv, AgEcon, PhilPapers, PubMed Central, RePEc or Social Science Research Network>>Author's pre-print may not be updated with Publisher's Version/PDF>>Author's pre-print must acknowledge acceptance for publication>>No comercial>>La versión de editor/PDF no puede utilizarse>>Debe reconocerse la fuente de publicación con la cita>>Must link to publisher version with set statement (see policy)>>If OnlineOpen is available, BBSRC, EPSRC, MRC, NERC and STFC authors, may self-archive after 12 months>>Publisher last contacted on 07/08/2014* Link a Sherpa: http://sherpa.ac.uk/romeo/issn/1364-5072/es/


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Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) Except where otherwise noted, this item's license is described as Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)