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Characteristics of biofilm formation by Streptococcus mutans in the presence of saliva

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dc.contributor.authorAhn, Sug-Joon-
dc.contributor.authorAhn, Sang-Joon-
dc.contributor.authorWen, Zezhang T.-
dc.contributor.authorBrady, L. Jeannine-
dc.contributor.authorBurne, Robert A.-
dc.date.accessioned2013-01-14T07:29:50Z-
dc.date.available2013-01-14T07:29:50Z-
dc.date.issued2008-09-
dc.identifier.citationINFECTION AND IMMUNITY, Vol.76, No.9, pp.4259-4268ko_KR
dc.identifier.issn0019-9567-
dc.identifier.urihttps://hdl.handle.net/10371/80472-
dc.description.abstractInteractions between salivary agglutinin and the adhesin P1 of Streptococcus mutans contribute to bacterial aggregation and mediate sucrose-independent adherence to tooth surfaces. We have examined biofilm formation by S. mutans UA159, and derivative strains carrying mutations affecting the localization or expression of P1, in the presence of fluid-phase or adsorbed saliva or salivary agglutinin preparations. Whole saliva-and salivary agglutinin-induced aggregation of S. mutans was adversely affected by the loss of P1 and sortase (SrtA) but not by the loss of trigger factor (RopA). Fluid-phase salivary agglutinin and, to a lesser extent, immobilized agglutinin inhibited biofilm development by S. mutans in the absence of sucrose, and whole saliva was more effective at decreasing biofilm formation than salivary agglutinin. Inhibition of biofilm development by salivary agglutinin was differently influenced by particular mutations, with the P1-deficient strain displaying a greater inhibition of biofilm development than the SrtA- or RopA-deficient strains. As expected, biofilm-forming capacities of all strains in the presence of salivary preparations were markedly enhanced in the presence of sucrose, although biofilm formation by the mutants was less efficient than that by the parental strain. Aeration strongly inhibited biofilm development, and the presence of salivary components did not restore biofilm formation in aerated conditions. The results disclose a potent ability of salivary constituents to moderate biofilm formation by S. mutans through P1-dependent and P1-independent pathways.ko_KR
dc.description.sponsorshipThis work was supported by grants DE13239, DE08007, and DE13882 from the NIDCR.-
dc.language.isoenko_KR
dc.publisherAMER SOC MICROBIOLOGYko_KR
dc.titleCharacteristics of biofilm formation by Streptococcus mutans in the presence of salivako_KR
dc.typeArticleko_KR
dc.contributor.AlternativeAuthor안석준-
dc.contributor.AlternativeAuthor안상준-
dc.identifier.doi10.1128/IAI.00422-08-
dc.citation.journaltitleINFECTION AND IMMUNITY-
dc.description.tc13-
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