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  • Title: Specificity of salivary-bacterial interactions: role of terminal sialic acid residues in the interaction of salivary glycoproteins with Streptococcus sanguis and Streptococcus mutans.
    Author: Levine MJ, Herzberg MC, Levine MS, Ellison SA, Stinson MW, Li HC, van Dyke T.
    Journal: Infect Immun; 1978 Jan; 19(1):107-15. PubMed ID: 415001.
    Abstract:
    Four highly purified salivary glycoproteins were used to study salivary-bacterial interactions. One pair of glycoproteins was mucin-like in composition, whereas the second pair was not. By an agglutination assay, it was found that only the mucin-glycoproteins agglutinated Streptococcus sanguis and S. mutans. Removal of sialic acid from these molecules resulted in a loss of agglutination of S. sanguis but not of S. mutans. The agglutination phenomenon was shown to require a salivary macromolecule of at least 150,000 daltons.
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