Cell-surface glycoside hydrolases promote growth of Streptococcus gordonii in saliva

【Author】

Jinghua Yang;Yuan Zhou;Luxia Zhang;Cheng Jin;Robert J.Palmer Jr.;John O.Cisar;

【Abstract】

<正>Background The development of dental plaque in the absence of exogenous nutrients has long been thought to depend on bacterial foraging of host salivary glycans.The oral commensal Streptococcus gordonii grew well in saliva,and growth may depend on a number of glycoside hydrolases(GHs)including three cell wall-anchored proteins that are homologs of pneumococcal P-galactosidase(BgaA),P-N-acetylglucosaminidase(StrH)and endohexosaminidase D(EndoD).

【Keywords】

glycoside;Streptococcus;salivary;galactosidase;nutrients;exogenous;dental;plaque;absence;agglutinin;

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