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Of 158 oral Streptococcus milleri strains, 46 exhibited cellular coaggregation with the reagent strains of the actinomyces coaggregation groups A, B, and/or E. All but 1 of the 33 serotype b, e, f/F, and k/G strains belonged to streptococcus coaggregation group 2, and only 14 strains of limited seroclasses (g, i, Lancefield group F, or untypeable) appeared(More)
Oral isolates of Streptococcus milleri were examined for their ability to coaggregate with actinomyces. Of the 68 S. milleri strains tested, including 3 reference strains, 40 strains coaggregated with Actinomyces naeslundii WVU45 (actinomyces coaggregation group B) and 36 strains coaggregated with Actinomyces viscosus T14V (actinomyces coaggregation group(More)
The production of polysaccharides from sucrose by extracellular enzymes from oral Streptococcus salivarius isolates and the physico-chemical properties of water-insoluble products (IPs) were investigated. Extracellular enzymes from all the 18 strains tested produced insoluble alpha-D-glucans (IGs) as well as soluble beta-D-fructans, and formed adhering(More)
A total of eighteen strains of Streptococcus salivarius, which formed rough gelatinous, rough mucoid or smooth mucoid colonies on sucrose agar media, were isolated from the saliva and tongue dorsum of adults. All of the isolates produced glucans as well as fructans from sucrose. The bulk of the glucans was synthesized by the extracellular enzyme fraction(More)
Ninety-one Streptococcus milleri strains isolated from various systemic purulent lesions of 68 patients were examined by physiological and serological tests. Most strains formed a smooth colony (66 strains), did not form spontaneous aggregation of cells in BHI broth culture (79), were non-beta-haemolytic (alpha-35 or non-41), and belonged to biotype Ia (49)(More)
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