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Streptococcus oralis: Wikis


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Streptococcus oralis
Scientific classification
Domain: Bacteria
Phylum: Firmicutes
Class: Bacilli
Order: Lactobacillales
Family: Streptococcaceae
Genus: Streptococcus
Species: S. oralis
Binomial name
Streptococcus oralis

Streptococcus oralis is a Gram positive bacterium that grows characteristically in chains. It forms small white colonies on a wilkin chalgren agar plate. It is found in high numbers in the oral cavity. It has been classified as a member of the Streptococcus mitis group. Members of this group are opportunistic pathogens. Strains of S. oralis produce neuraminidase and an IgA protease and cannot bind α-amylase.


  • Marsh, Philip; Michael V. Martin (1999). Oral microbiology. Oxford [England]: Wright. ISBN 0-7236-1051-7.  


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