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dc.contributor.authorTan, H.en
dc.contributor.authorBian, Z.en
dc.contributor.authorFan, M.en
dc.contributor.authorChen, Z.en
dc.contributor.authorFan, B.en
dc.identifier.citationZhonghua Kouqiang Yixue Zazhi, 2003; 38(3):223-226en
dc.descriptionArticle in Chineseen
dc.description.abstractOBJECTIVE: To establish a simple and rapid method to detect Streptococcus mutans and streptococcus sobrinus simultaneously in human saliva. METHODS: Chromosomal DNA from the bacteria was obtained by the extraction method with phenol-chloroform. A nested PCR method with two sets of primers specific for portions of the glucosyltransferase genes (gtfB of S. mutans and gtfI of S. sobrinus), was optimized to detect S. mutans and S. sobrinus from standard strains, clinical strains and directly in human saliva. RESULTS: The first process of nested PCR was capable of amplifying DNA fragments specific for these species from chromosomal DNA extracted from 10(5) CFU cells of standard and clinical strains, or from 1 ml clinical saliva samples containing 10(5) CFU cells of either species. a second process of nested PCR, using the first PCR product as a template with new internal primers to detect 10(3) CFU of either streptococcal species in 1ml saliva samples. CONCLUSION: Nested PCR could detect S. mutans and S. sobrinus rapidly and simply in human saliva. This finding would be important to studies of elucidation the role of these two streptococcal species in the etiology of dental caries.en
dc.description.statementofresponsibilityTian HP, Bian Z, Fan MW, Chen Z, Fan B.en
dc.publisherZhonghua Yixuehui Zazhisheen
dc.titleRapid detection of Streptococcus mutans and streptococcus sobrinus in human saliva by nested polymerase chain reactionen
dc.typeJournal articleen
pubs.library.collectionDentistry publicationsen
Appears in Collections:Dentistry publications

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