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First isolation of Streptococcus downei from human dental plaques
Cited 15 time in
Web of Science
Cited 13 time in Scopus
- Authors
- Issue Date
- 2006-01
- Publisher
- Wiley-Blackwell
- Citation
- FEMS Microbiology Letters 249, 323-326
- Keywords
- Streptococcus downei ; Human ; Dextranase gene ; 16S rDNA
- Abstract
- In this study, we isolated four bacterial strains grown on mitis-salivarius sucrose bacitracin agar. The strains had similar biochemical characteristics to biotypes I or II of mutans streptococci. The four isolates were identified as Streptococcus downei by 16S rDNA and dextranase gene (dex) sequencing as well as polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) targeting dex. To our knowledge, this is the first report of the isolation and identification of S. downei from dental plaque in humans. The results suggest that S. downei can inhabit the human oral cavity.
- ISSN
- 0378-1097
- Language
- English
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