Abstract
Oral streptococci have been associated with systemic diseases, including infective endocarditis and neutropenic bacteremia. We analyzed 58 recent oral streptococcal bloodstream isolates, and we obtained clinical and demographic data for source patients. The sodA gene was found to be a better target than the 16S-23S rRNA internal transcribed spacer for DNA sequence-based species identification. Together, Streptococcus mitis and Streptococcus oralis were significantly more likely than the 12 combined remaining species to be isolated from neutropenic patients.
Publication types
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Research Support, N.I.H., Extramural
MeSH terms
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Adolescent
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Adult
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Aged
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Aged, 80 and over
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Bacteremia / epidemiology
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Bacteremia / microbiology*
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Bacteremia / pathology*
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Bacterial Proteins / genetics
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Child, Preschool
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Cluster Analysis
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DNA, Bacterial / chemistry
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DNA, Bacterial / genetics
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DNA, Ribosomal Spacer / chemistry
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DNA, Ribosomal Spacer / genetics
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Female
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Hospitals
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Humans
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Infant
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Male
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Middle Aged
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Molecular Sequence Data
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Phylogeny
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Prevalence
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Sequence Analysis, DNA
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Streptococcal Infections / epidemiology
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Streptococcal Infections / microbiology*
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Streptococcal Infections / pathology*
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Streptococcus / classification*
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Streptococcus / genetics
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Streptococcus / isolation & purification*
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Superoxide Dismutase / genetics
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Young Adult
Substances
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Bacterial Proteins
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DNA, Bacterial
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DNA, Ribosomal Spacer
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SodA protein, Bacteria
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Superoxide Dismutase