Abstract
Of 49 subjects, 21 were colonized with more than one strain of Escherichia coli and 12 subjects had at least one strain present in fewer than 20% of colonies. The ability to accurately characterize E. coli strain diversity is directly related to the number of colonies sampled and the underlying prevalence of the strain.
Publication types
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Research Support, N.I.H., Extramural
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Adult
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Aged
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Aged, 80 and over
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Electrophoresis, Gel, Pulsed-Field
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Escherichia coli / genetics*
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Escherichia coli / isolation & purification
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Feces / microbiology*
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Female
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Genetic Variation / genetics
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Humans
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Male
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Middle Aged