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Mutators and Long-term Molecular Evolution of Pathogenic Escherichia Coli O157:H7

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Date 1998 Dec 29
PMID 9866737
Citations 7
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Abstract

It has been proposed that an increased mutation rate (indicated by the frequency of hypermutable isolates) has facilitated the emergence of Escherichia coli O157:H7. Analysis of the divergence of 12 genes shows no evidence that the pathogen has undergone an unusually high rate of mutation and molecular evolution.

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