Survival of low-pH stress by Escherichia coli O157:H7: correlation between alterations in the cell envelope and increased acid tolerance.

KN, Jordan; L, Oxford; CP, O'Byrne

doi:10.1128/aem.65.7.3048-3055.1999

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Survival of low-pH stress by Escherichia coli O157:H7: correlation between alterations in the cell envelope and increased acid tolerance.

Shared by NobleBlocks on Jul 1, 1999 • 12:00 AM UTC

Authors:

Jordan KN

Oxford L

O'Byrne CP

Abstract

Survival of a nontoxigenic isolate of Escherichia coli O157:H7 at low pH (pH 3.0) was examined over prolonged time periods for each of three population types: exponential-phase cells, stationary-phase cells, and acid-adapted exponential-phase cells. In each population, approximately 5 x 10(4) CFU ml...

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