Enhanced acid sensitivity of pressure-damaged Escherichia coli O157 cells

Enhanced acid sensitivity of pressure-damaged Escherichia coli O157 cells

2001

Pressure-damaged Escherichia coli O157 cells were more acid sensitive than native cells and were impaired in pH homeostasis. However differences in acid sensitivity were not related to differences in cytoplasmic pH (pH(i)). Cellular beta-galactosidase was more acid labile in damaged cells. Sensitization to acid may thus involve loss of protective or repair functions.

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AGROVOC Keywords

acidity antibacterial properties damage enzymology escherichia coli hydrochloric acid hydrochloric acid hydrostatic pressure inactivation metabolism pharmacology

Bibliographic information

Published in

Applied and environmental microbiology

Volume 67 Issue 4 Pagination 1983 - 1985 ISSN 0099-2240

Publisher

SAGE Publications

Other Subjects

Pressure treatment; Drug effects; Colony count; Microbial; Hydrogen-ion concentration; Beta-galactosidase; Growth development; Escherichia coli o157; Beta-galactosidase; Protein degradation

Language

English

License

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Type

Journal Article; Text

In AGRIS since: 2024-02-28

Format: MODS

Data Provider

This bibliographic record has been provided by National Agricultural Library

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Links

DOI http://dx.doi.org/10.1128/AEM.67.4.1983-1985.2001

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