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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Mots clés AGROVOC

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

Informations bibliographiques

Publié dans

Applied and environmental microbiology

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

Editeur

SAGE Publications

D'autres materias

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

Langue

anglais

Licence

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Type

Journal Article; Text

Sur AGRIS depuis: 2024-02-28

Format: MODS

Fournisseur de données

Cette notice bibliographique a été fournie par National Agricultural Library

Découvrez la collection de ce fournisseur de données dans AGRIS

Liens

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

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