Enhanced acid sensitivity of pressure-damaged Escherichia coli O157 cells.
作者信息
Pagán R, Jordan S, Benito A, Mackey B
机构信息
Food Microbial Sciences Unit, School of Food Biosciences, University of Reading, Whiteknights, Reading RG6 6AP, United Kingdom.
出版信息
Appl Environ Microbiol. 2001 Apr;67(4):1983-5. doi: 10.1128/AEM.67.4.1983-1985.2001.
Abstract
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.
摘要
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