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Prolonged cold stress response of Escherichia coli O157 and the role of rpoS.

International journal of food microbiology - 30 Mar 2011

Vidovic Sinisa, Mangalappalli-Illathu Anil K, Korber Darren R

Abstract excerpt

Phenotypic analyses were performed using an enterohemorrhagic Escherichia coli O157 (EHEC) strain (B-1) and a commensal E. coli K-12 strain, exposed to prolonged cold stress. The EHEC E. coli O157 showed significantly (P<0.05) higher resistance to cold stress compared to non-pathogenic E. coli K-12 DH5α. Further, it was found that RpoS sigma factor plays a significant (P<0.05) role in the cold stress physiology...

Topics

Bacterial Proteins
Carbohydrate Metabolism
Cell Membrane
Cold Temperature
Cold-Shock Response
Escherichia coli
Escherichia coli O157
Escherichia coli Proteins
Mutation
Proteome
RNA, Bacterial

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

RNA, Messenger

Sigma Factor

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Identifiers

PMID: 21402428
DOI: 10.1016/j.ijfoodmicro.2011.02.018

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