Proteomic characterization of enterohemorrhagic escherichia coli O157:H7 in the oxidation-induced viable but non-culturable state.

Proteomic characterization of enterohemorrhagic escherichia coli O157:H7 in the oxidation-induced viable but non-culturable state. Research Abstract Details 

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Proteomic characterization of enterohemorrhagic escherichia coli O157:H7 in the oxidation-induced viable but non-culturable state. Abstract Text:

Hiroshi Asakura,Nantika Panutdaporn,Keiko Kawamoto,Shizunobu Igimi,Shigeki Yamamoto,Sou-Ichi Makino,Hiroshi Asakura,Nantika Panutdaporn,Keiko Kawamoto,Shizunobu Igimi,Shigeki Yamamoto,Sou-Ichi Makino,

Enterohemorrhagic Escherichia coli (EHEC) O157 strain F2, a food isolate of an outbreak, is resistant to oxidative stress, but has increased stress-sensitivity after passage through mice. The stress-sensitive variant of F2 (designated MP37) has decreased culturability, but retains membrane integrity under stress conditions, indicating that the cells enter a viable but non-culturable (VBNC) state. Proteomic analyses revealed that MP37 in the VBNC state had decreased levels of some oxidation-responsive factors (AhpCF, AceF), but it markedly increased levels of outer membrane protein W (OmpW). Because F2 expressed higher levels of some ribosome-associated proteins (RaiA, S6, Bcp) than MP37, the effect of animal passage on the induction of the VBNC state in the EHEC O157 cells might be due to ribosomal activity.

Proteomic characterization of enterohemorrhagic escherichia coli O157:H7 in the oxidation-induced viable but non-culturable state. Publishing Authors By Initials

H Asakura,N Panutdaporn,K Kawamoto,S Igimi,S Yamamoto,S Makino,H Asakura,N Panutdaporn,K Kawamoto,S Igimi,S Yamamoto,S Makino,

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Proteomic characterization of enterohemorrhagic escherichia coli O157:H7 in the oxidation-induced viable but non-culturable state. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Microbiology and immunology

VOLUME: 51

Page Numbers: 875-81

Journal Abbreviation: Microbiol. Immunol.

ISSN: 0385-5600

DAY: 26

MONTH: 09

YEAR: 2007

Proteomic characterization of enterohemorrhagic escherichia coli O157:H7 in the oxidation-induced viable but non-culturable state. Information

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LANGUAGE: eng

NlmUniqueID: 7703966

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Grant and Affiliation Information for Proteomic characterization of enterohemorrhagic escherichia coli O157:H7 in the oxidation-induced viable but non-culturable state.

AFFILIATION: Division of Biomedical Food Research, National Institute of Health Sciences, Tokyo, Japan. hasakura@nihs.go.jp

Country: Japan

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MEDLINETA: Microbiol Immunol

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