Abstract:
:Escherichia coli mutants with improved organic solvent tolerance levels showed high levels of outer membrane protein TolC and inner membrane protein AcrA. The TolC level was regulated positively by MarA, Rob, or SoxS. A possible mar-rob-sox box sequence was found upstream of the tolC gene. These findings suggest that tolC is a member of the mar-sox regulon responsive to stress conditions. When a defective tolC gene was transferred to n-hexane- or cyclohexane-tolerant strains by P1 transduction, the organic solvent tolerance level was lowered dramatically to the decane-tolerant and nonane-sensitive level. The tolerance level was restored by transformation of the transductants with a wild-type tolC gene. Therefore, it is evident that TolC is essential for E. coli to maintain organic solvent tolerance.
journal_name
J Bacterioljournal_title
Journal of bacteriologyauthors
Aono R,Tsukagoshi N,Yamamoto Mdoi
10.1128/JB.180.4.938-944.1998subject
Has Abstractpub_date
1998-02-01 00:00:00pages
938-44issue
4eissn
0021-9193issn
1098-5530journal_volume
180pub_type
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更新日期:1974-08-01 00:00:00
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更新日期:2004-08-01 00:00:00
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更新日期:1989-03-01 00:00:00
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pub_type: 评论,杂志文章
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journal_title:Journal of bacteriology
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更新日期:1994-11-01 00:00:00
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更新日期:1997-12-01 00:00:00
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更新日期:1977-12-01 00:00:00
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journal_title:Journal of bacteriology
pub_type: 杂志文章
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更新日期:2015-06-01 00:00:00