NDLI: Characterization of Outer Membrane Proteins of Escherichia Coli in Response to Phenol Stress

Content Provider	Springer Nature Link
Author	Zhang, Dan Feng Li, Hui Lin, Xiang Min Wang, San Ying Peng, Xuan Xian
Copyright Year	2010
Abstract	Gram-negative bacteria are generally more tolerant to disinfectants than Gram-positive bacteria due to outer membrane (OM) barrier, but the tolerant mechanism is not well characterized. We have utilized comparative proteomic methodologies to characterize the OM proteins of E. coli K-12 K99+ in response to phenol stress and found that nine proteins were altered significantly. They were OM proteins OmpA, FadL, LamB, and OmpT, cytoplasmic-associated proteins AceA and EF-Tu, inner membrane protein AtpB, putative capsid protein Q8FewO, and unknown location protein Dps. They were reported here for the first time to be phenol-tolerant proteins. The alteration and functional characterization of the four OM proteins were further investigated using western blotting, genetically modified strains with gene deletion and gene complementation approaches. Our results characterized the functional OM proteins of E. coli in resistance to phenol, and provide novel insights into the mechanisms of bacterial disinfectant-tolerance and new drug targets for control of phenol-resistant bacteria.
Starting Page	777
Ending Page	783
Page Count	7
File Format	PDF
ISSN	03438651
Journal	Current Microbiology
Volume Number	62
Issue Number	3
e-ISSN	14320991
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-10-24
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Biotechnology Microbiology
Content Type	Text
Resource Type	Article
Subject	Medicine Microbiology Applied Microbiology and Biotechnology

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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