Document Detail


Functional microdomains in bacterial membranes.
MedLine Citation:
PMID:  20713508     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The membranes of eukaryotic cells harbor microdomains known as lipid rafts that contain a variety of signaling and transport proteins. Here we show that bacterial membranes contain microdomains functionally similar to those of eukaryotic cells. These membrane microdomains from diverse bacteria harbor homologs of Flotillin-1, a eukaryotic protein found exclusively in lipid rafts, along with proteins involved in signaling and transport. Inhibition of lipid raft formation through the action of zaragozic acid--a known inhibitor of squalene synthases--impaired biofilm formation and protein secretion but not cell viability. The orchestration of physiological processes in microdomains may be a more widespread feature of membranes than previously appreciated.
Authors:
Daniel López; Roberto Kolter
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't     Date:  2010-08-16
Journal Detail:
Title:  Genes & development     Volume:  24     ISSN:  1549-5477     ISO Abbreviation:  Genes Dev.     Publication Date:  2010 Sep 
Date Detail:
Created Date:  2010-09-02     Completed Date:  2010-09-14     Revised Date:  2011-08-01    
Medline Journal Info:
Nlm Unique ID:  8711660     Medline TA:  Genes Dev     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1893-902     Citation Subset:  IM    
Affiliation:
Department of Microbiology and Molecular Genetics, Harvard Medical School, Boston, Massachusetts 02115, USA.
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MeSH Terms
Descriptor/Qualifier:
Bacillus subtilis / enzymology,  metabolism
Bacteria / enzymology,  metabolism*
Bacterial Proteins / metabolism*
Biofilms / drug effects
Enzyme Inhibitors / metabolism
Farnesyl-Diphosphate Farnesyltransferase / metabolism
Membrane Microdomains / metabolism*
Membrane Proteins / metabolism
Protein Transport
Signal Transduction / drug effects
Sugar Alcohol Dehydrogenases / metabolism
Grant Support
ID/Acronym/Agency:
GM58213/GM/NIGMS NIH HHS; R01 GM058213-14/GM/NIGMS NIH HHS
Chemical
Reg. No./Substance:
0/Bacterial Proteins; 0/Enzyme Inhibitors; 0/Membrane Proteins; 0/flotillins; EC 1.1.-/IolX protein, Bacillus subtilis; EC 1.1.-/Sugar Alcohol Dehydrogenases; EC 2.5.1.21/Farnesyl-Diphosphate Farnesyltransferase
Comments/Corrections
Comment In:
Nat Rev Microbiol. 2010 Nov;8(11):756   [PMID:  21080545 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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