Document Detail


Interactions of Legionella Effector Proteins with Host Phosphoinositide Lipids.
MedLine Citation:
PMID:  23150409     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
By means of the Icm/Dot type IV secretion system Legionella pneumophila translocates several effector proteins into host cells, where they anchor to the cytoplasmic face of the LCV membrane by binding to phosphoinositide (PI) lipids. Thus, phosphatidylinositol-4-phosphate anchors the effector proteins SidC and SidM, which promote the interaction of LCVs with the ER and the secretory vesicle trafficking -pathway. In this chapter, we describe protocols to (1) identify PI-binding proteins in Legionella lysates using PI-beads, (2) determine PI-binding specificities and affinities of recombinant Legionella effector proteins by protein-lipid overlays, and (3) use Legionella effectors to identify cellular PI lipids.
Authors:
Stephen Weber; Stephanie Dolinsky; Hubert Hilbi
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Publication Detail:
Type:  JOURNAL ARTICLE    
Journal Detail:
Title:  Methods in molecular biology (Clifton, N.J.)     Volume:  954     ISSN:  1940-6029     ISO Abbreviation:  Methods Mol. Biol.     Publication Date:  2013  
Date Detail:
Created Date:  2012-11-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9214969     Medline TA:  Methods Mol Biol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  367-380     Citation Subset:  -    
Affiliation:
Max von Pettenkofer Institute, Ludwig-Maximilians University, Munich, Germany.
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