Document Detail


Use of fluorescence microscopy to study intracellular signaling in bacteria.
MedLine Citation:
PMID:  20528689     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Following the introduction of fluorescent protein tags, the application of fluorescence microscopy in microbial cell biology has advanced the field dramatically. We now understand that bacterial cells are not simple bags of enzymes but have complex internal structures, and that specific intracellular organization plays an important role in a number of processes, including signal transduction. The quantitative nature and high temporal resolution of fluorescence microscopy make it particularly useful for studies of intracellular dynamic systems, such as signaling networks. Applications of fluorescence microscopy in signaling are not limited to studying localization. Several techniques allow researchers to follow real-time dynamics of protein interactions, at steady state or upon stimulation, and therefore to investigate signal propagation, amplification, and integration in the cell. Moreover, microscopy enables investigation of single-cell gene expression kinetics, bringing such concepts as cell individuality and robustness against stochasticity of gene expression to the forefront of signaling studies.
Authors:
David Kentner; Victor Sourjik
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Annual review of microbiology     Volume:  64     ISSN:  1545-3251     ISO Abbreviation:  Annu. Rev. Microbiol.     Publication Date:  2010  
Date Detail:
Created Date:  2010-09-09     Completed Date:  2010-12-13     Revised Date:  2011-10-31    
Medline Journal Info:
Nlm Unique ID:  0372370     Medline TA:  Annu Rev Microbiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  373-90     Citation Subset:  IM    
Affiliation:
Zentrum für Molekulare Biologie der Universität Heidelberg, DKFZ-ZMBH Alliance, D-69120 Heidelberg, Germany.
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MeSH Terms
Descriptor/Qualifier:
Bacterial Physiological Phenomena*
Bacterial Proteins / metabolism
Cytosol / chemistry
Microscopy, Fluorescence / methods*
Organelles / chemistry
Protein Binding
Signal Transduction*
Chemical
Reg. No./Substance:
0/Bacterial Proteins

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


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