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JoVE Journal
Immunology and Infection

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Visualization of Bacterial Toxin Induced Responses Using Live Cell Fluorescence Microscopy
 

Visualization of Bacterial Toxin Induced Responses Using Live Cell Fluorescence Microscopy

Article DOI: 10.3791/4227
October 1st, 2012

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Summary October 1st, 2012

Methods for purifying the cholesterol binding toxin streptolysin O from recombinant E. coli and visualization of toxin binding to live eukaryotic cells are described. Localized delivery of toxin induces rapid and complex changes in targeted cells revealing novel aspects of toxin biology.

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