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The role of cholesterol in the activity of pneumolysin, a bacterial protein toxin.

Abstract:

The mechanism via which pneumolysin (PLY), a toxin and major virulence factor of the bacterium Streptococcus pneumoniae, binds to its putative receptor, cholesterol, is still poorly understood. We present results from a series of biophysical studies that shed light on the interaction of PLY with cholesterol in solution and in lipid bilayers. PLY lyses cells whose walls contain cholesterol. Using standard hemolytic assays we have demonstrated that the hemolytic activity of PLY is inhibited by ...

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Publication status:
Published

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Journal:
Biophysical journal More from this journal
Volume:
86
Issue:
5
Pages:
3141-3151
Publication date:
2004-05-01
DOI:
EISSN:
1542-0086
ISSN:
0006-3495

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