Abstract
Listeria monocytogenes is a bacterial pathogen that invades cultured nonphagocytic cells. Inhibitors and a dominant negative mutation were used to demonstrate that efficient entry requires the phosphoinositide (PI) 3-kinase p85α-p110. Infection with L. monocytogenes caused rapid increases in cellular amounts of PI(3,4)P 2 and PI(3,4,5)P 3 , indicating that invading bacteria stimulated PI 3-kinase activity. This stimulation required the bacterial protein InlB, host cell tyrosine phosphorylation, and association of p85α with one or more tyrosine-phosphorylated proteins. This role for PI 3-kinase in bacterial entry may have parallels in some endocytic events.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 27, 2002, 5:45 a.m.) |
Deposited | 1 year ago (Aug. 7, 2024, 7:27 a.m.) |
Indexed | 1 month, 3 weeks ago (July 11, 2025, 6:26 a.m.) |
Issued | 28 years, 10 months ago (Nov. 1, 1996) |
Published | 28 years, 10 months ago (Nov. 1, 1996) |
Published Print | 28 years, 10 months ago (Nov. 1, 1996) |
@article{Ireton_1996, title={A Role for Phosphoinositide 3-Kinase in Bacterial Invasion}, volume={274}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.274.5288.780}, DOI={10.1126/science.274.5288.780}, number={5288}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Ireton, Keith and Payrastre, Bernard and Chap, Hugues and Ogawa, Wataru and Sakaue, Hiroshi and Kasuga, Masato and Cossart, Pascale}, year={1996}, month=nov, pages={780–782} }