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Human platelet aggregation by Yersinia pseudotuberculosis is mediated by invasin.

Human platelet aggregation by Yersinia pseudotuberculosis is mediated by invasin. Human platelet aggregation by Yersinia pseudotuberculosis is mediated by invasin. M Simonet , P Triadou , C Frehel , M C Morel-Kopp , C Kaplan and P Berche Laboratoire de Microbiologie, Faculté de Médecine Necker-Enfants Malades, Paris, France. ABSTRACT Plasmid-free strains of Yersinia pseudotuberculosis induce aggregation of human platelets in vitro. It appears that this phenomenon is mediated by invasin (Inv), a 103-kDa outer membrane protein that permits bacteria to penetrate mammalian cells, since (i) an isogenic inv-deficient mutant failed to aggregate platelets compared with the parental strain; (ii) a monoclonal antibody directed against invasin inhibited platelet aggregation; (iii) Inv+ Escherichia coli HB101 promoted platelet aggregation. Platelet receptors for invasin were identified by using a panel of anti-platelet glycoprotein monoclonal antibodies in a bacterial adhesion assay. We found that bacteria bind to platelet membrane glycoproteins Ic and IIa. Electron microscopic study of bacterium-platelet interactions also revealed that bacteria expressing invasin attach to and are phagocytized by thrombocytes, in contrast to inv-deficient bacteria, indicating that these anucleated cells are able to internalize bacteria in vitro after specific interaction with invasin. CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? « Previous | Next Article » Table of Contents This Article Infect. Immun. February 1992 vol. 60 no. 2 366-373 » Abstract PDF Classifications Research Article Services Email this article to a colleague Similar articles in ASM journals Alert me when this article is cited Alert me if a correction is posted Similar articles in this journal Similar articles in Web of Science Similar articles in PubMed Alert me to new issues of IAI Download to citation manager Reprints and Permissions Copyright Information Books from ASM Press MicrobeWorld Citing Articles Load citing article information Citing articles via Web of Science Citing articles via Google Scholar Google Scholar Articles by Simonet, M. Articles by Berche, P. Search for related content PubMed PubMed citation Articles by Simonet, M. Articles by Berche, P. Related Content Load related web page information Social Bookmarking CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? current issue December 2011, volume 79, issue 12 Spotlights in the Current Issue Face-to-Face: Mapping Host-Pathogen Interactions Chronological Aging Affects Virulence Factor Expression Toll-like Receptor 9 Modulates Macrophage Antifungal Effector Function during Innate Recognition of Candida albicans and Saccharomyces cerevisiae Specific Fimbrial Profiles in Uropathogenic Escherichia coli Predict Virulence Alert me to new issues of IAI About IAI Subscribers Authors Reviewers Advertisers Inquiries from the Press Permissions & Commercial Reprints ASM Journals Public Access Policy IAI RSS Feeds 1752 N Street N.W. • Washington DC 20036 202.737.3600 • 202.942.9355 fax • journals@asmusa.org Print ISSN: 0019-9567 Online ISSN: 1098-5522 Copyright © 2011 by the American Society for Microbiology. For an alternate route to IAI .asm.org, visit: http://intl- IAI .asm.org | More Info» var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); var pageTracker = _gat._getTracker("UA-5821458-8"); pageTracker._trackPageview(); http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Infection and Immunity American Society For Microbiology

Human platelet aggregation by Yersinia pseudotuberculosis is mediated by invasin.

Human platelet aggregation by Yersinia pseudotuberculosis is mediated by invasin.

Infection and Immunity , Volume 60 (2): 366 – Feb 1, 1992

Abstract

Human platelet aggregation by Yersinia pseudotuberculosis is mediated by invasin. M Simonet , P Triadou , C Frehel , M C Morel-Kopp , C Kaplan and P Berche Laboratoire de Microbiologie, Faculté de Médecine Necker-Enfants Malades, Paris, France. ABSTRACT Plasmid-free strains of Yersinia pseudotuberculosis induce aggregation of human platelets in vitro. It appears that this phenomenon is mediated by invasin (Inv), a 103-kDa outer membrane protein that permits bacteria to penetrate mammalian cells, since (i) an isogenic inv-deficient mutant failed to aggregate platelets compared with the parental strain; (ii) a monoclonal antibody directed against invasin inhibited platelet aggregation; (iii) Inv+ Escherichia coli HB101 promoted platelet aggregation. Platelet receptors for invasin were identified by using a panel of anti-platelet glycoprotein monoclonal antibodies in a bacterial adhesion assay. We found that bacteria bind to platelet membrane glycoproteins Ic and IIa. Electron microscopic study of bacterium-platelet interactions also revealed that bacteria expressing invasin attach to and are phagocytized by thrombocytes, in contrast to inv-deficient bacteria, indicating that these anucleated cells are able to internalize bacteria in vitro after specific interaction with invasin. CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? « Previous | Next Article » Table of Contents This Article Infect. Immun. February 1992 vol. 60 no. 2 366-373 » Abstract PDF Classifications Research Article Services Email this article to a colleague Similar articles in ASM journals Alert me when this article is cited Alert me if a correction is posted Similar articles in this journal Similar articles in Web of Science Similar articles in PubMed Alert me to new issues of IAI Download to citation manager Reprints and Permissions Copyright Information Books from ASM Press MicrobeWorld Citing Articles Load citing article information Citing articles via Web of Science Citing articles via Google Scholar Google Scholar Articles by Simonet, M. Articles by Berche, P. Search for related content PubMed PubMed citation Articles by Simonet, M. Articles by Berche, P. Related Content Load related web page information Social Bookmarking CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? current issue December 2011, volume 79, issue 12 Spotlights in the Current Issue Face-to-Face: Mapping Host-Pathogen Interactions Chronological Aging Affects Virulence Factor Expression Toll-like Receptor 9 Modulates Macrophage Antifungal Effector Function during Innate Recognition of Candida albicans and Saccharomyces cerevisiae Specific Fimbrial Profiles in Uropathogenic Escherichia coli Predict Virulence Alert me to new issues of IAI About IAI Subscribers Authors Reviewers Advertisers Inquiries from the Press Permissions & Commercial Reprints ASM Journals Public Access Policy IAI RSS Feeds 1752 N Street N.W. • Washington DC 20036 202.737.3600 • 202.942.9355 fax • journals@asmusa.org Print ISSN: 0019-9567 Online ISSN: 1098-5522 Copyright © 2011 by the American Society for Microbiology. For an alternate route to IAI .asm.org, visit: http://intl- IAI .asm.org | More Info» var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); var pageTracker = _gat._getTracker("UA-5821458-8"); pageTracker._trackPageview();

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Publisher
American Society For Microbiology
Copyright
Copyright © 1992 by the American society for Microbiology.
ISSN
0019-9567
eISSN
1098-5522
Publisher site
See Article on Publisher Site

Abstract

Human platelet aggregation by Yersinia pseudotuberculosis is mediated by invasin. M Simonet , P Triadou , C Frehel , M C Morel-Kopp , C Kaplan and P Berche Laboratoire de Microbiologie, Faculté de Médecine Necker-Enfants Malades, Paris, France. ABSTRACT Plasmid-free strains of Yersinia pseudotuberculosis induce aggregation of human platelets in vitro. It appears that this phenomenon is mediated by invasin (Inv), a 103-kDa outer membrane protein that permits bacteria to penetrate mammalian cells, since (i) an isogenic inv-deficient mutant failed to aggregate platelets compared with the parental strain; (ii) a monoclonal antibody directed against invasin inhibited platelet aggregation; (iii) Inv+ Escherichia coli HB101 promoted platelet aggregation. Platelet receptors for invasin were identified by using a panel of anti-platelet glycoprotein monoclonal antibodies in a bacterial adhesion assay. We found that bacteria bind to platelet membrane glycoproteins Ic and IIa. Electron microscopic study of bacterium-platelet interactions also revealed that bacteria expressing invasin attach to and are phagocytized by thrombocytes, in contrast to inv-deficient bacteria, indicating that these anucleated cells are able to internalize bacteria in vitro after specific interaction with invasin. CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? « Previous | Next Article » Table of Contents This Article Infect. Immun. February 1992 vol. 60 no. 2 366-373 » Abstract PDF Classifications Research Article Services Email this article to a colleague Similar articles in ASM journals Alert me when this article is cited Alert me if a correction is posted Similar articles in this journal Similar articles in Web of Science Similar articles in PubMed Alert me to new issues of IAI Download to citation manager Reprints and Permissions Copyright Information Books from ASM Press MicrobeWorld Citing Articles Load citing article information Citing articles via Web of Science Citing articles via Google Scholar Google Scholar Articles by Simonet, M. Articles by Berche, P. Search for related content PubMed PubMed citation Articles by Simonet, M. Articles by Berche, P. Related Content Load related web page information Social Bookmarking CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? current issue December 2011, volume 79, issue 12 Spotlights in the Current Issue Face-to-Face: Mapping Host-Pathogen Interactions Chronological Aging Affects Virulence Factor Expression Toll-like Receptor 9 Modulates Macrophage Antifungal Effector Function during Innate Recognition of Candida albicans and Saccharomyces cerevisiae Specific Fimbrial Profiles in Uropathogenic Escherichia coli Predict Virulence Alert me to new issues of IAI About IAI Subscribers Authors Reviewers Advertisers Inquiries from the Press Permissions & Commercial Reprints ASM Journals Public Access Policy IAI RSS Feeds 1752 N Street N.W. • Washington DC 20036 202.737.3600 • 202.942.9355 fax • journals@asmusa.org Print ISSN: 0019-9567 Online ISSN: 1098-5522 Copyright © 2011 by the American Society for Microbiology. For an alternate route to IAI .asm.org, visit: http://intl- IAI .asm.org | More Info» var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); var pageTracker = _gat._getTracker("UA-5821458-8"); pageTracker._trackPageview();

Journal

Infection and ImmunityAmerican Society For Microbiology

Published: Feb 1, 1992

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