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Human granulocyte activity against moxalactam-induced filamentous forms of Pseudomonas aeruginosa.

Human granulocyte activity against moxalactam-induced filamentous forms of Pseudomonas aeruginosa. Human granulocyte activity against moxalactam-induced filamentous forms of Pseudomonas aeruginosa. M C Hammer , A L Baltch , R P Smith , J V Conroy , M Bishop , P Michelsen and L Hill Department of Medicine, Veterans Administration Medical Center, Albany, New York. ABSTRACT The purpose of this investigation was to study the kinetics of human granulocyte (polymorphonuclear leukocyte) phagocytosis and bactericidal activity against beta-lactam antibiotic (moxalactam)-induced filamentous bacterial forms of Pseudomonas aeruginosa. Ultrastructural observations of rod and filamentous forms of P. aeruginosa and their interaction with polymorphonuclear leukocytes are presented. Growth of P. aeruginosa 1348A in the presence of 4 micrograms of moxalactam per ml (one-fourth the MIC) resulted in filamentous forms. Phagocytosis of 75Se-radiolabeled filaments was more efficient than that of rods during the first 20 min of the assay; subsequently, phagocytosis of both forms was equal. The polymorphonuclear leukocyte bactericidal activities against both forms, which were standardized to equal bacterial particle and viable-cell counts, were equivalent. Considering the greater size and mass of filaments compared with those of rods, we concluded that filaments are more susceptible to both phagocytosis and killing than are bacillary forms. CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? « Previous | Next Article » Table of Contents This Article doi: 10.1128/​AAC.32.10.1565 Antimicrob. Agents Chemother. October 1988 vol. 32 no. 10 1565-1570 » 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 AAC 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 Hammer, M. C. Articles by Hill, L. Search for related content PubMed PubMed citation Articles by Hammer, M. C. Articles by Hill, L. 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 55, issue 12 Alert me to new issues of AAC About AAC Subscribers Authors Reviewers Advertisers Inquiries from the Press Permissions & Commercial Reprints ASM Journals Public Access Policy AAC RSS Feeds 1752 N Street N.W. • Washington DC 20036 202.737.3600 • 202.942.9355 fax • journals@asmusa.org Print ISSN: 0066-4804 Online ISSN: 1098-6596 Copyright © 2011 by the American Society for Microbiology. For an alternate route to AAC .asm.org, visit: http://intl- AAC .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-5821458-3"); pageTracker._trackPageview(); http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Antimicrobial Agents and Chemotherapy American Society For Microbiology

Human granulocyte activity against moxalactam-induced filamentous forms of Pseudomonas aeruginosa.

Human granulocyte activity against moxalactam-induced filamentous forms of Pseudomonas aeruginosa.

Antimicrobial Agents and Chemotherapy , Volume 32 (10): 1565 – Oct 1, 1988

Abstract

Human granulocyte activity against moxalactam-induced filamentous forms of Pseudomonas aeruginosa. M C Hammer , A L Baltch , R P Smith , J V Conroy , M Bishop , P Michelsen and L Hill Department of Medicine, Veterans Administration Medical Center, Albany, New York. ABSTRACT The purpose of this investigation was to study the kinetics of human granulocyte (polymorphonuclear leukocyte) phagocytosis and bactericidal activity against beta-lactam antibiotic (moxalactam)-induced filamentous bacterial forms of Pseudomonas aeruginosa. Ultrastructural observations of rod and filamentous forms of P. aeruginosa and their interaction with polymorphonuclear leukocytes are presented. Growth of P. aeruginosa 1348A in the presence of 4 micrograms of moxalactam per ml (one-fourth the MIC) resulted in filamentous forms. Phagocytosis of 75Se-radiolabeled filaments was more efficient than that of rods during the first 20 min of the assay; subsequently, phagocytosis of both forms was equal. The polymorphonuclear leukocyte bactericidal activities against both forms, which were standardized to equal bacterial particle and viable-cell counts, were equivalent. Considering the greater size and mass of filaments compared with those of rods, we concluded that filaments are more susceptible to both phagocytosis and killing than are bacillary forms. CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? « Previous | Next Article » Table of Contents This Article doi: 10.1128/​AAC.32.10.1565 Antimicrob. Agents Chemother. October 1988 vol. 32 no. 10 1565-1570 » 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 AAC 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 Hammer, M. C. Articles by Hill, L. Search for related content PubMed PubMed citation Articles by Hammer, M. C. Articles by Hill, L. 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 55, issue 12 Alert me to new issues of AAC About AAC Subscribers Authors Reviewers Advertisers Inquiries from the Press Permissions & Commercial Reprints ASM Journals Public Access Policy AAC RSS Feeds 1752 N Street N.W. • Washington DC 20036 202.737.3600 • 202.942.9355 fax • journals@asmusa.org Print ISSN: 0066-4804 Online ISSN: 1098-6596 Copyright © 2011 by the American Society for Microbiology. For an alternate route to AAC .asm.org, visit: http://intl- AAC .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-5821458-3"); pageTracker._trackPageview();

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References (27)

Publisher
American Society For Microbiology
Copyright
Copyright © 1988 by the American society for Microbiology.
ISSN
0066-4804
eISSN
1098-6596
DOI
10.1128/AAC.32.10.1565
Publisher site
See Article on Publisher Site

Abstract

Human granulocyte activity against moxalactam-induced filamentous forms of Pseudomonas aeruginosa. M C Hammer , A L Baltch , R P Smith , J V Conroy , M Bishop , P Michelsen and L Hill Department of Medicine, Veterans Administration Medical Center, Albany, New York. ABSTRACT The purpose of this investigation was to study the kinetics of human granulocyte (polymorphonuclear leukocyte) phagocytosis and bactericidal activity against beta-lactam antibiotic (moxalactam)-induced filamentous bacterial forms of Pseudomonas aeruginosa. Ultrastructural observations of rod and filamentous forms of P. aeruginosa and their interaction with polymorphonuclear leukocytes are presented. Growth of P. aeruginosa 1348A in the presence of 4 micrograms of moxalactam per ml (one-fourth the MIC) resulted in filamentous forms. Phagocytosis of 75Se-radiolabeled filaments was more efficient than that of rods during the first 20 min of the assay; subsequently, phagocytosis of both forms was equal. The polymorphonuclear leukocyte bactericidal activities against both forms, which were standardized to equal bacterial particle and viable-cell counts, were equivalent. Considering the greater size and mass of filaments compared with those of rods, we concluded that filaments are more susceptible to both phagocytosis and killing than are bacillary forms. CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? « Previous | Next Article » Table of Contents This Article doi: 10.1128/​AAC.32.10.1565 Antimicrob. Agents Chemother. October 1988 vol. 32 no. 10 1565-1570 » 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 AAC 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 Hammer, M. C. Articles by Hill, L. Search for related content PubMed PubMed citation Articles by Hammer, M. C. Articles by Hill, L. 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 55, issue 12 Alert me to new issues of AAC About AAC Subscribers Authors Reviewers Advertisers Inquiries from the Press Permissions & Commercial Reprints ASM Journals Public Access Policy AAC RSS Feeds 1752 N Street N.W. • Washington DC 20036 202.737.3600 • 202.942.9355 fax • journals@asmusa.org Print ISSN: 0066-4804 Online ISSN: 1098-6596 Copyright © 2011 by the American Society for Microbiology. For an alternate route to AAC .asm.org, visit: http://intl- AAC .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-5821458-3"); pageTracker._trackPageview();

Journal

Antimicrobial Agents and ChemotherapyAmerican Society For Microbiology

Published: Oct 1, 1988

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