Literature DB >> 12540587

Influence of extracellular bactericidal agents on bacteria within macrophages.

Terri S Hamrick1, Adam H Diaz, Edward A Havell, John R Horton, Paul E Orndorff.   

Abstract

We employed gentamicin-sensitive and -resistant derivatives of Escherichia coli in a macrophage phagocytosis assay that compared lambda bacteriophage and gentamicin as extracellular bactericidal agents. Colony counts and direct microscopic examination of phagocytized E. coli supported the conclusion that gentamicin entered macrophages, even at low concentrations, and contributed to their bactericidal activity. Also, two E. coli strains differing in the ability to express the adhesin of type 1 pili (FimH) were distinguishably different in intracellular survival when lambda was used as the extracellular killing agent but were indistinguishable when gentamicin was employed.

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Year:  2003        PMID： 12540587      PMCID： PMC145358          DOI： 10.1128/IAI.71.2.1016-1019.2003

Source DB:  PubMed          Journal:  Infect Immun        ISSN： 0019-9567            Impact factor:   3.441


  15 in total

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Authors:  B R Keith; S L Harris; P W Russell; P E Orndorff
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4.  Involvement of cellular caveolae in bacterial entry into mast cells.

Authors:  J S Shin; Z Gao; S N Abraham
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5.  Host and bacterial factors involved in the innate ability of mouse macrophages to eliminate internalized unopsonized Escherichia coli.

Authors:  T S Hamrick; E A Havell; J R Horton; P E Orndorff
Journal:  Infect Immun       Date:  2000-01       Impact factor: 3.441

6.  Altered membrane trafficking in activated bone marrow-derived macrophages.

Authors:  A W Tsang; K Oestergaard; J T Myers; J A Swanson
Journal:  J Leukoc Biol       Date:  2000-10       Impact factor: 4.962

7.  Gentamicin antibacterial activity in the presence of human polymorphonuclear leukocytes.

Authors:  P Vaudaux; F A Waldvogel
Journal:  Antimicrob Agents Chemother       Date:  1979-12       Impact factor: 5.191

8.  Use of UV-irradiated bacteriophage T6 to kill extracellular bacteria in tissue culture infectivity assays.

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Authors:  L G Eissenberg; P B Wyrick
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10.  The pinocytic rate of activated macrophages.

Authors:  P J Edelson; R Zwiebel; Z A Cohn
Journal:  J Exp Med       Date:  1975-11-01       Impact factor: 14.307
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6.  High-throughput, single-cell analysis of macrophage interactions with fluorescently labeled Bacillus anthracis spores.

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Authors:  S N A Qazi; S E Harrison; T Self; P Williams; P J Hill
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9.  Survival and replication of Escherichia coli O157:H7 inside the mice peritoneal macrophages.

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