Detection of Francisella tularensis in blood by polymerase chain reaction

Author:

Long G W1,Oprandy J J1,Narayanan R B1,Fortier A H1,Porter K R1,Nacy C A1

Affiliation:

1. Center for Immunization Research, Johns Hopkins University, Baltimore, Maryland 21205.

Abstract

We developed a polymerase chain reaction-based assay for Francisella tularensis which we evaluated by using spiked blood samples and experimentally infected mice. The assay detected both type A and type B F. tularensis at levels equivalent to one CFU/microliter of spiked blood. Results from polymerase chain reaction-based assay of limiting dilutions of blood from mice infected with the live vaccine strain agreed closely with results from blood culture.

Publisher

American Society for Microbiology

Subject

Microbiology (medical)

Reference15 articles.

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2. Antimicrobial susceptibility testing of Francisella tularensis with a modified Mueller-Hinton broth;Baker C. N.;J. Clin. Microbiol.,1985

3. .Committee of the Guide for Laboratory Animals and Care. Guide for laboratory animal facilities and care. National Research Council National Academy of Sciences Washington D.C.

4. Activation of macrophages for destruction of Francisella tularensis: identification of cytokines, effector cells, and effector molecules;Fortier A. H.;Infect. Immun.,1992

5. Live vaccine strain of Francisella tularensis: infection and immunity in mice;Fortier A. H.;Infect. Immun.,1991

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