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Journal of Clinical Microbiology, April 1999, p. 1144-1149, Vol. 37, No. 4
Department of Medicine, State University of New York Health
Science Center at Brooklyn, Brooklyn, New York
112031; Division of Infectious
Diseases, Montefiore Medical Center of the Albert Einstein College of
Medicine, Bronx, New York 104672;
Howard Hughes Medical Institute and Department of Microbiology
and Immunology,
Received 21 October 1998/Returned for modification 2 December
1998/Accepted 15 January 1999
Detecting antibiotic resistance in Mycobacterium
tuberculosis is becoming increasingly important with the global
recognition of drug-resistant strains and their adverse impact on
clinical outcomes. Current methods of susceptibility testing are either time-consuming or costly; rapid, reliable, simple, and inexpensive methods would be highly desirable, especially in the developing world
where most tuberculosis is found. The luciferase reporter phage is a
unique reagent well-suited for this purpose: upon infection with viable
mycobacteria, it produces quantifiable light which is not observed in
mycobacterial cells treated with active antimicrobials. In this report,
we describe a modification of our original assay, which allows
detection of the emitted light with a Polaroid film box designated the
Bronx Box. The technique has been applied to 25 M. tuberculosis reference and clinical strains, and criteria are
presented which allow rapid and simple discrimination among strains
susceptible or resistant to isoniazid and rifampin, the major
antituberculosis agents.
0095-1137/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.
Rapid Film-Based Determination of Antibiotic Susceptibilities of
Mycobacterium tuberculosis Strains by Using a Luciferase
Reporter Phage and the Bronx Box


*
Corresponding author. Mailing address: Howard Hughes
Medical Institute, Albert Einstein College of Medicine of Yeshiva
University, 1300 Morris Park Ave., Bronx, NY 10461. Phone: (718)
430-2888. Fax: (718) 518-0366. E-mail:
jacobs{at}aecom.yu.edu.
Present address: Department of Molecular Biophysics and
Biochemistry, Yale University, New Haven, CT 06520.
Present address: Laboratoire de Virologie Moléculaire,
Institut de Biologie, Faculté de Médecine de
Montpellier, 34060 Montpellier CEDEX, France.
§
Present address: Tuberculosis Research Center, Chetput, Chennai,
India 600031.
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