Characterization of a DNA probe for detection of Mycobacterium tuberculosis complex in clinical samples by polymerase chain reaction

Author:

Altamirano M1,Kelly M T1,Wong A1,Bessuille E T1,Black W A1,Smith J A1

Affiliation:

1. Department of Pathology, University of British Columbia, Vancouver, Canada.

Abstract

We cloned and sequenced a DNA fragment from Mycobacterium tuberculosis for use in the identification of members of the M. tuberculosis complex. The DNA probe for culture confirmation had a sensitivity and a specificity of 100%. By using primers developed from this probe, the polymerase chain reaction detected 20 mycobacteria by ethidium bromide staining. This polymerase chain reaction system demonstrated 98% sensitivity and 100% specificity for detection of the M. tuberculosis complex in 200 sputum specimens.

Publisher

American Society for Microbiology

Subject

Microbiology (medical)

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