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Comparative Study
. 1993 Apr;31(4):1019-21.
doi: 10.1128/jcm.31.4.1019-1021.1993.

Detection of Mycobacterium tuberculosis DNA in clinical samples by using a simple lysis method and polymerase chain reaction

L Folgueira  1 , R Delgado, E Palenque, A R Noriega
Affiliations
Comparative Study

Detection of Mycobacterium tuberculosis DNA in clinical samples by using a simple lysis method and polymerase chain reaction

L Folgueira et al. J Clin Microbiol. 1993 Apr.

Abstract

We have evaluated the polymerase chain reaction for detection of Mycobacterium tuberculosis in clinical samples from patients with tuberculous infection. Two simple methods for mycobacterial DNA release have been compared: sonication and lysis with nonionic detergents and proteinase K. The more effective method was the enzymatic technique. By using this protocol with 75 specimens we detected M. tuberculosis DNA in all of the samples, whereas only 48 and 71 samples were positive by acid-fast staining and culture, respectively.

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References

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