Multiple Mycobacterium tuberculosis Strains in Early Cultures from Patients in a High-Incidence Community Setting

Author:

Richardson Madalene1,Carroll Nora M.1,Engelke Erica1,van der Spuy Gian D.1,Salker Faeeza2,Munch Zahn2,Gie Robert P.2,Warren Robin M.1,Beyers Nulda2,van Helden Paul D.1

Affiliation:

1. MRC Centre for Molecular and Cellular Biology, Department of Medical Biochemistry

2. Department of Paediatrics and Child Health, Faculty of Health Sciences, Stellenbosch University, Tygerberg, South Africa

Abstract

ABSTRACT In an ongoing molecular epidemiology study, human immunodeficiency virus-negative patients with first-time pulmonary tuberculosis from a high-incidence community were enrolled. Mycobacterium tuberculosis strains were identified by restriction fragment length polymorphism analysis with two fingerprinting probes. Of 131 patients, 3 (2.3%) were shown to have a mixture of strains in one or two of their serial cultures. This study further investigated these cases with disease caused by multiple M. tuberculosis strains in the context of the molecular epidemiology of the study setting.

Publisher

American Society for Microbiology

Subject

Microbiology (medical)

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