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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Analytical performance of the roche Lightcycler® Mycobacterium detection kit for the diagnosis of clinically important mycobacterial species
PLoS ONE, Volume 6, No. 9, Article e24789, Year 2011
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Description
Background: The LightCycler® Mycobacterium Detection Kit based on real-time PCR technology for the detection of Mycobacterium tuberculosis, Mycobacterium avium and Mycobacterium kansasii was recently developed. This study evaluated its analytical sensitivity, specificity and reproducibility. Methodology/Principal Findings: Plasmid standards were prepared and used to determine the limit of detection. The assay was also performed against organisms other than mycobacteria, other mycobacterial strains and interfering substances to exclude cross-reactivity and interference. Reference standards were prepared and tested to assess the assay's reproducibility. All PCR assays were performed using the LightCycler® 2.0 Instrument. The detection limit for M. tuberculosis was 28 copies per microlitre. Neither cross-reactivity nor interference occurred with non-mycobacterial organisms and substances tested. Overall reproducibility for consecutive measurements, run-to-run, lot-to-lot, day-to-day and laboratory-to-laboratory achieved a coefficient of variance of less than two percent. Significance: The LightCycler® Mycobacterium Detection kit has shown to be a robust and accurate assay with the potential to be used as a rapid TB diagnostic test. © 2011 Omar et al.
Authors & Co-Authors
Omar, Shaheed Vally
South Africa, Pretoria
University of Pretoria
Roth, A.
Germany, Berlin
Helios-klinikum E.v.behring
Ismail, Nazir Ahmed
South Africa, Pretoria
University of Pretoria
Erasmus, Linda Kathleen
South Africa, Johannesburg
National Institute for Communicable Diseases
Ehlers, Marthie Magdaleen
South Africa, Pretoria
University of Pretoria
Kock, Marleen Magdalena
South Africa, Pretoria
University of Pretoria
Paulse, Nuraan
South Africa, Johannesburg
National Health Laboratory Service
Said, Halima M.
South Africa, Pretoria
University of Pretoria
Hoosen, Anwar Ahmed
South Africa, Pretoria
University of Pretoria
Reischl, Udo
Germany, Regensburg
Klinikum Der Universität Regensburg Und Medizinische Fakultät
Statistics
Citations: 14
Authors: 10
Affiliations: 5
Identifiers
Doi:
10.1371/journal.pone.0024789
e-ISSN:
19326203
Research Areas
Infectious Diseases