alexa Laboratory diagnostic aspects of drug resistant tuberculosis.
Microbiology

Microbiology

Journal of Microbial & Biochemical Technology

Author(s): Parsons LM, Somoskvi A, Urbanczik R, Salfinger M

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Abstract Multi-drug resistant strains of Mycobacterium tuberculosis (MDR-TB) are present world wide, and in many areas constitute a serious threat to the efficacy of TB control programs. The most effective strategies to limit further spread of MDR-TB are rapid detection of drug resistance followed by prompt and effective therapy. Routine laboratory diagnosis of drug resistance in TB requires a viable, pure culture of M. tuberculosis. Use of liquid media has decreased the turn around time for susceptibility test results however, because of the slow growth of M. tuberculosis these assays can still take 10 to 14 days. Alternatively, an increased understanding of the molecular basis for resistance to the antituberculosis drugs can greatly contribute to further decreasing turn around time. Based on this information, more precise and rapid molecular testing can be developed and lead to more appropriate and timely treatment regimens. In this review, we discuss methods for, and problems encountered in, performing TB drug susceptibility assays. Descriptions of routine protocols will be followed by recent developments in molecular detection of drug resistance.
This article was published in Front Biosci and referenced in Journal of Microbial & Biochemical Technology

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