RpoB

Xpert MTB/RIF Ultra: Introduction, Principle, Procedure, Result-Interpretation, Uses, and Keynotes

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GeneXpert Dx System software interface displaying a completed diagnostic result for an Xpert MTB-RIF Ultra assay

Introduction Xpert MTB/RIF Ultra is an automated diagnostic test designed for the rapid and simultaneous detection of Mycobacterium tuberculosis (MTB) and resistance to rifampin (RIF). It is a second-generation assay developed by Cepheid to provide significantly higher sensitivity than the original Xpert MTB/RIF, particularly for …

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Line Probe Assay (LPA) for Tuberculosis -Introduction, Principle, Test Requirements, Procedure, Result-Interpretation, and Keynotes

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Introduction The Line Probe Assay (LPA) is a rapid molecular diagnostic test used to detect Mycobacterium tuberculosis complex (MTBC) and its resistance to anti-tuberculosis drugs. It identifies specific mutations in the genes associated with drug resistance by hybridizing amplified DNA onto membrane strips.  The LPA is a …

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