IDENTIFICATION GENE MUTATIONS RPOB CAUSE OF MULTIDRUG RESISTANCE TUBERCULOSIS IN HAJI ADAM MALIK HOSPITAL
DOI:
https://doi.org/10.22159/ajpcr.2018.v11s1.26595Keywords:
Multidrug resistance tuberculosis, Mutations, Gene rpoB, Polymerase chain reactionAbstract
Objective: The study aimed to investigate gene mutations in Mycobacterium tuberculosis causing resistance to rifampicin (RIF) in multidrug resistance TB patients in Haji Adam Malik Hospital and determined the suitability of the general pattern of mutations that occur in patients with multidrug-resistant TB (MDR-TB) in the hospital with global mutation pattern.
Methods: This observational study was performed prospectively in 31 patients with MDR-TB who had data medical record results of GeneXpert MTB/ RIF positive for resistant to RIF period August–November 2016 in the hospital by taking sputum from patients. DNA extracted from sputum and then purified to be detected using polymerase chain reaction (PCR). PCR products were examined by electrophoresis.
Results: The highest percentage of 81 bp rpoB gene mutation MTB is called as RIF -resistance determining region which was located at codon 516 (100%) and then was followed by mutation at codon 531 (96.77%) and codon 526 (90.32%), respectively, while the smallest percentage of mutation (12.90%) MTB at codon was 533.
Conclusion: The rpoB gene shows a positive mutation-causing resistance to RIF.
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