KatG 315 mutation as a molecular determinant for Isoniazid resistance in Mycobacterium tuberculosis
DOI:
https://doi.org/10.51200/bjms.v11i2.602Keywords:
KatG 315 mutation, molecular determinant, isoniazid resistance, Mycobacterium tuberculosisAbstract
Emergence of multidrug resistant multiple drug resistant tuberculosis (MDR-TB) and extensively drug resistant tuberculosis (XDR-TB) is one of the reasons why Tuberculosis (TB) continues to cause great mortality and morbidity in less-developed countries. The development of rapid diagnostic methods targeting genetic mutations associated with resistance to the anti-tuberculous drugs is essential to fight this deadly pathogen. Isoniazid (INH) has been included in the multidrug regimens for the treatment of drug-susceptible TB for the decades. In the world wide setting, isoniazid resistance was highly prevalent and was observed in one of every seven TB cases. Because katG315 mutation is highly prevalent, the common mutation in the enzyme essential for the activation of the INH concerned with the mechanism of drug resistance and associated with high level resistance to INH, katG315 mutation was necessary to be identified by molecular method as a molecular determinant of INH resistant M. tuberculosis. The prevalence of katG315 mutation in various countries was discussed in this report and a new molecular method for the detection of the mutation was proposed.
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Borneo Journal of Medical Sciences
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