Which of the following is the molecular target for most epidemiological investigations of Mycobacterium tuberculosis?

Question

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IS6110 is a repeated insertion sequence found in high copy number in the genome of M. tuberculosis, making it a useful molecular target for epidemiological investigations such as genotyping and tracking outbreaks. KatG and inhA are genes involved in the mechanisms of action of the tuberculosis drugs isoniazid and ethionamide, respectively. IS481 is found in other bacterial species, but not in M. tuberculosis.

Which of the Following Is the Molecular Target for Most