Mycobacterium tuberculosis (MTB) infection remains a serious infectious disease worldwide, causing 8.8 million new infections and 1.45 million deaths in 2010. The emergence of drug-resistant strains of MTB poses a significant threat to the control of the disease globally. Multidrugresistant MTB (MDR-TB), defined as being resistant to at least rifampicin (RMP) and isoniazid (INH), and extensivel…