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Drug-resistant mechanisms in mycobacteria. (1) The hydrophobic cell wall of mycobacteria "mycomembrane"; (2) Dormancy; (3) Target modification; (4) Modification of antibiotics; (5) Expression of efflux pumps.

Drug-resistant mechanisms in mycobacteria. (1) The hydrophobic cell wall of mycobacteria "mycomembrane"; (2) Dormancy; (3) Target modification; (4) Modification of antibiotics; (5) Expression of efflux pumps.

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Mycobacteria, including nontuberculous mycobacteria (NTM) and Mycobacterium tuberculosis complex (MTB), are global pathogens of major concern due to their intrinsic drug resistance and their capacity to cause a wide range of severe infections. The treatment of mycobacterial infections is particularly challenging because of the multidrug resistance....

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... development of these mutations generates high levels of drug resistance [9]. In addition, the modification of antibiotics by mycobacteria results in the modified molecule not binding to its target (Figure 1) [7]. ...