RT Book, Section A1 Holland, Steven M. A2 Jameson, J. Larry A2 Fauci, Anthony S. A2 Kasper, Dennis L. A2 Hauser, Stephen L. A2 Longo, Dan L. A2 Loscalzo, Joseph SR Print(0) ID 1155968456 T1 Nontuberculous Mycobacterial Infections T2 Harrison's Principles of Internal Medicine, 20e YR 2018 FD 2018 PB McGraw-Hill Education PP New York, NY SN 9781259644016 LK accessmedicine.mhmedical.com/content.aspx?aid=1155968456 RD 2024/04/24 AB Several terms—nontuberculous mycobacteria (NTM), atypical mycobacteria, mycobacteria other than tuberculosis, and environmental mycobacteria—all refer to mycobacteria other than Mycobacterium tuberculosis, its close relatives (M. bovis, M. caprae, M. africanum, M. pinnipedii, M. canetti), and M. leprae. The number of identified species of NTM is growing and will continue to do so because of the use of DNA sequence typing for speciation. The number of known species currently exceeds 170. NTM are highly adaptable and can inhabit hostile environments, including industrial solvents.