M. abscessus and M. chelonae sequevar I share an identical sequence in the 54-510 region of 16S rRNA, though both species can be differentiated by their hsp65, ITS or rpoB gene sequences.
Mycobacterium tuberculosis | Mycobacterium smegmatis | Mycobacterium leprae | Mycobacterium ulcerans | Mycobacterium kansasii | Mycobacterium bovis | ''Mycobacterium avium'' complex |