Table 1.
Strains used in this study: mycobacterial isolates, their resistant derivatives selected after exposure to the indicated disinfectants and revertants obtained by restreaking the resistant strains on medium without disinfectant
| Strain | Origin |
|---|---|
| M. massiliense WT 1.0 | M. massiliense clinical isolate LTE3550 |
| M. massiliense 1.2 | M. massiliense WT 1.0 selected in 9% CTAB |
| M. abscessus WT 2.0 | M. abscessus clinical isolate LTE3514 |
| M. abscessus 2.1 | M. abscessus WT 2.0 selected in 9% CTAB |
| M. abscessus 2.1.3 | M. abscessus 2.1 restreaked 3 times |
| M. abscessus 2.1.6 | M. abscessus 2.1 restreaked 6 times |
| M. abscessus 2.2 | M. abscessus WT 2.0 selected in 9% DBLAB |
| M. abscessus 2.2.3 | M. abscessus 2.2 restreaked 3 times |
| M. abscessus 2.2.6 | M. abscessus 2.2 restreaked 6 times |
| M. abscessus 2.3 | M. abscessus WT 2.0 selected in glutaraldehyde 2% for 5 min |
| M. abscessus 2.3.3 | M. abscessus 2.3 restreaked 3 times |
| M. abscessus 2.3.6 | M. abscessus 2.3 restreaked 6 times |
| M. fortuitum WT 1.0 | M. fortuitum clinical isolate LTE1428 |
| M. fortuitum 1.2 | M. fortuitum WT 1.0 selected in 9% DBLAB |
| M. chelonae WT 2.0 | M. chelonae clinical isolate LTE2714 |
| M. chelonae 2.1 | M. chelonae WT 2.0 selected in 9% CTAB |
| M. chelonae 2.2 | M. chelonae WT 2.0 selected in 9% DBLAB |
| M. fortuitum WT 3.0 | M. fortuitum environmental isolate LTE2297 |
| M. fortuitum 3.2 | M. fortuitum WT 3.0 selected in 9% DBLAB |
| M. terrae | ATCC 15755 |
| M. smegmatis mc2155 | laboratory strain (Laboratorio de Genética Molecular, IVIC) |
| M. bovis BCG | laboratory strain (Laboratorio de Genética Molecular, IVIC) |