TABLE 1.
Comparison of gene sequencing methods and GenoType NTM-DR for the identification of 173 Mycobacterium avium complex species
| No. of strains | Gene sequencing result |
GenoType NTM-DR result |
||
|---|---|---|---|---|
| 16S rRNA | 16S-23S ITS | Band patternsa | Identification | |
| 29 | M. avium | M. avium | CC, UC, SP1 | M. avium |
| 49 | M. intracellulare | M. intracellulare | CC, UC, SP2 | M. intracellulare |
| 79 | M. chimaera | M. chimaera | CC, UC, SP2, SP3 | M. chimaera |
| 2 | MACb | M. arosiense | CC, UC, SP2 | M. intracellulare |
| 3 | MAC | M. timonense | CC, UC, SP2 | M. intracellulare |
| 5 | MAC | M. bouchdurhonense | CC, UC, SP2 | M. intracellulare |
| 6 | MAC | M. marseillense | CC, UC, SP2 | M. intracellulare |
a
A faint band was produced in the universal control for all the isolates tested, and only bands with intensities stronger than the universal control were considered. CC, conjugate control probe; UC, universal control probe; SP1 to SP3, species-specific probes.
b
MAC, Mycobacterium avium complex.