Table 3.
Genetic characteristics of M. tuberculosis FQ-sensitive and -resistant strains
| Clustera | VNTR profile | No. of MDR strains |
|
|---|---|---|---|
| FQ sensitive (n = 19) | FQ resistant (n = 32) | ||
| Cluster 1 | 223325153533424448443(12)726296 | 9 | 16 |
| Cluster 2 | 223325173533424446443(14)227296 | 4 | 7 |
| Cluster 3 | 223325153533424448443(14)728296 | 1 | 2 |
| Cluster 4 | 223325173533424446443(14)722296 | 1 | 1 |
| Unique profile | 4 | 6 | |
a
Cluster genotype as determined by the VNTR typing using the following loci: MIRU 2, 4, 10, 16, 20, 23, 24, 26, 27, 31, 39, and 40; ETR-A; ETR-B; ETR-C; and VNTR 424, 1955, 1982, 2347, 2401, 3171, 3232, 3336, 3690, 4052, 4156, 2163A, and 2163B.