Table 2.
The result of soil samples detected by Xpert MTB/RIF Ultra PCR assay
| Samples | Origin | Identification | Cycle threshold (Ct) |
Rifampicin | |||
|---|---|---|---|---|---|---|---|
| rpoB1 | rpoB2 | rpoB3 | rpoB4 | ||||
| Negative sample 1 | Niamey | M. tuberculosis not detected | 0 | 0 | 0 | 0 | Not Applicable |
| Negative sample 2 | Niamey | M. tuberculosis not detected | 0 | 0 | 0 | 0 | Not Applicable |
| Negative sample 3 | Niamey | M. tuberculosis not detected | 0 | 0 | 0 | 0 | Not Applicable |
| Negative sample 4 | Niamey | M. tuberculosis not detected | 0 | 0 | 0 | 0 | Not Applicable |
| Sample DO5 | Dosso | M. tuberculosis detected | 32.9 | 31 | 33.8 | 37.4 | Susceptible |
| Sample ZD5 | Zinder | M. tuberculosis detected | 33.9 | 33 | 35.8 | 39.2 | Susceptible |
| Sample NY20 | Niamey | M. tuberculosis detected | 30.4 | 29.1 | 31.7 | 35.3 | Susceptible |
| Sample NY36 | Niamey | M. tuberculosis detected | 28.5 | 28.1 | 30.1 | 31.5 | Susceptible |
| Sample NY52 | Niamey | M. tuberculosis detected | 29.7 | 29 | 31.5 | 35 | Susceptible |