Skip to main content

Table 2 Protocol for MGIT-DST for PZA R-Mtb with Exo-MS alone and in combination with PZA

From: Preliminary evaluation of anti-tuberculosis potential of siderophores against drug-resistant Mycobacterium tuberculosis by mycobacteria growth indicator tube-drug sensitivity test

No

Drug

Initial Concentration of the drug preparation

Volume added to MGIT for Test

Final Concentration in MGIT tube except GC

No. of PZA tubes

GC

PZA R

1

PZA

8 mg/mL

100 μL

0.1 mg/mL

1

1

2

Exo-MS + PZA

19 mg/mL + 8 mg/mL

50 μL + 100 μL

0.125 mg/mL and 0.1 mg/mL

 

1

3

Exo-MS + PZA

19 mg/mL + 8 mg/mL

100 μL + 100 μL

0.25 mg/mL and 0.1 mg/mL

 

1

4

Exo-MS + PZA

19 mg/mL + 8 mg/mL

200 μL + 100 μL

0.5 mg/mL and 0.1 mg/mL

 

1

5

Exo-MS

19 mg/mL

50 μL

0.125 mg/mL and 0.1 mg/mL

1

1

6

Exo-MS

19 mg/mL

100 μL

0.25 mg/mL

 

1

7

Exo-MS

19 mg/mL

200 μL

0.5 mg/mL

 

1

8

Exo-MS+ FeCl3

19 mg/mL + 80 mg/mL

200 μL + 50 μL

0.5 mg/mL and 0.5 mg/mL

 

1