Table 3.
Drug susceptibility results and genotypic characterization of the 10 M. tuberculosis isolates with a nonsynonymous pncA mutation from 2007
Age of patient (yrs) | Sex of patient (M/F) | Characteristic of isolate |
||||
---|---|---|---|---|---|---|
VNTR type | Pyrazinamide susceptibilityc | Resistance to other drugsd |
pncA mutation |
|||
Nucleotide change | Amino acid change | |||||
34 | F | 9001812 | S | H, RFB, E, SPT | G to A at 82 | Ala28Thr |
42 | F | 9001951 | S | C to T at 127 | His43Tyr | |
29 | M | 9002014 | S | H, RFB, E, SPT | C to G at 147 | Asp49Glu |
46 | F | 9000148 | S | G to A at 371 | Gly124Asp | |
—a | —a | 9001879 | R | Unknowna | C to G at 102 | Frame shift |
48b | F | 9002249 | R | H, RFB, E, SPT | A to C at 226 | Thr76Pro |
48b | F | 9002249 | R | H, RFB, E, SPT | A to C at 226 | Thr76Pro |
31 | F | 9002426 | R | H, RFB, E, SPT | C to T at 169 | His57Tyr |
48b | F | 9002249 | R | H, RFB, E, SPT | A to C at 226 | Thr76Pro |
48b | F | 9002249 | R | H, RFB, E, SPT | A to C at 226 | Thr76Pro |
—, anonymous research isolate from foreign TB reference center.
Different isolates from the same patient.
S, susceptible; R, resistant.
Drug names: H, isoniazid; RFB, rifampin; E, ethambutol; SPT, streptomycin.