Table 5.
Frequency of mutations in genes associated with resistance to chloroquine and sulfadoxine-pyrimethamine in Plasmodium falciparum from asymptomatic infections from lowland and highland sites of Western Kenya.
Lowland | Highland | |||||
---|---|---|---|---|---|---|
Gene | Mutation | Polymorphism | Chemelil | Miwani | Kisian | Iguhu06 |
pfcrt | K76T | Mutant | 0.76 | 0.65 | 0.50 | 0.78 |
Mixed | 0.12 | 0.20 | 0.39 | 0.06 | ||
Wild-type | 0.12 | 0.15 | 0.11 | 0.16 | ||
pfmdr1 | N86Y | Mutant | 0.37 | 0.47 | 0.26 | 0.24 |
Mixed | 0.37 | 0.45 | 0.55 | 0.46 | ||
Wild-type | 0.26 | 0.08 | 0.19 | 0.30 | ||
Y184F | Mutant | 0 | 0 | 0 | 0.00 | |
Mixed | 0.71 | 0.72 | 0.55 | 0.70 | ||
Wild-type | 0.29 | 0.28 | 0.45 | 0.30 | ||
N1042D | Mutant | 0 | 0 | 0 | 0 | |
Mixed | 0 | 0 | 0 | 0 | ||
Wild-type | 100 | 1.00 | 100 | 100 | ||
D1246Y | Mutant | 0.58 | 0.42 | 0.12 | 0.54 | |
Mixed | 0.38 | 0.48 | 0.82 | 0.37 | ||
Wild-type | 0.04 | 0.10 | 0.06 | 0.09 | ||
pfdhfr | N51I | Mutant | 0.86 | 0.75 | 0.90 | 1.00 |
Mixed | 0.07 | 0.22 | 0.07 | 0 | ||
Wild-type | 0.07 | 0.03 | 0.03 | 0 | ||
C59R | Mutant | 0.86 | 0.67 | 0.69 | 0 | |
Mixed | 0.07 | 0.33 | 0.16 | 1.00 | ||
Wild-type | 0.07 | 0 | 0.15 | 0 | ||
S108N | Mutant | 1.00 | 1.00 | 1.00 | 1.00 | |
Mixed | 0 | 0 | 0 | 0 | ||
Wild-type | 0 | 0 | 0 | 0 | ||
pfdhps | A437G | Mutant | 0.04 | 0.09 | 0.84 | 0.73 |
Mixed | 0.96 | 0.85 | 0.03 | 0.10 | ||
Wild-type | 0 | 0.06 | 0.13 | 0.17 | ||
K540E | Mutant | 0.43 | 0.75 | 0.07 | 0.36 | |
Mixed | 0.36 | 0.17 | 0.72 | 0.36 | ||
Wild-type | 0.21 | 0.08 | 0.21 | 0.28 |