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Table 2 Number (N) and prevalence (%) of pure/mixed pfcrt , pfmdr1 , pfdhfr and pfdhps mutant alleles conferring resistance to chloroquine and sulphadoxine-pyrimethamine in Plasmodium falciparum isolates from Pakistan

From: A comprehensive survey of polymorphisms conferring anti-malarial resistance in Plasmodium falciparum across Pakistan

  

Pure

Mixed

Gene

Allele or haplotype

N (%)

N (%)

pfcrt

SVMNT/ K76T

171 (100)

0 (0)

pfmdr1

N86Y

6 (4)

28 (16)

 

Y184F

0 (0)

43 (25)

 

S1034C

0 (0)

0 (0)

 

N1042D

0 (0)

165 (96)

 

D1246Y

0 (0)

0 (0)

pfdhfr

pfdhfr triple (N51I + C59R + S108N)

0 (0)

7 (4)

 

pfdhfr double (N51I + S108N)

11 (6)

3 (2)

 

pfdhfr double (C59R + S108N)

148 (87)

9 (5)

pfdhps

pfdhps double (A437G + K540E)

4 (2)

77 (45)

 

pfdhps A437G

103 (60)

3 (2)

 

pfdhps K540E

6 (4)

131 (77)

 

pfdhps A581G

5 (3)

66 (39)

pfdhfr + pfdhps

pfdhfr + pfdhps (C59R + S108N + A437G)

88 (51)

6 (4)