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Table 1 Summary of alleles observed in Pfdhfr and Pfdhps genes

From: Low prevalence of highly sulfadoxine‐resistant dihydropteroate synthase alleles in Plasmodium falciparum isolates in Benin

Pfdhfr

Klouékanmey

n = 79 (%)

Djougou

n = 90 (%)

Overall

n = 169 (%)

C50

79 (100)

90 (100)

169 (100)

50R

0

0

0

50 C/R

0

0

0

N51

3 (3.8)

13 (14.4)

16 (9.5)

51I

72 (91.1)

74 (82.3)

146 (86.4)

51 N/I

4 (5.1)

3 (3.3)

7 (4.1)

C59

1 (1.3)

5 (5.6)

6 (3.6)

59R

72 (91.1)

80 (88.8)

152 (89.9)

59 C/R

6 (7.6)

5 (5.6)

11 (6.5)

S108

0

5 (5.6)

5 (3.0)

108 N

78 (98.7)

82 (91.1)

160 (94.7)

108S/N

1 (1.3)

3 (3.3)

4 (2.4)

I164

79 (100)

90 (100)

169 (100)

164L

0

0

0

164I/L

0

0

0

Pfdhps

Klouékanmey

n = 68 (%)

Djougou

n = 85 (%)

Overall

n = 153 (%)

I431

65 (95.6)

82 (96.4)

147 (96.1)

431V

3 (4.4)

1 (1.2)

4 (2.6)

431I/V

0

2 (2.4)

2 (1.3)

S436

41 (60.2)

40 (47.1)

81 (52.9)

436A

22 (32.4)

32 (37.6)

54 (35.3)

436S/A

5 (7.4)

13 (15.3)

18 (11.8)

A437

0

4 (4.7)

4 (2.6)

437G

68 (100)

77 (90.6)

145 (94.8)

437A/G

0

4 (4.7)

4 (2.6)

K540

66 (97.0)

83 (97.6)

149 (97.4)

540E

1 (1.5)

1 (1.2)

2 (1.3)

540K/E

1 (1.5)

1 (1.2)

2 (1.3)

A581

65 (95.6)

84 (98.8)

149 (97.4)

581G

3 (4.4)

1 (1.2)

4 (2.6)

581A/G

0

0

0

A613

65 (95.6)

81 (95.3)

146 (95.4)

613S

3 (4.4)

3 (3.5)

6 (3.9)

613A/S

0

1 (1.2)

1 (0.7)

  1. Bold letters denote mutant alleles